UT-206 is a converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and surge protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts DB9 male as connector.  This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-206 optoelectronic isolated converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS-422 or RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status. 

UT-208 is a converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts DB9 male as connector.  This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-208 optoelectronic isolated converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 128 sets RS-422 or RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status. 

UT-209 is a repeater with optoelectronic isolation. It complies with RS-422 and RS-485 standards; it extends the communication distance of RS-422/RS-485 BUS networking, increases the quantity of RS-422/RS-485 networking devices. The built-in optoelectronic isolator and DC/DC isolated module can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-422/RS-485 adopts terminal block as input and output.  This repeater is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. UT-209 optoelectronic isolated repeater provides connection for point to point, point to multipoint communication. For point to multipoint mode, each repeater is allowed to connect 128 sets RS-422 or RS-485 devices with baudrate 300-115.2Kbps. The power and data flow indicators indicate the working status.

To carry out the digital communication between external devices or intelligent instruments with different standard serial interfaces, standardize the serial conversion is necessary. Rs 232 to TTL converter(UT-210) converts data (TXD, RXD) of RS-232C to TTL/COM; the TTL electrical level is 0-5V, without external power supply. It adopts unique "RS-232 charge pump" technology to drive the system and gains power without initializing the RS-232 serial port. As rs232 to TTL adapter, this converter has an automatic transmission and reception conversion within no delay, and a unique I/O circuit auto control data flow direction. With these, we don't need any handshake signal (RTS, DTR). And rs 232c converter can run smoothly and is compatible with current software and hardware under TTL mode, without modifying the programming under RS-232 full-duplex mode. The baud rate is 300-115.2Kbps.

UT-211 is a RS-232 serial port optoelectronic isolator. It adopts advanced optoelectronic isolation technology, maximally protects RS-232 serial interface devices from bad environment damage, such as ground loop circuit voltage, surge, lightning, ESD, hot-plug and electromagnetic interference, etc. The damage of RS-232 port is related to communication hardware. The reasons 90% are converged on above mentioned. For example, device A connects device B with RS-232 port, if the voltage difference of ground line between A and B is up to 50V (usually up to 80V), RS-232 port will not working normal; the isolated voltage of RS-232 port will reach 2,500Vrms instantly, together with 500VDC continuous peak voltage difference; it also absorbs in ESD and electromagnetic interference, so as to protect RS-232 port. The optoelectronic isolation technology is fully isolating the electrical devices and ground loop circuit on both ends; it converts the electrical signal to optic signal, then transmits the signal to another end, finally converts it back to electrical signal. This protects the communication device from ground loop circuit and surge interference, which greatly improve the reliability and stability of the communication system. UT-211 gets widely application in point to point RS-232 communication system, UNIX multi-user system, monitoring system, and ATM for power, insurance, telecommunications, railway, post office, finance, banking, securities and program control, etc. 

UT-212 RS-232 extender with optoelectronic isolation allows extending the communication distance between 2 sets of asynchronous RS-232 communication devices to 12km.  The optoelectronic isolation technology fully isolated the loop circuit between electric part and ground wire; this protects the communication devices from interference of power and ground loop circuit, surge. It changes the single port transmission into dual wire balance transmission, which increase the communication distance.  UT-212 is in mini size, there are no special requirement on the wire, and no need for external power; it is convenient to use.  UT-212 is widely used in point to point RS-232 communication, the connection between multi users terminal and host, RS-232 long distance control system, SPC exchange billing terminal, satellite receiver. 

UT-215 is a RS-232 serial port optoelectronic isolator. It adopts advanced optoelectronic isolation technology, maximally protects RS-232 serial interface devices from bad environment damage, such as ground loop circuit voltage, surge, lightning, ESD, hot-plug and electromagnetic interference, etc. The damage of RS-232 port is related to communication hardware. The reasons 90% are converged on above mentioned. For example, device A connects device B with RS-232 port, if the voltage difference of ground line between A and B is up to 50V (usually up to 80V), RS-232 port will not working normal; the isolated voltage of RS-232 port will reach 2,500Vrms instantly, together with 500VDC continuous peak voltage difference; it also absorbs in ESD and electromagnetic interference, so as to protect RS-232 port. The optoelectronic isolation technology is fully isolating the electrical devices and ground loop circuit on both ends; it converts the electrical signal to optic signal, then transmits the signal to another end, finally converts it back to electrical signal. This protects the communication device from ground loop circuit and surge interference, which greatly improve the reliability and stability of the communication system. UT-215 gets widely application in point to point RS-232 communication system, UNIX multi-user system, monitoring system, and ATM for power, insurance, telecommunications, railway, post office, finance, banking, securities and program control, etc.

    UT-216 complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning protection, and surge voltage, instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts DB9 male as connector. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232.     UT-216 converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS-422 or RS-485 device with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status. Standards: RS-232C, RS-485/RS-422 TIA/EIA Connector: RS-232 DB9 female input, RS-422/RS485 DB9 male output, RJ-45 Protection: RS-422/RS-485 each line 600W surge , lightning protection Working mode: asynchronous half-duplex or full-duplex LEDs for indicating PWR TXD, and RXD activity Transmission media: twisted-pair or shielded cable Transmission distance: 115.2Kbps to 300m                                              38.4Kbps to 600m                                              9600bps to 1.2Km                 Dimension:97×65×22mm Operating temperature: -25℃ to 70℃ Relative humidity: 5% to 95%

UT-218 is a converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 1,500W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts RJ-45 and DB9 male as connector.  This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-218 optoelectronic isolated converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 128 sets RS-422 or RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status.

UT-501 is an industrial port-powered converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts 10 bits terminal block as output.  This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-501 optoelectronic isolated port-powered converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS-422 or RS-485 devices with baudrate 300-115.2Kbps. The power and data flow indicators indicate the working status.

UT-502 is an industrial level converter with optoelectronic isolation. It complies with RS-232C and RS-485 standards; it converts single side RS-232 signal to two balanced differential RS-422 or RS-485 signals. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect two RS-422/RS-485 interfaces; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-485 adopts 10 bits terminal block as connector.  This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-502 optoelectronic isolated industrial converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 128 sets RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status. 

UT-503 is an industrial converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage, instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-232 connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts 10 bits terminal block as output. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-503 industrial optoelectronic isolated converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 128 sets RS-422 or RS-485 device with baudrate 300-115.2Kbps. The power and data flow indicators indicate the working status.

UT-509 is a repeater with optoelectronic isolation. It complies with RS-422 and RS-485 standards; it extends the communication distance of RS-422/RS-485 BUS networking, increases the quantity of RS-422/RS-485 networking devices. The built-in optoelectronic isolator and DC/DC isolated module can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. Both RS-485 input & output adopt terminal block connector. This repeater is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. UT-509 optoelectronic isolated repeater provides connection for point to point, point to multipoint communication. For point to multipoint mode, each repeater is allowed to connect 128 sets RS-422 or RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status.

UT-520 is a repeater with isolation that complies with RS-485 standards. It can extend the RS-485 BUS network communication distance, and increase the RS-485 network device qty. The built-in optoelectronic isolator and DC/DC isolated module can provide as high as 2,500Vrms isolated voltage; the fast instant voltage restraint is designed to protect RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint. Normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-485 ports. Both RS-485 input & output adopt terminal block connector. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for half duplex (RS-485) mode, plug & play. UT-520 optoelectronic isolated repeater provides connection for point to point, point to multipoint communication. For point to multipoint mode, each repeater is allowed to connect 128 sets of RS-485 devices with baud rate 300-115.2Kbps. The power and data flow indicators indicate the working status. 

UT-807 is a 7-port industrial USB2.0 hub that can expand 1 USB port to 7 USB ports. This hub supports true USB 2.0 high speed with transmission rates up to 480Mbps per USB port, and this hub complies with the USB Plug and Play specification. Each port provides 500mA output capability. Each port comes with static protection to ensure the reliability of this device. Standard: Comply with USB V1.0, V1.1, V2.0 standard USB signal: VCC, DATA+,DATA-,GND Signal rate: 1.5Mbps, 12Mbps, 480Mbps Transmission distance: USB port no more than 5m USB static protection: contact±8KV Interface form: power using 5.08-3Pin terminal, USB upstream using USB-B type connection meter, USB downstream using USB-A type interface Working voltage and current: DC12~48V (own power consumption is less than 1W) Support Win98/Win2000/WinXP/Vista/Win7/8/8.1/10/Linux etc.

UT-860 is a port-powered universal USB/RS-232 converter; there is no need external power. It complies with USB and RS-232 standards; it converts single side USB signal to UART RS-232 signal. RS-232 port adopts DB9 male as connector. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction, plug & play. It is compatible with current communication software and hardware. UT-860 converter provides connection for point to point communication, with baudrate 300-921.6Kbps. The power and data flow indicators indicate the working status.

As the PC industry growing, USB port is replacing most of the low speed external ports. In industrial environment, lots of important equipments are stilling adopts RS-232 interface design. With this, most of the users use USB to RS-232 converter to transmit the data between PC and RS-232 equipments. UT-880 is a universal USB to RS-232 converter. There is no need external power; it is compatible with USB and RS-232 standards. UT-880 enables to convert USB signal to RS-232 signal; internal zero delay auto receiving and transmitting function, unique I/O circuit auto control data flow direction, plug & play, all these ensure that it is compatible with all the communication software and interface hardware. UT-880 interface converter supports baudrate 300-460800bps; the power and data flow indicators show the status of the communication. 

UT-882 converter allows you to build reliable connection by converting RS-232 to USB. The design makes you convenient to connect your cell phone, digital camera, ISDN-TA, Modem with 1Mbps transmission rate.   UT-882 USB to RS-232 converter provides reliable connection for point to point communication, with baud rate 300-460,800bps. The power and data flow indicators indicate the working status.

As the development of PC, USB port starts to replace most of the low speed external ports from old PC. In industrial field, most of the devices or equipments are still using RS-232 interface. In this situation, we need to use USB to RS-232 converter to complete the data transmission between PC and RS-232 equipment.    UT-883 is a universal USB/RS-232 converter without external power. It complies with USB, RS-232 standards; it converts single side USB signal to RS-232. This converter is with built-in zero delay auto receiving & transmitting conversion and unique I/O circuit auto control data flow direction, plug & play. It is compatible with current communication software and hardware.UT-883 converter provides connection for point to point communication. The baud rate can be 300-115.2Kbps.

UT-885 is a universal USB to RS-485/422 converter, there is no need of external power supply. It complies with USB, RS422, and RS-485 standards; it converts USB signal to a balanced differential RS-422 or RS-485 signal. The built-in fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning, ESD protection, and surge voltage, instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-485/422 adopts terminal block as connector. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware. UT-885 converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS-422 or RS-485 device with baud rate 300-921.6Kbps. The power and data flow indicators indicate the working status.

 UT-1128 is a RS-485 BUS hub with built-in dual core, and non-stop working design. It is special design for RS-485 system under complicated electromagnetic field. The transmission rate can be as high as 115.2Kbps. To ensure the data communication safety and reliability, it adopts optoelectronic isolation technology , and provides with lightning and surge protection on RS-485 ports; the built-in optoelectronic isolator and 1,500W surge protection circuit provide 2,500V isolated voltage, this prevent the devices from lightning and ESD, and ground interference. With external power, UT -1128 is quite safe for outdoor projects. Under RS-485 working mode, the circuit can distinguish the data flow direction, and switch it automatically to control the circuit; this easily solves the transmission delay issue. The transmission distance is over 1,200m. UT-1128 is a high performance converter, which is widely used in highway toll collection system, road monitoring system, and power collection system. UT-1128 provides RS-485 BUS connection, each port supports short-circuit and open circuit protection. 2,500V isolated voltage allows user improve the RS-485 BUS structure, divide the network segment easily. When the device under lightning stroke or the device is breakdown, these network segments will be isolated, so as to ensure the other network segments working normally; this improves the RS-485 network reliability, makes the network maintain time shorten. UT -1128 is the best choice for reliable RS-485 system. Standards: RS-232C, RS-485 EIA/TIA Voltage input: DC12-48V 350Ma Transmission media: Twisted pair or shielded cable Working mode: Asynchronous half-duplex Indicators: signal, PWR, TX, RX, E1-E8 Isolation: non-stop isolated voltage 2,500VRMS 500VDC, DC/DC isolated module Transmission rate: 300bps-115.2Kbps Protection:Each wire 15KV ESD protection for RS-232 ports;1,500W lightning and surge protection for RS-485 ports;2,000V lightning and surge protection for power supply Transmission distance: 0-1.2km (115,200-300bps) Dimension: 145x90x40mm Working environment: -40 -85℃, relative humidity5%-95%

UT-1208 is a RS-485 Hub special designed for RS485 system under complicated electromagnetic field. With dual core and non-stop running, the transmission rate can be up to 115.2KBPS. To ensure the safety and reliability of the communication, it adopts optoelectronic isolation technology on RS-485 ports; this provides surge & lightning protection with the converter & device; the internal optoelectronic isolator and 1,500W lightning & surge protection circuit provide with 2,500V isolated voltage to prevent from lightning and ESD. At the same time, it prevents from common-grounded interference. This hub adopts external power; it is quite safe and convenient for outdoor application.Under RS-485 working mode, UT-1208 will detect the data flow direction by distinguishing the circuit automatically; at the same time, it will control the circuit by auto switching, this solves RS485 data receiving and transmitting delay problem. The transmission distance of RS-485 port is up to 1,200m. UT-1208 is widely used in highway toll system, traffic monitoring system and power system.UT-1208 RS-485 HUB provides with star topology RS-485 connection, each port supports short circuit, open-circuit protection. Users can easily change RS-485 BUS structure, and cut the network segment to improve the communication reliability. When lightning or the equipment breaks down, the network segment with problem will be isolated, to make sure the other network segment works regularly. This performance enhances the reliability of RS-485 network, and shortens the network maintenance time. Using UT-1208 RS-485 HUB in a right way will help you create a unique and reliable RS-485 system.

UT-1216 is a RS-485 bus splitting HUB with internal quad-core, non-halt design, designed to address the requirements of RS-485 systems in complex electromagnetic field environments. The product supports transmission rate up to 115.2Kbps. To ensure safe and reliable data communication, the RS-485 interface side adopts opto-isolation technology to prevent lightning surge from being introduced into the converter and equipment. At the same time can effectively prevent lightning strikes and common ground interference, power supply using external switching power supply, safe and reliable, very suitable for outdoor engineering applications. In the RS-485 working mode, the discrimination circuit can automatically sense the direction of the data flow, and automatically switch the enable control circuit to easily solve the RS-485 transceiver conversion delay problem. The transmission distance of the RS-485 interface is greater than 1200 meters, and the performance is stable. It is widely used in highway toll systems, road monitoring systems and power acquisition systems. It is a data interface conversion product with excellent performance. The UT-1216 RS-485 HUB provides a star RS-485 bus connection. Each port has short-circuit and open-circuit protection. Opto-isolated 2500V, users can easily improve the RS-485 bus structure and split the network segments to improve communication reliability. When a lightning strike or equipment failure occurs, the network segment with problem is isolated to ensure the normal operation of the other segments. This performance greatly improves the reliability of existing RS-485 networks and effectively reduces the maintenance time of the network. Proper utilization of the UT-1216 RS-485 HUB can help you design a unique and highly reliable RS-485 system.

UT-1304 is a RS-485/422 Hub special designed for RS485/422 system under complicated electromagnetic field. With built-in micro CPU(non-stop running), the transmission rate can be up to 115.2KBPS. To ensure the safety and reliability of the communication, it adopts optoelectronic isolation technology on RS485/422 ports; this provides surge & lightning protection with the converter and device. The internal optoelectronic isolator and 3,000A lightning & surge protection circuit provide with 2,500V isolated voltage to prevent it from lightning and ESD. At the same time, it prevents from common-grounded interference. This hub adopts external power; it is quite safe & convenient for outdoor application.Under RS-485/422 working mode, UT-1304 will detect the data flow direction by distinguishing the circuit automatically; at the same time, it will control the circuit by automatic switching, this solves RS-485/422 data receiving and transmitting delay problem. The transmission distance of RS-485/422 port is up to 1,200m. UT-1304 is widely used in highway toll system, traffic monitoring system and power system.UT-1304 RS-485/422 HUB provides with star topology RS-485/422 connection, each port supports short circuit, open-circuit protection. Users can easily change RS-485/422 BUS structure, and cut the network segment to improve the communication reliability. When lightning or the equipment breaks down, the network segment with problem will be isolated, to make sure the other network segment works regularly. This performance enhances the reliability of RS-485/422 network, and shortens the network maintenance time. Using UT-1304 RS-485/422 HUB in a right way will help you create a unique and reliable RS-485/422 system.

UT-2016 is a converter with optoelectronic isolation, complying with RS-232C, RS422, and RS-485 standards; it is the rs232 to rs422 converter / rs485 converter. The built-in optoelectronic isolator can provide:Up to 2,500Vrm isolated voltage; Fast instant voltage restraint protector; This protector is designed to protect the RS-422/RS-485 interface, with the advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint. This voltage restraint provides 600W power protection in lightning and surge for each wire, and surge voltage and instant overvoltage protection on the circuit caused by every reason. The tiny interelectrode capacitance ensures high-speed transmission for RS-422/485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-422/RS-485 adopts DB9 male as a connector. It is an industrial rs232 to rs485 converter. This converter has an automatic transmission and reception conversion in no delay, and a unique I/O circuit auto control data flow direction. With these, we don’t need any handshake signal (RTS, DTR) and no jumper settings are required for full-duplex (RS-422) and half-duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to re-set the previous working mode based on RS-232.  UT-2016 optoelectronic isolated converter provides a reliable connection for point-to-point, point-to-multipoint communication. For point to multipoint mode, each converter can connect 32 sets of RS-422 or RS-485 devices, with the baud rate of 300-115.2Kbps, power indicator light and data flow indicator light to indicate fault conditions. And it can support communication methods from RS-232 to RS-422, RS-232 to RS-485 conversion.

UT-2017 is a port-powered converter with optoelectronic isolation. It complies with RS-232C and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2,500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-485 ports. RS-232 port connects with RS-232C standard port by DB9 female connector; RS-485 adopts DB9 male connector as output. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for half duplex (RS-485) mode, plug & play. It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. UT-2017 optoelectronic isolated port-powered converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS-485 devices with baudrate 300-115.2Kbps. The power and data flow indicators indicate the working status. 

For communication between PC with different standard serial port and external equipments or intelligent instruments, standard serial conversion is necessary. This converter is compatible with RS-232C, RS-485 standards. It converts RS-232 signals into balanced differential RS-485 signals. The transmission distance of RS-232 communication can be extended to 1.2km. It adopts unique “RS-232” charge pump technology to drive the system, and gains power without initializing RS-232 serial port. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); this guarantees that there is no need to modify the programming under RS-232 full duplex or half duplex mode, it will run smoothly under current software and hardware. The transmission rate is 300-115.2kbps. It can be used between hosts, host and SCM, which building a point to point, point to multipoint long-distance communication networking. It is widely applied in industrial automation control system, all-in-one card, access control system, parking system, ATM system, bus charging system, canteen ticketing system, attendance system, and toll station system, etc.  

For communication between PC with different standard serial port and external equipments or intelligent instruments, standard serial conversion is necessary. This converter is compatible with RS-232C, RS-422 standards. It converts RS-232 signals into balanced differential RS-422 signals. The transmission distance of RS-232 communication can be extended to 1.2km. It adopts unique “RS-232” charge pump technology to drive the system, and gains power without initializing RS-232 serial port. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); this guarantees that there is no need to modify the programming under RS-232 full duplex mode, it will run smoothly under current software and hardware. The transmission rate is 300-115.2kbps. It can be used between hosts, host and SCM, which building a point to point, point to multipoint long-distance communication networking. It is widely applied in industrial automation control system, all-in-one card, access control system, parking system, ATM system, bus charging system, canteen ticketing system, attendance system, and toll station system, etc. 

For communication between PC with different standard serial port and external equipments or intelligent instruments, standard serial conversion is necessary. This converter is compatible with RS-232C, RS-485/422 standards. It converts RS-232 signals into balanced differential RS-485 or RS-422 signals. The transmission distance of RS-232 communication can be extended to 1.2km.  It adopts unique “RS-232” charge pump technology to drive the system, and gains power without initializing RS-232 serial port. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play.  It is compatible with current communication software and hardware, no need to set the previous working mode which base on RS-232. This guarantees that there is no need to modify the programming under RS-232 full duplex or half duplex mode; it will run smoothly under current software and hardware.  The transmission rate is 300-115.2kbps. It can be used between hosts, host and SCM, which building a point to point, point to multipoint long-distance communication networking. It is widely applied in industrial automation control system, all-in-one card, access control system, parking system, ATM system, bus charging system, canteen ticketing system, attendance system, and toll station system, etc. 

For communication between PC with different standard serial port and external equipments or intelligent instruments, standard serial conversion is necessary. This converter is compatible with RS-232C, RS-485 standards. It converts RS-232 signals into balanced differential RS-485 signals. This converter is designed to protect RS-485 port; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR). The transmission distance of RS-232 communication can be extended to 1.2km. It adopts unique “RS-232” charge pump technology to drive the system, and gains power without initializing RS-232 serial port. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); this guarantees that there is no need to modify the programming under RS-232, it will run smoothly under current software and hardware. The transmission rate is 300-115.2kbps. It can be used between hosts, host and SCM, which building a point to point, point to multipoint long-distance communication networking. It is widely applied in industrial automation control system, all-in-one card, access control system, parking system, ATM system, bus charging system, canteen ticketing system, attendance system, and toll station system, etc.