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I、 Product Introduction
YT-316 is a commercial grade interface converter for converting RS-232 signals to RS-485/422 signals. It is a cost-effective data interface conversion product that can work stably in strong interference environments. It converts a single ended RS-232 signal into a balanced differential RS-485/422 signal, which can extend the RS-232 communication distance to 1.2 kilometers. This product adopts an external 12 DC power supply and an internal zero delay automatic transmission and conversion circuit. The unique I/O circuit automatically controls the direction of data flow, ensuring that the program written in RS-232 half duplex mode can run in RS-485/422 mode without modification. The converter has a transmission rate of 300-115.2Kbps and can be applied to form point-to-point communication between main control computers, between main control computers and microcontrollers or peripherals Point to multipoint remote multi machine communication network, achieving multi machine response communication, has characteristics such as small size, long transmission distance, high speed, and stable performance.

YT-316 is designed with aluminum alloy shell, adopts DB9 universal serial interface, and is equipped with pluggable terminal blocks. It is flexible and convenient to use. It is widely used in point-to-point communication, industrial automation control system, all-in-one card, Door security, parking lot system, industrial distribution system, various remote control systems, POS cash register, bank, insurance, securities, canteen food selling system, traffic toll collection system, various PLC, data Electricity meter Gas meters, etc.

II、 Product Features
1. Convert RS-232 data transmission (TXD) and data reception (RXD) signals into balanced RS-485/422 signals with strong anti-interference ability
2. External power supply with strong load capacity
3. Adopting data flow automatic control technology to automatically identify and control the direction of data transmission
4. Automatic identification of Baud
5. RS485/422 output terminal with 1200W lightning protection
6. One to multiple point communication, supporting 32 point communication
III、 Product List
1. 1 YT-316 active 485 converter
2. 1 DB9 wiring terminal
3. 1 12V/500mA DC power supply
4. 1 public to female serial port cable
5. 1 instruction manual

● compatible with RS-232, RS-485 TIA/EIA.
● Automatic send / receive data, no flow control signal to the external (RTS).
● communication rate: 300BPS-115.2KBPS.
● can connect 32 RS-485 or RS-422 interface equipment.
● communication distance: 1200 meters (9600BPS).
● work: asynchronous half duplex (RS-485) or asynchronous full duplex (RS-422) general, without jumper settings.
● The RS-485/422 provides the lightning protection of each line of 600W and prevent a total interference.
● The electrical interface: DB9 pass to the DB9 pin and the RJ-45 connector.
● The transmission medium: twisted pair or shielded wire.
● size: 97mmX65mmX26mm.
● size: 97mmX65mmX26mm.
● The use of the environment: -25 ℃ to 70 ℃, relative humidity of 5% to 95%.
● Suitable for all the communication software, plug and play.
● support DOS/WIN95/WIN98/WIN2000/NT/XP Linux.