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深圳市欧鑫通信息科技有限公司
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产品简介
产品介绍
PCI TO RS422/RS485 Convertor is a universal converter of PCI to RS485/RS422, which is without addition power supply, compatible with PCI, RS422, RS485 standards. It can convert PCI signals to a balanced differential RS422 or RS485 signals. Each line has surge protection, and various surge voltage protections. The tiny capacitance distance guarantees RS422 / RS485 interface of high-speed transmission. RS422, RS485 connect by RJ45 and DB9 interface. Converter with zero delay automatic transceiver inside, unique I/O circuit automatically control data flow direction, without any handshake signals (such as RTS, DTR,etc.) and jumpers set realize full-duplex, half-duplex mode conversion, plug and play. Ensure the product fix for all existing communication software and hardware interface.
Function
PCI TO RS422/RS485 convertor supports four communication modes:
1, Point-to-point / 4-line full-duplex
2, Point-to-multi point / 4-line full-duplex
3, Point-to-point / 2-line half-duplex
4, Point-to-multi point / 2-line half-duplex
When the convertor is working at full-duplex or half-duplex, needs to add a matched resistance to avoid reflects and disturbance of signal. ( 120Ω，1/4W)
Performance parameter
1. PCI Specification Revision 2.1 compliant
2. Compliant with RS485 RS422 standard.
3. RS422 signal: T/R+、T/R-、RXD+、RXD、GND
4. RS485 signal: T/R+、T/R、GND
5. Working mode: asynchronous working, point-to-point or point-to-more, full duplex 4-line, half duplex 2-line
6. Support for the free switching RS485.RS422 mode,RS422/485 end transmission distance can reach 1200 meters(9600bps)
7. Bａnd Rate: 75-128000bps, automatically detects serial signal rate
8. load capacity: support to more each converter allows connecting 32 RS422 interface RS485 or equipment
9. Transmission range: 1200meter of RS422/485
10.Each serial signal for an additional TVS transient diode, which can prevent the following 400W surge signal crosstalk, improve communication stability.
11. Builit-in photoelectric isolation and DC-DC voltage converter, can effectively isolate the outside pressure, to avoid the impact of equipment.
12. Interface: DB9 Male
13. Transmission media: twisted-pair or shielded wire
14. Transmission rate: 38400bps at 600M 9600bps at 1.2KM
15. Operating environment: -25℃ to 70℃, relative humidity at 5% to 95%
16. Support Windows98/ME/2000/XP/Vista/7/8，Linux，MAC
- OX-MSC522I
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