RND 405-00002, Руководство пользователя

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4.. T echnical Parameters

Standard: Compliant with USBV.1, 1.0, 2.0 standard and ELA RS-485, RS-422S standard

USB signal: VCC, DATA+, DATA-, GND, FG

RS-232 signals: RXD, TXD, DTR, DSR, RTS, CTS

RS-485 signals: T/R+, T/R-, GND

RS-422 signal: T/R+, T/R-, RXD+, RXD-, GND

Working mode: 232 full duplex, asynchronous work, point-to-point or multi-point, 2-port half duplex, 4-port
full duplex

Direction control: Data flow direction automatic control technology, automatic control of data transmission
direction

Baud rate: 300-921.6Kbps, automatic detection of serial signal rate

Load capacity: support point to multi-point, each converter can allow the connection of 256 RS-422 or
RS-485 interface devices

Transmission distance: RS-232 end no more than 5 meters, USB end no more than 5 meters; RS-485/422
end no more than 1200meters (9600bps when), USB end no more than 5 meters

Interface protection: Surge protection,
±
15KV electrostatic protection

Interface form: USB end of the Class A interface male, DB9 male connector connection

Signal approval: 2 signal approval lights send (TXD) or (RXD) 1 power indicator (POWER)

Transmission medium: twisted pair or shielded wire

Dimensions: 1000mm*36mm*16mm (L*W*H)

Operating temperature: -40 ~ 85°C

Relative humidity: 5 ~ 95%

Transmission distance: 0-1200m (485/422)

Support WinXP/7/8/8.1/10 etc.
5. Pin Definition Description

RS-232 signal pin assignment
DB9 Male (PIN) Output Signal RS-232 full duplex wiring
1 N/A N/A
2 RXD RXD
3 TXD TXD
4 DTR DTR
5 GND GND
6 DSR
DSR
7 RTS
RTS
8 CTS CTS
9 N/A N/A
DB9 Male