58
VESR902T & VESR922T SERIES
Terminal
RS-232
Direction (RS-232)
RS-422
RS-485
A
RTS
Output
TDA (-)
Data A (-)
B
TD
Output
TDB (+)
Data B (+)
C
CTS
Input
RDA (-)
---
D
RD
Input
RDB (+)
---
E
GND
---
GND
GND
In the RS-422 mode, TX lines are outputs and RX lines are inputs. Connect the serial
server TXB(+) line to the RXB(+) line of the serial device, and the serial server TXA(-)
to the RXA(-) of the serial device.
Ground is signal ground and provides a common mode reference for the RS-422
Receiver and Transmitters.
Summary of Contents for VESR901
Page 1: ...VESR9xx Serial servers...
Page 51: ...51 APPENDIX C DIMENSIONAL DIAGRAMS Dimensional Diagram of a VESR901 Serial Server...
Page 52: ...52 Dimensional Diagram of a VESR902D Serial Server...
Page 53: ...53 Dimensional Diagram of a VESR902T Serial Server...
Page 54: ...54 Dimensional Diagram of a VERR92x Serial Server...
Page 56: ...56 Terminal RS 422 485 4 Wire RS 485 2 Wire A TDA Data A B TDB Data B C RDA D RDB E GND GND...
