Digital Equipment DECbrouter 90, Инструкция по установке и эксплуатации, Страница: 42 / 62

Specifications and Parts List
Parts List
Table A–2 describes the cable connections for the RS422 standard.
Table A–2 RS422 Cable Connections (BC12H-06, 17-03767-01)
From
Pin
Connector (P1) To RS422
Pin
Connector (P2)
Signal Name
1, 27 – Code Ground
1
4 11 DSR A
29 29 DSR B
5 4 TX Data A
30 22 TX Data B
6 13 DCD/I A
31 31 DCD/I B
8 7 RTS/C A
33 25 RTS/C B
9 9 CTS A
34 27 CTS B
10 6 RX Data A
35 24 RX Data B
2
11 15 Ring Indicate
12 20 DCE Ground
1 8 RX Clock A
38 26 RX Clock B
2
1
Contacts tied together.
2
120 OHM resistor, 1/2w between pins 10 and 35, 13 and 38, 17 and 42. The resistors are located
at P1 end of cable.
(continued on next page)
A–6 Specifications and Parts List