Digital Equipment DECserver 90M - Cable Connector Pin Out

Specifications A–5
A.5 Cable Connector Pin Out
This section provides wiring diagrams for the serial communication cable con-
nectors listed in Table A–6.
Table A–6: Cable Connectors
Item Value
BN25G 8MP-to-8MP (modular plug) equipment cable
BN24H 8MP-to-6MMP (modified modular plug) office cable
The BN25G is a twisted-pair (four twisted pairs) cable with standard 8-pin modu-
lar plugs. Figure A–2 shows the wiring configuration for the BN25G cable. This
is the standard cable used to connect an asynchronous port on the DECserver
90M to an Open DECconnect wall plate.
Figure A–2: BN25G Equipment Cabling Wiring Diagram
LKG-6742–92I
DECserver 90M
Wall Plate
1
2
3
4
5
6
7
8
RXD GND
RXD
TXD GND
TXD
DTR
DSR
1
2
3
4
5
6
8-pin
Modular
Plug
8-pin
Modular
Plug
RXD GND
RXD
TXD GND
TXD
DTR
7
8
DSR