Wiring User Alarm Inputs; Figure B-2: Alarm Control Module 8-Pin Mj Connector; Table B–1: Alarm Control Module 8-Pin Mj Connector Pinout - Compaq EK-ASIP2-OG. D01 Owner's Manual

Alarm Input Wiring
B.2 Wiring User Alarm Inputs
This section provides information for wiring user TTL signal alarm inputs to the 8-pin MJ
connector on the alarm control module installed in the AlphaServer 1000A system.
Figure B-2 shows the 8-pin MJ connector on the alarm control module that is used for
connecting user alarm inputs.

Figure B-2: Alarm Control Module 8-Pin MJ Connector

1
ML014036
Table B–1 provides a pinout listing of the pins on the alarm control module 8-pin MJ
connector. This table should be used to determine the correct wiring required for user alarm
inputs.
Table B–1: Alarm Control Module 8-Pin MJ Connector Pinout
Pin No.
1
2
3
4
5
6
7
8
B–2 AlphaServer Intelligent Peripheral Platform Hardware Owner's Guide
8
Signal
Inverter Fail or user input 1 Return
Inverter Fail or user input 1
Inverter Minor or user input 2 Return
Inverter Minor or user input 2
Inverter Major or user input 3 Return
Inverter Major or user input 3
Not used
Not used