Compaq EK-ASIP2-OG. D01 - Manual (Page 56)

Alarm Input Wiring
B–2 AlphaServer Intelligent Peripheral Platform Hardware Owner's Guide
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 8
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. Signal
1 Inverter Fail or user input 1 Return
2 Inverter Fail or user input 1
3 Inverter Minor or user input 2 Return
4 Inverter Minor or user input 2
5 Inverter Major or user input 3 Return
6 Inverter Major or user input 3
7 Not used
8 Not used