Network Device, DL3800E User's Guide

Pinouts B-9

ALARM PINOUT

Pin Assignments for the Alarm connector are as follows:

Table B-11 Alarm Pinout

Maj - Major

Min - Minor

NC - Normally Closed (unless alarm condition is true

this pin is connected to the appropriate comm pin)

NO - Normally Open (only during an alarm condition

will this be connected to the appropriate comm

-pin)

Alarm in - input for an alarm to the device

The above table shows the signal names and pin connections. These

outputs of Major alarms normally open and normally closed, Minor alarms

normally open normally closed, and Alarm in + & - are done through

relays and an optoisolators respectively. They are designed for -48v,

although a lower voltage should work equally well.

PIN SIGNAL

5 Maj Comm

9Maj NC

Maj NO

8 not connected

3Alarm in -

7 Min Comm

2Min NO

6Min NC

1Alarm in +