Alarm Contacts/Aux Inputs; Figure 4-4. Alarm Contacts And Aux Inputs; Table 4-1. Aux Inputs 1-9 Pin List - ADTRAN MX410 System Manual

Rear Panel

Alarm Contacts/AUX Inputs

The alarm contacts and auxiliary (AUX) inputs are shown in
The alarm interfaces connect to the nine Form C type relays on the MX410/MX412 labeled
, , and
CRIT MAJOR MINOR
provided. Connect the
panel to the (Common) and
C
as required.
Auxiliary alarms 1-4 connect to the MX410/MX412
open and closed relay contacts and are not polarity sensitive.
ments for the
AUX INPUTS
AUX INPUT
1, 2
3, 4
5, 6
7, 8
9
The alarm severity level can be changed in the Environmental Alarms menu.
After the alarm contact and AUX input connections have been made, install the protective
cover over the wire-wrap headers.
4-4 PRELIMINARY

Figure 4-4. Alarm Contacts and AUX Inputs

. Both NC (Normally Closed) and NO (Normally Open) contacts are
(Critical),
CRIT MAJOR
or wire-wrap terminals on the MX410/MX412 rear panel
NO NC
.

Table 4-1. AUX Inputs 1-9 Pin List

No Connect
Figure
, and alarm leads from the fuse and alarm
MINOR
AUX INPUTS
Table 4-1
Function
Alarm 1
Alarm 2
Alarm 3
Alarm 4
MX410/MX412 System Manual
4-4.
labeled - . These pins detect
1 9
shows the pin assign-
Default Severity Level
Critical
Major
Minor
Alert
N/A
61189500L1-1B