ADTRAN MX410 Spezifikationen PDF herunterladen (Seite 46)

MX410/MX412 System Manual

4-4 61189500L1-1F

Alarm Contacts/Auxiliary Inputs

The alarm contacts and auxiliary (AUX) inputs are shown in Figure 4-4.

Figure 4-4. Alarm Contacts and AUX Inputs

The alarm interfaces connect to the nine Form C type relays on the MX410/MX412 labeled

CRIT (Critical), MAJOR, and MINOR. Both NC (Normally Closed) and NO (Normally Open)

contacts are provided. Connect the

CRIT, MAJOR, and MINOR alarm leads from the fuse and

alarm panel to the

C (Common) and NO or NC wire-wrap terminals on the MX410/MX412 rear

panel as required.

Auxiliary alarms 1-4 connect to the MX410/MX412 AUX inputs, which are labeled

AUX INPUTS

1-9. These pins detect open and closed relay contacts and are not polarity sensitive. Table 4-1

shows the pin assignments for the AUX inputs.

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.

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

AUX INPUT Function Default Severity Level

1, 2 Alarm 1 Critical

3, 4 Alarm 2 Major

5, 6 Alarm 3 Minor

7, 8 Alarm 4 Alert

9 No Connect N/A

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 133 134

Keine Kommentare

ADTRAN MX410 Spezifikationen Seite 46