Alarm Relay Connection; Connection; Mon; Table 2-4. Alarm Relay Connector Pinout - ADTRAN ATLAS 810 Plus User Manual

Alarm Relay Connection

Connection

Mon

61200266L1-1
This connection alerts the user when a selected alarm condition exists. The
four-pin, removable terminal block connects with external wiring. To make
the appropriate connections, remove the block, connect wiring as needed,
and return the terminal block to the connector socket. Clear the alarm con-
dition by pressing the Alarm Cut-Off (ACO) switch located on the font panel
PLUS
of the ATLAS 810 .
After the appropriate connections have been made, tighten the
screws using a flathead screwdriver before reinserting the terminal
block into the rear panel of the ATLAS 810
Table 2-4 shows the pinout for the Alarm Relay connector.
Pin Name
1 Normally Closed (NC) Opens when a selected alarm condition
2 Normally Open (NO)
3 Common (COM)
4 Chassis Ground (GND)
The MON (monitor) test jack provides a bridged access jack for non-intru-
sive monitoring of the T1 circuits receiving data. When connected to this
jack, the test equipment should be configured for a bridged termination.
ATLAS 810

Table 2-4. Alarm Relay Connector Pinout

is present.
Closes when a selected alarm condition
is present.
Common connection between external
circuitry and NC or NO terminal.
PLUS
User Manual
Chapter 2. Installation
PLUS
.
Description
2-7