Wire Wrap Maj And Crit Alarm Relay Posts; Follow-Up Procedures - ADTRAN MX2820 System Manual

MX2820 System Manual
a. Wire wrap one strand to the lowest AUX3 post, and route wire downward.
b. Wire wrap one strand to the highest AUX3 post, and route wire downward.
c. Wire wrap one strand to the lowest AUX2 post, and route wire downward.
d. Wire wrap one strand to the highest AUX2 post, and route wire downward.
e. Wire wrap one strand to the lowest AUX1 post, and route wire downward.
f. Wire wrap one strand to the highest AUX1 post, and route wire downward.
4. Route the wires to the external office alarm equipment, and connect the wires according to
local instructions.
5. Connect AUX3 as a Fan Module alarm. For details, refer to DLP-711.

Wire Wrap MAJ and CRIT Alarm Relay Posts

1. Measure and cut six pieces of wire long enough to reach from the
posts on the MX2820 backplane to the external office alarm equipment.
2. Use the wire strippers to strip 1 inch to 2 inches from both ends of each wire.
3. Use the wire-wrap tool to wrap the strands on the MX2820 backplane (see
follows:
a. Wire wrap one strand to the MAJ center post (
b. Wire wrap one strand to the MAJ Normally Closed (
c. Wire wrap one strand to the MAJ Normally Open (
d. Wire wrap one strand to the CRIT center post (
e. Wire wrap one strand to the CRIT Normally Closed (
f. Wire wrap one strand to the CRIT Normally Open (
4. Route the wires to the Alarm Relay concentrator or to the external office alarm equipment,
and connect the wire according to local instructions.

FOLLOW-UP PROCEDURES

Once this procedure is complete, return to the procedure which called out this DLP and
continue with the tasks indicated.
7-40
MAJ
), and route wire downward.
COM
) post, and route wire downward.
NC
) post, and route wire downward.
NO
), and route wire downward.
COM
) post, and route wire downward.
NC
) post, and route wire downward.
NO
and wire-wrap
CRIT
Figure 7-6) as
61186003L1-1D