Traverse Installation and Commissioning Guide, Section 9: Alarm, Timing, and Management Cabling Procedures
Visual Alarm Output Connections at the Next Shelf
Page 9-8
Turin Networks
Release TR3.2.1
Visual Alarm
Output
Connections at
the Next Shelf
Follow these steps to complete visual alarm output connections at the next Traverse
main backplane.
8
Cut the visual critical alarm wires to the correct length and strip back the
insulation by ¼ inch (7 mm).
9
Terminate the wire on the critical alarm normally-open (NO) and the
common (C) posts using a wire-wrap tool.
10
Repeat Steps 8 and 9 for major and minor visual alarm connections.
11
(SDH network only) Attach two clamp-on ferrites around the bundle of
alarm cables (1 turn), one 6-inches (152.4 mm) from the rack, the other 12
to 18-inches (304.8 to 457.2 mm) from the rack.
12
Is there another Traverse shelf in the rack?
•
Yes
.
Continue to the next procedure, Visual Alarm Output
Connections at the Next Shelf.
•
No
.
The Visual Alarm Output Connections at the First Shelf procedure
is complete. Continue to the
Audible Alarm Output Connections at
Table 9-1 Visual Alarm Output Connections at the First Shelf (continued)
Step
Procedure
Important:
Always wear a properly Electrostatic Discharge (ESD) wrist
strap when making alarm wire connections to the Traverse main
backplane.
Table 9-2 Visual Alarm Output Connections at the Next Shelf
Step
Procedure
1
Strip back the insulation on the visual alarm and common wires by ¼ inch
(7 mm).
Note:
Two wires are required for each visual alarm (critical, major,
minor), a normally-open (NO) and common (C) wire.
2
Terminate visual critical, major, minor and common alarm wires to the
first Traverse main backplane.
Note:
Alarm wire-wrap posts are sized to accept two sets of wires.
3
Route the visual alarm wires out through the top cable port on the left side
of the Traverse shelf and down the rack rails to the next Traverse shelf in
the rack following local procedures.
4
Remove the back cover from the Traverse main backplane.
