363-206-204
Equipment and Rear Access Cable Installation
Issue 9 October 1998 2-17
NOTE
:
Office alarm cable options are listed in Table 2-5.
NOTE
:
Office alarm connections are listed in Table 2-8.
Procedure for Shelf 1
NOTE
:
Office alarms are cabled to shelf 1 (bottom DDM-2000 OC-3 shelf) in the
bay. Office alarms for the other DDM-2000 OC-3 shelves in the bay are
daisy-chained up the bay from shelf 1 (bottom shelf).
1. Obtain an office alarm cable Group 357 or 358 (refer to Table 2-5).
2. Connect the cable to P56 of shelf 1.
NOTE
:
If shelf 1 is not being installed at this time, enough cable length should be
provided to allow the cable connector to be moved down to shelf 1 in the
future.
3. Route the office alarm cable from the bottom shelf out of the DDM-2000
OC-3 bay per Figure 2-12 to the office alarm panel, stacking the cables as
shown in Figure 2-2 or Figure 2-3.
4. Dress and tie the cables as close to the backplane as possible without
touching any backplane pins.
5. Inspect the office alarm panel and add a contact protection network (if
required).
6. Cut the office alarm cable to the desired length.
7. Wire-wrap the loose end of the office alarm cable to the alarm panel, mak-
ing connections as shown in Table 2-8.
Procedure for Other Shelves
NOTE
:
This procedure should be performed when shelf 1 in the same bay will be
directly connected to the office alarms. The cable added in this procedure
is to mult office alarms in a bay to shelf 1. In this procedure shelf 1 will be
connected to shelf 2, shelf 2 will be connected to shelf 3, etc.
Содержание DDM-2000 OC-3
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