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Plexus 9000 Planning and Engineering Guide
Planning for Installation
Section 130-200-000
Issue 5, January 24, 2003
Telica, Inc.
6-19
When using BITs, the Plexus requires two external BITS timing inputs for
protection. These connections are provided on the rear SF modules, using
wire wrap pins. Refer to
for an illustration of the connector
and a description of the pins. When installing and cabling the modules,
the BITS cabling is connected and configured during provisioning of the
Plexus 9000. The Telica part number for the BITS cable is 45-6XXX-1-0,
where XXX is the length of the cable in feet. The BITS or line interfaces
typically operate with ESF-framed DS-1 all-ones clock signals.
Table 6.1-M. BITS Timing Connector
Port Connector Pin Description
1 Shield
2 Ring
3 Tip
SRT
P144-AA
04-02-00
S
R
T
J1
1
2
3
23
6.1.8.9
Alarm Contact Closures and Bay Alarm
The Plexus 9000 also provides Bay In and Bay Out connectors on the rear
SF-A module for daisy-chaining three units in a rack to the Power and
Alarm Panel to illuminate its Bay Alarm lamp. Refer to
for the cable part number and to
the connector.
Table 6.1-N. Required AlarmCables
Part Number
Description
Number Required
45-3xxx-1-0
Bay Alarm Cable, DB9M to DB9M
1, if using Power
and Alarm Panel
45-3xxx-2-0
Alarm Contacts Cable, DB25M to Bare Wire
1, if using Alarm
Contacts
Note:
XXX indicates the length of the cable in feet.