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Figure 9-5.
SDU-2000 Synchronization Distribution Unit
Table 9-3. SSU-2000 System Components
Item
Description
1.
SSU-2000 Main Shelf
(Chassis) with SDU
termination plug and
SSU-2000 User's
Guide
(12713030-002-2)
2.
Bracket, rack ear, 19"
3.
Bracket, rack ear, 23",
2 each required
4.
Stratum 2E Rb Clock
Module
12713020-002-2 Revision D – April 2004
Part Number
SSU-2000 Main Shelf and Associated Hardware
25413020-000-0
00413102-000-1
00413020-001-1
Clock Modules
23413016-000-0
Hardware Configuration Guide
SSU-2000 Configuration Chart
Notes
Required for all systems. Requires minimum
of one Comms module, one Clock module,
one Input module, one Output module, one
Input Adapter panel and one Output adapter
panel and 8 Filler panels (including one wide
panel).If an Expansion shelf (SDU-2000) is
not installed, SSU Expansion Terminator,
part number 12013049-000-0 must be
installed on J8 on the SSU-2000 chassis.
Otherwise, the terminator must be installed
on the last Expansion shelf in the system.
Two each provided with the main shelf.
Two each required per main shelf
(must specify 23" rack).
Minimum of one Clock module per system
(item 4, 5, or 6).
Redundant configuration with automatic
switching in case of clock failure requires
two Clock modules.
The system will operate with 2E/3E clocks
combined. 2E clock must be installed in
chassis slot A1.
SSU-2000 User's Guide 233
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Troubleshooting
