Hardware Configuration Guide
Configuring a Subtending SSU
230 SSU-2000 User’s Guide 12713020-002-2 Revision D – April 2004
Changing to Subtending SSU Mode
To change an SSU-2000 to a Subtending SSU, you must verify that the proper
hardware is present, and you must install the appropriate software. The minimum
software versions for the modules is listed in Table 9-1.
Required Hardware
The Subtending SSU mode requires the following modules in the shelf:
CC Input module
CC Output module
All other available modules can be used in the Subtending SSU mode. The shelf
must contain the appropriate Clock module(s), Communications module, and Input
and Output modules.
Table 9-1. Minimum Software Versions for Subtending Operation
Module Minimum Revision Level
Communications:
Basic Load
Basic + NTP
Basic + SNMP
Basic + NTP + SNMP
D.00
B.00
B.00
B.00
Clock (ST2 or ST3E) C.00
Composite Clock Input A.00
Composite Clock Output PLD: B.00
S/W: B.00