Installing the Components
7705 SAR-8 Installation Guide Page 115
Hardware required:
• coaxial cable with 1.0/2.3 coaxial connector (for connection to external
synchronization source)
• Sync Y-cable available from Alcatel-Lucent (for redundant CSM systems) (part
number 3HE03401AA)
Connecting an External Synchronization Input
To connect an external synchronization source input to the router:
Step 1. For single CSM systems, attach the synchronization cable to the Sync In connector
on the CSM. Continue at Step 3.
Step 2. For redundant CSM systems, attach the Sync Y-cable to the Sync In connectors on
the CSMs, with the piggyback connector attached to CSM A. Attach the
synchronization cable to the piggyback connector on CSM A.
Step 3. Attach the other end of the synchronization cable to the external synchronization
source.
Providing an External Synchronization Output
To provide an external synchronization source output from the router:
Step 1. Attach the synchronization cable to the Sync Out connector on the CSM. For
redundant CSM systems, attach a separate synchronization cable to the Sync Out
connector on each CSM. Do not use a Sync Y-cable on the Sync Out connectors.
Step 2. Attach the other end of the synchronization cable(s) to the device(s) requiring a
synchronization source.
3 External synchronization source cable
4 To external synchronization source
5 Sync Y-cable
6 Piggyback connector
Table 27: Redundant External Synchronization Input Features (Continued)
Key Description
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