Operating instructions

4-2 Modules
SG4000 Installation and Operation Manual
Removing SG4000 Optical Modules
The SG4000 optical modules design enables you to remove them while the node is in service.
CAUTION!
The module surfaces may be hot. Allow sufficient time for the module to cool before handling.
To remove an optical module:
1 Disconnect the service cable from the optical connector assembly on the module.
2 Place dust covers on the service cable connector and on the modules’ optical connector
assembly.
3 Loosen the three mounting bolts that secure the optical module in the SG4000 lid.
4 Remove the appropriate RF cabling from the module.
5 Pull the module from the SG4000 lid.
Cleaning the Optical Connector
You can clean the SG4000 optical module connectors easily, without removing the module from
the node.
To clean the connector:
1 If necessary, disconnect the service cable from the modules’ optical connector assembly.
2 Place a dust cover on the service cable connector.
3 Compress the metal tab to release the optical connector assembly from the module bracket
and pull it out of the bracket.
CAUTION!
Do not pull the optical connector out more than two inches from the casting wall. If you pull the connector out too far,
you must disassemble the module and respool the fiber.
4 Carefully clean the optical connector and bulkhead adapter using a suitable optical
connector cleaning kit. If an optical connector cleaning kit is not available, clean the
connector using pure isopropyl alcohol (99%) and a lint-free wipe. Dry it with filtered
compressed air. You can also clean the bulkhead adapter using filtered compressed air.
5 Snap the optical connector assembly back into the module bracket.
6 If necessary, clean and reconnect the service cable.