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Replacing a faulty Module MDF
To replace a faulty MDF of a Ports, Internet or Options module the procedure is as
follows:
1. Remove the cabling from the MDF ensuring the cables are correctly tagged so they
can be readily reinstalled.
2. Power the system down by unplugging it at the mains.
3. If a battery is installed turn off the BBU switch to disconnect the battery.
4. Remove the Module and any Network modules if appropriate.
5. Unlock the MDF module by pulling the locking bar down with a screwdriver.
6. Remove the MDF .
7. Reverse the procedure to install a new MDF.
BT Versatility
Installation and Maintenance Manual
Maintenance Procedures
39