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Preparation
10
8. Insert the larger plug (RJ-11) on the module connection cable enclosed into
the jack marked with on the bottom of the previously connected key ex-
tension module.
9. Remove the bridge plug from the jack marked with on the bottom of the
telephone.
10. Insert the Western Modular plug for the wall-mounted COMfortel XT-PS
power supply into the jack marked with on the bottom of the telephone.
Wait to connect to the 230 V power supply until the device is to be operated
for the first time.
Warning: Using the wrong wall-mounted power supply may cause a life-
threatening electric shock or may damage or destroy the device:
Ǟ Use only the wall-mounted COMfortel XT-PS power supply (type
number 809).
Fig. 1: Connecting and Mounting the COMfortel Xtension30
Key Extension