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Introduction
Issue 1 June 1998 1-5
You must supply the following for installation:
■
DEFINITY ECS two-wire, 24-port TN-2224 circuit pack or the
older TN2181.
■
Any additional DEFINITY ECS circuit packs needed (see the
DEFINITY® Communications System Generic 3, Installation for
Single-Carrier Cabinets manual, document #555-230-894,
comcode #107595423, for further information).
■
An adapter to convert to 120 VAC if you are connecting the
Switch Module to a 240 VAC outlet.
■
Power and central office line suppresser. Lucent Technologies
recommends the 147C AC/CO Line Surge Protector (#8310-
006). Contact your Lucent Technologies representative for
ordering instructions.
NOTE:
Save your packing materials. Even though the Switch Module is a
reliable product, it may be necessary to return it for maintenance.
When returning the module, use the original package.
Compatibility
While the DEFINITY Extender 1101 System is not compatible with
the original analog DEFINITY Extender, Model 846, it is
compatible with the following commercial two-wire DEFINITY ECS
display telephones:
■
8410DR
■
8434D
■
6408D+
■
CALLMASTER III
■
6424D+
■
CALLMASTER IV
■
6416D+
■
CALLMASTER VI