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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
The 6400 Series Telephones
7-21The 6408+ and 6408D+ Telephones
7
Appropriate Circuit Packs and Distance
Limitations
The 6400 Series telephones can only be connected in a 2-wire mode behind the
TN2181 and the TN2224 digital circuit packs.
In 2-wire operation, the telephone must be within 5,500 feet of the PBX using
22-gauge wire, within 3,500 feet of the PBX using 24-gauge wire, and within 2,200
feet of the PBX using 26-gauge wire.
Power Requirements
Both 6408 telephones receive power from the system and do not require any
external power supply.
Administration
Both 6408 telephones can be administered as themselves on a DEFINITY system
starting with Release 6.1 software. These telephones will NOT work with any
DEFINITY switch release prior to Release 6.1.
Button Numbering
The following button diagrams of the 6408 telephones will help you administer the
telephones connected to a DEFINITY system Release 6.1 or later.
If you need more information, refer to
DEFINITY Communications System
Generic 3 Implementation
, 555-230-653.