Distance Limitations - AT&T Callmaster Series Reference Manual

Terminals and adjuncts for definity 75 and definity 85
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Distance Limitations

The following circuit packs can be used with all of the 8400-Series sets.
Circuit Pack
TN2181 - 16-port
TN754b - 8-port
TN754 - 8-port
TN413 - 8-port
SN 270 and
SN270B - 4-port
In 4-wire operation, the voice terminal must be within 5,000 feet of the PBX using 22-gauge or
24-gauge wire, and within 4,000 feet of the PBX using 26-gauge wire.
In 2-wire operation, the voice terminal 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.
2/4-Wire
Will support these switches
2-wire
G3V3, G3V2
4-wire
All switches except System 85
4-wire
All switches except System 85
4-wire
International System 75
4-wire
System 85 R2V2 - R2V4
8403 Voice Terminal
3-245

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