Maximum Cabling Distance Of Extension Wiring (Twisted Cable) - Panasonic KX-TEA308 Installation Manual

2.5 Connecting Extensions

Maximum Cabling Distance of Extension Wiring (Twisted Cable)

2- or 4-conductor wiring is required for each extension as listed below. There are 4 pins that can be
used for connection: "T" (Tip), "R" (Ring), "H" (High) and "L" (Low).
SLT
PT (such as KX-T7735)
DSS Console
Note
If a telephone or answering machine with an A-A1 relay is connected to the PBX, set the A-A1
relay switch on the telephone or answering machine to the "OFF" position.
48 Installation Manual
Cable
ø 0.4 mm:
ø 0.5 mm:
ø 0.6 mm:
CAT 5:
Cable
ø 0.4 mm:
ø 0.5 mm:
ø 0.6 mm:
CAT 5:
Telephone
Max. Distance
140 m
229 m
360 m
229 m
Max. Distance
698 m
1128 m
1798 m
1128 m
Wiring
1-pair wire (T, R)
2-pair wire (T, R, H, L)
1-pair wire (H, L)
PT and DSS
Console
SLT