Extension Connection - Panasonic KXTA308 - ANALOG PBX Installation Manual

2.3.4

Extension Connection

Telephone Wiring
Note
Connection
Extension jacks 01 – 08 are for single line telephones and analog
proprietary telephones.
The maximum length of the extension line cord (twisted cable)
which connects the system and the extension is as follows.
Single Line Telephone
(Station Loop Limit:
600 including set)
Proprietary Telephone
(Station Loop Limit:
40 )
2 or 4-conductor wiring is required for each extension as listed
below. There are four pins possible for connection: "T" (Tip),
"R" (Ring), "L" (Low) and "H" (High).
Telephone
Single line telephone
Proprietary telephone
(e.g., KX-TA30830)
• If a telephone or answering machine with an A-A1 relay is connected to
the system, set the A-A1 relay switch on the telephone or answering
machine to the OFF position.
Insert the modular plugs of the telephone line cords (2 or 4-
conductor wiring) into the modular jacks on the system.
Diameter
of the line
22 AWG 1798 m {5900 feet}
24 AWG 1128 m {3700 feet}
26 AWG 698 m {2290 feet}
22 AWG 360 m {1180 feet}
24 AWG 229 m {750 feet}
26 AWG 140 m {460 feet}
1 pair wire (T, R)
2 pair wire (L, H, T, R)
View of TEL Jack (Extension)
H
T
R
L
To extensions (JACK 01 — 08)
Installation
Max. length
Wiring
H: High
T: Tip
R: Ring
L: Low
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