Extension Connection - Panasonic KX-TA624 Installation Manual

2.3.4

Extension Connection

Telephone Wiring
Note
Connection
2-12 Installation
Extension jacks 01 – 08 are for all kinds of 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 Ω including set)
Proprietary Telephone
(Station Loop Limit:
40 Ω)
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-T7030, KX-T7130)
• If a KX-TA62493 is installed;
Note the jack numbers for the facsimile and single line telephone which
have Caller ID service.
• 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.
View of TEL Jack (Extension)
H R L T
Diameter
of the line
22 AWG
24 AWG
26 AWG
22 AWG
24 AWG
26 AWG
1 pair wire (T, R)
2 pair wire (L, H, T, R)
H: High
T: Tip
R: Ring
L: Low
Max. length
1798 m {5900 feet}
1128 m {3700 feet}
698 m {2290 feet}
360 m {1180 feet}
229 m {750 feet}
140 m {460 feet}
Wiring
To extensions
(JACK 01–08)
E R
P O W