Extension Connection - Panasonic KX-TA308 Installation Manual
Advanced hybrid system
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Also See for KX-TA308:
- Installation manual (374 pages) ,
- Manual de instalación (268 pages) ,
- User manual (198 pages)
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2.8
Extension Connection
Extension jacks 01 through 08 for the KX-TA308 and extension jacks 01 through 16 for the
KX-TA616 can be used for all kinds of telephones.
Telephone Wiring
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 4 pins
possible for connection: "T" (Tip), "R" (Ring), "L" (Low) and "H" (High).
Single line telephones
Proprietary telephone
(e.g., KX-T7330)
!
• 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.
Connection
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
24 AWG
26 AWG
22 AWG
24 AWG
26 AWG
Telephone
View of TEL Jack (Extension)
H: High
T: Tip
R: Ring
L: Low
H R L
T
Wiring
1 pair wire (T, R)
2 pair wire (L, H, T, R)
* The illustration on this page is a KX-TA308.
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}
To extensions
(JACK 01–08 for the KX-TA308,
JACK 01–16 for the KX-TA616)
Installation
2-9
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