Extension Connection - Panasonic KX-TD308 Installation Manual
Digital super hybrid system
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Also See for KX-TD308:
- User manual (444 pages) ,
- Installation manual (408 pages) ,
- Summary manual (248 pages)
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2.3.3 Extension Connection
Telephone Wiring
Standard telephones
Digital proprietary telephone
KX-T7230, KX-T7235)
(e.g.,
Analog proprietary telephone
Note
2-12
Installation
Extension jacks 1 through 4 are for all kinds of telephones.
Extension jacks 5 through 8 are only for digital proprietary
telephones. To make extension jacks 5 through 8 usable for all
kinds of telephones, a 4-SLT Extension Expansion Card (KX-
TD30870) must be installed.
The maximum length of the extension line cord (twisted cable)
which connects the system and the extension is as follows:
Standard Telephone
Proprietary Telephone
2 or 4-conductor wiring is required for each extension as listed
below. There are four pins for possible connection: "T", "I?', "Dl"
and "D2".
R: Ring
Telephone
1 pair wire (T, R)
1 pair wire (Di,
2
2
If a KX-TD30870 is installed
l
Note the jack numbers for the facsimile and standard telephone which
have Caller ID service.
If a telephone or answering machine with an A-Al relay is connected to
l
the system, set the
A-Al relay switch of the telephone or answering machine to the OFF
position.
Diameter of the line
22AWG
24AWG
26AWG
22AWG
24AWG
26AWG
D2: High
W i r i n g
or
pair wire (DI,
T, R) for extra Device Port
D2,
pair wire (Di,
T, R)
Max. length
1798m (5900 feet)
698m (2290 feet)
360m (1180 feet)
229m (750 feet)
140m (460 feet)
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