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2.3 Connection
46 General Installation
Connection
KX-TD1232
Extension jacks 1 through 16 are for all kinds of telephones.
Maximum Cabling Distance
The maximum length of the extension line cord (twisted cable) which connects the system and
the extension is as follows:
Telephone Wiring
2, 4 or 6-conductor wiring is required for each extension as listed below. There are six pins for
possible connection: "T", "R", "D1", "D2", "P1" and "P2".
T: Tip
R: Ring
D1: Data 1
D2: Data 2
P1: 3 Pair Voice (OHCA)
P2: 3 Pair Voice (OHCA)
Diameter of the line Max. length
Single Line Telephone 22 AWG
24 AWG
26 AWG
1798 m
1128 m
698 m
Proprietary Telephone /
Console
22 AWG
24 AWG
26 AWG
360 m
229 m
140 m
Jack 08
Jack 07
Jack 06
Jack 05
Jack 04
Jack 03
Jack 02
Jack 01
R: Ring T: Tip
D2
R
T
D1
View of TEL Jack (Extension)
D1: Data 1 D2: Data 2
To extensions (Jacks 01 – 08)