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General Installation
48 Installation Manual
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:Low
D2:High
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 (5900 feet)
1128 m (3700 feet)
698 m (2290 feet)
Proprietary Telephone /
DSS Console
22 AWG
24 AWG
26 AWG
360 m (1180 feet)
229 m (750 feet)
140 m (460 feet)
Jack 8
Jack 7
Jack 6
Jack 5
Jack 4
Jack 3
Jack 2
Jack 1
R: Ring T: Tip
D2
R
T
D1
View of TEL Jack (Extension)
D1: Low D2: High
To extensions (Jacks 1 8)