Extension Connection - Panasonic KX-TD816 Installation Manual

2.3.2 Extension Connection

KX-TD816
Extension jacks 01 through 08 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:
Single Line Telephone
Proprietary Telephone /
Console
Telephone Wiring
2 or 4-conductor wiring is required for each extension as listed below. There are four pins for
possible connection: "T", "R", "D1" and "D2".
T: Tip
R: Ring
D1: Data 1
D2: Data 2
Single Line telephone
Digital proprietary telephone
(e.g. KX-T7536, KX-T7235)
Analogue proprietary telephone
(e.g. KX-T7030, KX-T7130)
Console
(e.g. KX-T7540, KX-T7240)
General Installation
Diameter of the line
22 AWG
24 AWG
26 AWG
22 AWG
24 AWG
26 AWG
Telephone
1798 m
1128 m
698 m
360 m
229 m
140 m
Wiring
1 pair wire (T, R)
1 pair wire (D1, D2) or
2 pair wire (D1, D2, T, R) for eXtra Device Port
2 pair wire (D1, D2, T, R)
1 pair wire (D1, D2)
Max. length
2.3 Connection
45