Panasonic KX-TD1232E Installation Manual page 48

2.3.2 Extension Connection
for Proprietary Telephones, Single Line Telephones and Consoles
(KX-TD816: Jack 1 through Jack 8, KX-TD1232: Jack 1 through Jack 16)
Maximum distance of extension line cord
Notes
Proprietary Telephone (analogue type) Connection
2-12 Installation
The maximum length of the extension line cord, twisted cable, that
connects the main unit and the extension is as follows:
240 m for ø 0.5 mm
620 m for ø 0.5 mm
240 m for ø 0.5 mm
• Extension line cords should only be routed internally (inside a
customers premises).
• The KX-TD1232 is illustrated as a main unit.
With the KX-T7020, KX-T7050 and KX-T7130 model proprietary
telephones, 4-conductor wiring is required for each extension.
Connect pins "A," "B," "L" and "H."
A: A-wire L: Low
B: B-wire H: High
Digital Proprietary Telephone
Single line Telephone
Console