Connection; Isdn Co Line Connection - Panasonic KX-TD612E Installation Manual

Installation

2.4 Connection

2.4.1 ISDN CO Line Connection

Wire Specifications
In making a line connection, use an ISDN (BRI) CO line cord for installation. The wire
specifications for CO lines are as follows:
Wire
Diameter of conductor
Diameter of insulation
Connection
The system has a basic capacity of 2 ISDN (BRI) lines (ISDN (BRI) ports 1 and 2). Each ISDN
(BRI) line can support 2 CO lines. ISDN port 1 is only used for CO lines. ISDN port 2 and 3
(option) can be used for CO lines or ISDN extension lines (default: Port 2 — CO/Port 3 —
Extension). To use ISDN extension lines, some System Programming and hardware changes
are required beforehand.
A: To make 4 CO lines
1.
Insert the modular plugs of the ISDN (BRI) line cords (8-conductor wiring) into the ISDN
(BRI) ports 1 and 2.
2.
Connect the line cords to the terminal board or the modular jacks from the Central Office.
View of TEL Jack for CO Line
36
TA RA RB TB
Solid wire
ø 0.4 mm — ø 0.65 mm
ø 0.66 mm — ø 1.05 mm
To Terminal Board or
Modular Jacks from
the Central Office
ISDN (BRI) ISDN (BRI) ISDN (BRI)
Port 1 Port 2 Port 3
Installation Manual