Names - PABX TC-208 SP Instruction Manual

Chapter 1: Brief Introduction

1.3 Names

1 2
B C
A
( CO line jack RJ 11 profile chart)
3
( Back View)
Power supply socket
1
( The actual voltage is according to
label data which upon power socket.)
CO line ports ( RJ 11) 01 and 02
2
( Refer following profile chart )
Extension ports from 01 to 08
3
RJ 11 Jack Explanation:
This PABX machine support 2 CO lines which
share same jack ( refer above ).
D
RJ 11 jack has four pins inside which
can be divided into two groups as CO lines,
(refer A, B, C, D in left picture),
join pins B & C as CO line 1, join A & D as CO line 2.
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2