Installation manual

208 20/10/2004 PS10270JENAA01

Description of the connectors

Description of the switches

S1: switches S1.1, S1.2, S1.3, and S1.4 are used to configure the balance and short or standard

line gain for each trunk line.

In the following tables, “x” represents the switch number (from 1 to 4).

NAME Function Description of the contacts

J2 used to connect two analogue trunk lines pins 4 and 3: trunk line 1

pins 2 and 1: trunk line 2

J3 used to connect two analogue trunk lines pins 4 and 3: trunk line 3

pins 2 and 1: trunk line 4

J4 and J5 used to connect the charge detection card for

LR1

J6 and J7 used to connect the charge detection card for

LR2

J8 and J9 used to connect the charge detection card for

LR3

J10 and J11 used to connect the charge detection card for

LR4

S1.x.1 S1.x.2 Switch Line impedance

OFF ON complex impedance (factory setting)

ON OFF impedance 600

Ω

OFF