Option settings Page 107 of 894

Ring ground switches

A set of four DIP switches selects which Ring lines are connected to ground (see Table 18).

Table 18

Ring ground switch settings

Switch

Description

S2 switch setting

 

 

 

 

1

Trunk 0

Transmit

off - Ring line is not grounded

 

 

 

on- Ring line is grounded

 

 

 

 

2

Trunk 0

Receive

off - Ring line is not grounded

 

 

 

on - Ring line is grounded

 

 

 

 

3

Trunk 1

Transmit

off - Ring line is not grounded

 

 

 

on - Ring line is grounded

 

 

 

 

4

Trunk 1

Receive

off - Ring line is not grounded

 

 

 

on - Ring line is grounded

 

 

 

 

Circuit Card Description and Installation

Page 107
Image 107
Nortel Networks 553-3001-211 manual Ring ground switches