Nortel Communication Server 1000S Installation And Configuration Manual page 151

Table 33
NT8D72 and QPC720 PRI transmission equalization switch settings for Large Systems
(Part 1 of 2)
Switch S2 settings
5 on
2, 4, 6 on
1, 3, 7 on
NT8D72 and QPC720 PRI card installation
Figure 54
QPC720 switch settings for Half and Single Group systems
SW2
7-pole
(See transmission
equalization
switch settings)
(All OFF except for PRI mode,
see transmission equalization
To repeater facility
ISDN Primary Rate Interface
SW3
8-pole
switch settings)
553-1503
0 - 45 m
(0 - 150 ft)
46 - 135 m
(151 - 450 ft)
136 - 225 m
(451 - 750 ft)
Page 151 of 394
To cross-connect point
0 - 30 m
(0 - 100 ft)
31 - 100 m
(101 - 355 ft)
101 - 200 m
(356 - 655 ft)
Installation and Configuration