Nortel 600 Series Manual page 151

Table 3-K:
QNB65A Balance Network - switch settings for 24-gauge end-section H88 loaded cable
Length
Ft X Meters
1000
1.2-1.3 366-396
1.3-1.5 396-457
1.5-1.7 457-518
1.7-1.9 518-579
1.9-2.0 579-610
2.0-2.1 610-640
2.1-2.2 640-671
2.2-2.3 671-701
2.3-2.4 701-732
2.4-2.5 732-762
2.5-2.6 762-793
2.6-2.7 793-823
2.7-2.8 823-854
2.8-2.9 854-884
2.9-3.0 884-914
3.0-3.1 914-944
August 2006
Capacitance( SP Switches
µF)
1 2
5 6
0.0 0 0
0 0
3.375 1 1
0 0
4.500 0 0
0 0
9.000 0 0
0 0
11.250 0 1
0 0
12.375 1 1
0 0
14.625 1 0
0 0
15.750 0 1
0 0
18.000 0 0
1 0
19.125 1 0
1 0
20.250 0 1
1 0
21.375 1 1
1 0
23.625 1 0
1 0
24.750 0 1
1 0
25.875 1 1
1 0
28.125 1 0
1 0
For Generic 602.20
Switch settings for balance networks
Resistance(
Ω)
3 4
0 0 0
0 0 20
1 0 20
0 1 40
0 1 40
0 1 60
1 1 60
1 1 60
0 0 60
0 0 80
0 0 80
0 0 80
1 0 80
1 0 100
1 0 100
0 1 100
08.01
SQ Switches
1 2 3 4
6 7 8
1 1 1 1
1 1 1
1 1 1 0
1 1 1
1 1 1 0
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 0
1 1 1
1 1 1 0
1 1 1
1 1 1 0
1 1 1
1 1 1 0
1 1 1
1 1 1 1
0 1 1
1 1 1 1
0 1 1
1 1 1 1
0 1 1
1 1 1 1
0 1 1
1 1 1 0
0 1 1
1 1 1 0
0 1 1
1 1 1 0
0 1 1
NTP 297-3601-316
3-15
5
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1