Nortel 600 Series Manual page 146

3-10 Switch settings for balance networks
Figure 3-3: QNB65A Balance Network - switch locations
Table 3-I:
QNB65A Balance Network - switch settings for 19-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
2.3-2.5 701-762
NTP 297-3601-316
Capacitance SP Switches
(µF) 1 2
5 6
0.0 0 0
0 0
2.250 0 1
0 0
5.625 1 0
0 0
9.000 0 0
0 0
11.250 0 1
0 0
12.375 1 1
0 0
13.500 0 0
0 0
15.750 0 1
0 0
16.875 1 1
0 0
For Generic 602.20
SP Capacitance
SQ Resistance and
cable gauge select
Resistance
3 4 (Ω)
0 0 0
0 0 0
1 0 0
0 1 0
0 1 0
0 1 0
1 1 0
1 1 0
1 1 0
08.01
SQ Switches
1 2 3 4
6 7 8
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
1 1 1 1
1 1 1
August 2006
5
1
1
1
1
1
1
1
1
1