Nortel 600 Series Manual page 161

Figure 3-5: QNB65C Balance Network - switch locations
Table 3-U:
QNB65C Balance Network - switch settings for 19-gauge end-section D66 loaded cable
SQ Switches
1 2 3 4
1 0 0 0
Length
Ft X 1000 Meters
0.9-1.0 274-305
1.0-1.1 305-335
1.1-1.2 335-366
1.2-1.3 366-396
1.3-1.4 396-427
1.4-1.5 427-457
1.5-1.6 457-488
August 2006
5 6 7 8
1 1 1 1
Capacitance(µ SS Switches
F) 1
5
5.625 1
0
6.750 0
0
9.000 0
0
10.125 1
0
11.250 0
0
13.500 0
0
14.625 1
0
For Generic 602.20
Switch settings for balance networks
ST resistance
SS capacitance
SQ cable gauge select
Resistance
2 3 4 Value (Ω)
6
0 1 0 0
0
1 1 0 0
0
0 0 1 0
0
0 0 1 0
0
1 0 1 0
0 1 1 0
0
0 1 1 0
0
08.01
3-25
ST Switches
1 2 3 4
5
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
NTP 297-3601-316