Nortel 600 Series Manual page 159

Table 3-P: (Continued)
QNB65B Balance Network - switch settings for 26-gauge end-section non-loaded cable without
impedance compensator at far end of cable
Length
Ft X 1000 Meters
25-26 7620-7925
Table 3-Q:
QNB65B Balance Network - switch settings for 19-gauge end-section non-loaded cable with
impedance compensator at far end of cable
Length
Ft X 1000 Meters
6-7 1829-2134
7-9 2134-2743
9-11 2743-3353
11-13 3353-3962
13-15 3962-4572
15-17 4572-5182
17-18 5182-5486
Table 3-R:
QNB65B Balance Network - switch settings for 22-gauge end-section non-loaded cable with
impedance compensator at far end of cable
Length
Ft X 1000 Meters
6-7 1820-2134
7-9 2134-2743
9-11 2743-3353
11-13 3353-3962
13-15 3962-4572
15-17 4572-5182
17-18 5182-5486
August 2006
Resistance
R1 R2
5 5
Note 1: Settings: 1 = ON, 0 = OFF
Note 2: See Figure 3-4 for information about how to set the R1 and R2
potentiometers.
Resistance
R1 R2
3.5 3
2.5 3.5
1.5 4
1 4
.5 3.5
1 3.5
1 4
Note 1: Settings: 1 = ON, 0 = OFF
Note 2: See Figure 3-4 for information about how to set the R1 and R2
potentiometers.
Resistance
R1 R2
4 3
3 3.5
2.5 4
2.5 4
2 3.5
2 3.5
2 4
Note 1: Settings: 1 = ON, 0 = OFF
For Generic 602.20
Switch settings for balance networks
Capacitance
Capacitance
Value (µF)
0.21
Capacitance
Capacitance
Value (µF)
0.15
0.15
0.15
0.15
0.15
0.23
0.39
Capacitance
Capacitance
Value (µF)
0.15
0.15
0.15
0.15
0.15
0.23
0.39
08.01
SR Switches
1 2 3 4
0 1 1 0
SR Switches
1 2 3 4
1 0 0 0
1 0 0 0
1 0 0 0
1 0 0 0
1 0 0 0
1 0 1 0
1 1 1 0
SR Switches
1 2 3 4
1 0 0 0
1 0 0 0
1 0 0 0
1 0 0 0
1 0 0 0
1 0 1 0
1 1 1 0
NTP 297-3601-316
3-23
5
0
5
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0