Nortel BayStack 600 Series, Manual

Page: 158 / 178

NTP 297-3601-316 08.01 August 2006
For Generic 602.20
3-22 Switch settings for balance networks
Note 2: See Figure 3-4 for information about how to set the R1 and R2
potentiometers.
Note 1: Settings: 1 = ON, 0 = OFF
Note 2: See Figure 3-4 for information about how to set the R1 and R2
potentiometers.
Table 3-O:
QNB65B Balance Network - switch settings for 24-gauge end-section non-loaded cable without
impedance compensator at far end of cable
Length Resistance Capacitance
Ft X 1000 Meters R1 R2 Capacitance
Value (
µ
F)
SR Switches
1
2 3 4 5
6-7 1829-2134 5.5 0 0.17 0 1 0 0 0
7-9 2134-2743 5.5 0 0.17 0 1 0 0 0
9-11 2743-3353 4 3 0.17 0 1 0 0 0
11-13 3353-3962 4 3 0.17 0 1 0 0 0
13-15 3962-4572 4 3 0.17 0 1 0 0 0
15-17 4572-5182 3.5 3 0.19 0 0 1 0 0
17-19 5182-5791 3.5 3 0.19 0 0 1 0 0
19-21 5791-6401 3.5 4.5 0.21 0 1 1 0 0
21-23 6401-7010 3.5 4 0.21 0 1 1 0 0
23-25 7010-7620 3.5 5 0.23 0 0 0 1 0
25-27 7620-8230 4 5 0.23 0 0 0 1 0
27-28 8230-8534 4 5 0.23 0 0 0 1 0
Table 3-P:
QNB65B Balance Network - switch settings for 26-gauge end-section non-loaded cable without
impedance compensator at far end of cable
Length Resistance Capacitance
Ft X 1000 Meters R1 R2 Capacitance
Value (
µ
F)
SR Switches
1
2 3 4 5
6-7 1829-2134 7 5 0.15 1 0 0 0 0
7-9 2134-2743 6 4.5 0.15 1 0 0 0 0
9-11 2743-3353 5.5 6 0.15 1 0 0 0 0
11-13 3353-3962 5 7 0.15 1 0 0 0 0
13-15 3962-4572 5 7 0.15 1 0 0 0 0
15-17 4572-5182 5 4 0.17 0 1 0 0 0
17-19 5182-5791 5 4 0.17 0 1 0 0 0
19-21 5791-6401 5 8 0.19 0 0 1 0 0
21-23 6401-7010 5 6 0.19 0 0 1 0 0
23-25 7010-7620 5 5 0.19 0 0 1 0 0