Nortel Networks Circuit Card 311 User Manual
Page 112
112
Option settings
Table 52
QPC550 vintage A-600/900 Ohm impedance selection
Switch number
Device
location
Device
designation
Unit
number
Impedance
(ohms)
1
2
3
4
5
6
7
8
G29(a)
S3.0
0
600
off
on
on
off
off
on
on
off
900
on
off
off
on
on
off
off
on
G29(b)
S3.1
1
600
off
on
on
off
off
on
on
off
900
on
off
off
on
on
off
off
on
G8(a)
S3.2
2
600
off
on
on
off
off
on
on
off
900
on
off
off
on
on
off
off
on
G8(b)
S3.3
3
600
off
on
on
off
off
on
on
off
900
on
off
off
on
on
off
off
on
Table 53
QPC550 vintage A-software/hardware control for 2dB pad
2 dB pad control
H/W
Device
location
Device
designation
Unit
number
Switch
number
S/W
(pad in)
(pad out)
1
off
off
on
0
2
on
off
off
3
on
off
off
F38
S1
1
4
off
off
on
1
off
off
on
0
2
on
off
off
3
on
off
off
F1
S2
1
4
off
off
on
Table 54
QPC550 vintage B-attenuation level control
Switch number
Device
location
Device
designation
Unit
number
1
2
3
4
5
6
7
8
2 dB
option
D39
S2.0/1
0
on
on
on
on
on
1
off
off
off
off
off
D1
S2.2/3
2
on
on
on
on
on
3
off
off
off
off
off
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.