Nortel Networks Circuit Card User Manual
Page 147
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Option settings
Page 147 of 906
Circuit Card
Description and Installation
Table 54
QPC550 vintage A—software/hardware control for 2dB pad
Device
location
Device
designation
Unit
number
Switch
number
S/W
2 dB pad control
H/W
(pad in)
(pad out)
F38
S1
0
1
off
off
on
2
on
off
off
1
3
on
off
off
4
off
off
on
F1
S2
0
1
off
off
on
2
on
off
off
1
3
on
off
off
4
off
off
on
Table 55
QPC550 vintage B—attenuation level control
Device
location
Device
designation
Unit
number
Switch number
2 dB option
1
2
3
4
5
6
7
8
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
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