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Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario

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Page 144 of 894
 Option settings
QPC550 Direct Inward Dial Trunk card
Tables 51 through 55 give the option settings for the QPC550 DID Trunk 
card.    
Table 51
QPC550 vintages A and B—real/complex balance impedance selection
Device 
location
Device 
designation
Switch 
number
Unit 
number
Impedance type
Real
Complex
F31
S4.0
1
0
on
off
F24
S4.1
1
1
on
off
F16
S4.2
1
2
on
off
F11
S4.3
1
3
on
off
Table 52
QPC550 vintage A—600/900 Ohm impedance selection
Device 
location
Device 
designation
Unit 
number
Impedance 
(ohms)
Switch number
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