Page 146 of 906 Option settings
553-3001-211 Standard 3.00 August 2005
QPC550 Direct Inward Dial Trunk card

Tables 52 through 56 give the option settings for the QPC550 DID Trunk

card.

Table 52
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 53
QPC550 vintage A—600/900 Ohm impedance selection
Device
location
Device
designation
Unit
number
Impedance
(ohms)
Switch number
12345678
G29(a) S3.0 0600 off on on off off on on off
900 on off off on on off off on
G29(b) S3.1 1600 off on on off off on on off
900 on off off on on off off on
G8(a) S3.2 2600 off on on off off on on off
900 on off off on on off off on
G8(b) S3.3 3600 off on on off off on on off
900 on off off on on off off on