Adjuncts and Peripherals
909A/B universal coupler
SI Installation and Upgrades
833
June 2004
CAUTION:
Do not plug the cable into J3 before all cross-connects are completed. Damage to the
909A/B universal coupler may occur.
3
White-Green
PG1/BZ1
Seizure control lead, connected to SZ lead from the
AUX trunk when the protection/paging switch is set to
C2, or to -48 VDC on the 909A/B when the
protection/paging switch is set to C1
4
Blue
R
Ring lead
5
White-Blue
T
Tip lead
7
Green
BSY2/BY2
Busy/busy-out lead, connected to S1 lead from the
AUX trunk
7
White-Brown
BSY1/BY1
Busy/busy-out lead, connected to S lead from the AUX
trunk
8
Brown
—
Not Used
Table 46: J2 Pin Assignments (Accessory Connections)
Pin
Color
Designation
Description
1
White-Orange
CMS1/M1
Customer-supplied music source
2
Orange
CMS2/M2
Customer-supplied music source
3
White-Green
COS1
Remote busy-out control contact closure from music
source
4
Blue
CR
Customer ring lead
5
White-Blue
CT
Customer tip lead
7
Green
COS2
Remote busy-out control contact closure from music
source
7
White-Brown
CBS1/C1
Seizure indication provided to music source
8
Brown
CBS2/C2
Seizure indication provided to music source
Table 45: J1 Pin Assignments (System Connections) 2 of 2
Pin
Color
Designation
Description
2 of 2