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909A/B universal coupler
Issue 4 October 2002
27555-233-116
!
CAUTION:
Do not plug the cable into J3 before all cross-connects are completed.
Damage to the 909A/B universal coupler may occur.
Table 2. J1 Pin Assignments (System Connections)
Pin Color Designation Description
1 White-Orange — Not Used
2 Orange PG2/BZ2 Seizure control lead, connected to -48 VDC from
the system or from the 909A/B when the protection
paging switch is set to C2, or to -48 VDC on the
909A/B when protection/paging switch is set to C1
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
8Brown — Not Used
Table 3. 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