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Install 909A/B universal coupler
Issue 10 June 2005 345
!
CAUTION:
CAUTION: Do not plug the cable into J3 before all cross-connects are completed. Damage
to the 909A/B universal coupler may occur.
Figure 112
shows the physical locations of the pins for J1, J2, and J3.
Figure 112: Typical modular jack pinout
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 65: J3 Pin Assignments (Power Connections)
Pin Color Designation Description
1, 3, 4, & 7 — — Not used
2 Black GRD -48 RET or ground lead from
system or from positive lead of
power supply
5 Yellow -48 VDC -48 VDC from system or from
negative lead of power supply
Figure notes:
1. J1 and J2 8-pin modular jacks 2. J3 7-pin modular jack
Table 64: J2 Pin Assignments (Accessory Connections) (continued)
Pin Color Designation Description
2 of 2
18
2
5
mod_jack RBP 041796