Avaya MCC1 Installation And Upgrades page 834

Adjuncts and Peripherals
909A/B universal coupler
Table 47: J3 Pin Assignments (Power Connections)
Pin
1, 3, 4, & 7
2
5
Figure 325 shows the physical locations of the pins for J1, J2, and J3.
Figure 325: Typical modular jack pinout
Figure notes
1 J1 and J2 8-pin modular jacks
834
Color Designation
— —
Black GRD
Yellow -48 VDC
1 8
mod_jack RBP 041796
Description
Not used
-48 RET or ground lead from system or
from positive lead of power supply
-48 VDC from system or from negative
lead of power supply
2 5
2 J3 7-pin modular jack
SI Installation and Upgrades
June 2004