Adjuncts and Peripherals
909A/B universal coupler
834
SI Installation and Upgrades
June 2004
Figure 325
shows the physical locations of the pins for J1, J2, and J3.
Figure 325: Typical modular jack pinout
Table 47: 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
1
8
2
5
mod_jack RBP 041796