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IMACS System Release 5.1.9
Reference Guide
Model No.
Running Head
System Power and Ground Connections
System Installation
Figure 3-10. DC Terminal Block on Two-Sided Chassis with Power Supplies on the Side in
a DC Environment
Note:
Optional Telecom Signaling Ground - It may be required when the -48 VDC source
output is not referenced ground or when the system is AC powered. It is only needed
for the proper operation of the Telecom Ground Start and E&M signaling circuits.
Optional Telecom Signaling Ground
-48 VDC Return
-48 VDC Supply
48 VDC Source
Protective Earth/Chassis Ground
+
-