Instruction manual

POWER AND GROUNDING
Single-Carrier Cabinet System
Each cabinet requires a separate DC power input. See Table Q for input DC power require-
ments. Figure 24 provides a typical DC powered and grounding arrangement for a single-carrier
cabinet system.
PLUG
NO. 6
-48V
111
111
GRD
BLOCK
EACH CABINET)
C AND D
IF PROVIDED
WIRE
GRD
PLATE (BETWEEN
TO CABINET
DISCH GRD BAR
DC POWER CABINET
GRD
-48V
-48V
TO DC
DISTRIBUTION
UNIT-NEXT
NETWORK
GRD
(4 REQUIRED)
-48V RTN
-48V
TO CONTROL CABINET
GRD BLOCK NEXT
NETWORK
-48V
1
RTN
DISTRIBUTION
1
UNIT
J58890CG DC
LINE CORD (ONE
PER CABINET
NO. 1
WIRE
NO. 1 WIRE
3 CONDUCTOR NO. 10
RECEPTACLE
25A FUSE
75A
75A
PLUG
FIGURE 24. Typical Single-Carrier DC Power and Grounding Layout (EPN Colocated)
A ground wire is connected to the ground block of the bottom cabinet and routed to the battery
plant for termination on the Ground Discharge Bar. An approved ground must be terminated on
the Ground Discharge Bar.
127