Instruction manual

POWER AND GROUNDING
Figures 17 and 18 provide a power and grounding layout for mixed AC-/DC-powered multi-carrier
cabinet configurations.
GROUND
BAR
DISCHARGE
REAR
TELEPHONE COMPANY OWNED PROTECTOR GROUND BLOCK
-48 V
BATTERY PLANT
CABINET
GROUND
BLOCK
CABINET
APPROVED
GROUND
(SEE NOTE)
6 AWG
10 AWG
COUPLED
BONDING
CONDUCTOR
(CBC)
GROUND
BLOCK
USE APPROVED GROUND LOCATED NEAREST THE
-48 V -48 V RTN
PROVIDED
POWER
PANEL
OR EQUIVALENT
CUSTOMER
UNIT
REAR
.
.
.
60-HZ 50-AMP
DISTRIBUTION
NOTE:
AC
POWER
CORD
10 FEET
CABINET
115-VOLT
NEMA 5-50
OR
SERVICE
60-HZ 30-AMP
AT THE BUILDING ENTRANCE FACILITY
FRONT
NETWORK CABINET
EXPANSION PORT
FRONT
PROCESSOR PORT
NETWORK (PPN) CABINET
DC POWER DISTRIBUTION UNIT
AC POWER
(75A
OR L6-30R
RECEPTACLE,
1 GAUGE UP
ENGINEERED
FOR LESS
THAN 1%
VOLTAGE DROP
TO 50 FEET OR
OR 208-VOLT
TO AUXILIARY
GROUND BLOCK
FIGURE 22. Typical Multi-Carrier Mixed AC/DC Power and Grounding Layout (EPN Colocated)
125