Instruction manual

POWER AND GROUNDING
Figures 27 and 28 provide a power and
cabinet configurations.
EXPANSION PORT
NETWORK CABINET
grounding layout for mixed AC-/DC-powered
PROCESSOR PORT
NETWORK (PPN) CABINET
FRONT
FRONT
AC POWER
DISTRIBUTION
UNIT
-48 V
REAR
NEMA 5-50
OR
OR L6-30R
RECEPTACLE,
POWER
CORD
10 FEET
6 AWG
CABINET
OR EQUIVALENT
120-VOLT
60-HZ 50-AMP
OR 208-VOLT
THAN 1%
VOLTAGE DROP
60-HZ 30-AMP
SERVICE
CUSTOMER
PROVIDED
POWER
PANEL
CABINET
GROUND
BLOCK
DC POWER DISTRIBUTION UNIT
-48 V RTN
REAR
1 -AWG UP
TO 50 FEET OR
ENGINEERED
FOR LESS
❍
(75A
-48 V
multicarrier
CABINET
GROUND
BLOCK
TO AUXILIARY
DISCHARGE
BATTERY PLANT
GROUND BLOCK
GROUND
❍
BAR
❍
❍
10 AWG
APPROVED
GROUND
COUPLED
(SEE NOTE)
BONDING
CONDUCTOR
NOTE:
USE APPROVED GROUND LOCATED NEAREST THE
TELEPHONE COMPANY OWNED PROTECTOR GROUND BLOCK
AT THE BUILDING ENTRANCE FACILITY
(CBC)
FIGURE 32. Typical Multicarrier Mixed AC/DC Power and Grounding Layout (EPN Colocated)
169