Instruction manual

POWER AND GROUNDING
Figure 16 shows a typical power and grounding layout for a remotely located EPN cabinet. A
ground wire must be connected from the cabinet ground block of both the PPN and EPN cabinets
to an approved ground. (Also see ‘‘Grounding,’’ later in this section).
OR EQUIVALENT
UNIT
REAR
.
.
.
DISTRIBUTION
RECEPTACLE,
60-HZ 50-AMP
115-VOLT
60-HZ 30-AMP
NEMA 5-50
PROVIDED
POWER
PANEL
CUSTOMER
POWER
.
.
.
CORD
10 FEET
6 AWG
60-HZ 50-AMP
SERVICE
CONDUCTOR
10 AWG
TO
APPROVED
GROUND
(SEE NOTE)
115-VOLT
60-HZ 30-AMP
TELEPHONE COMPANY OWNED PROTECTOR GROUND BLOCK
AT THE BUILDING ENTRANCE FACILITY
UNIT
REAR
DISTRIBUTION
GROUND BLOCK
COUPLED
BONDING
6 AWG
SINGLE-POINT
POWER
TO APPROVED
FRONT
POWER
FRONT
NOTE:
GROUND BLOCK
NETWORK CABINET
PROCESSOR PORT
NETWORK CABINET
EXPANSION PORT
TO AUXILIARY
CABINET
COUPLED
BONDING
CONDUCTOR
10 AWG
GROUND
(SEE NOTE)
6 AWG
USE APPROVED GROUND LOCATED NEAREST THE
REMOTELY
LOCATED
POWER PANEL
SINGLE-
POINT
GROUND
BLOCK
CUSTOMER
PROVIDED
SERVICE
OR L6-30R
OR 208-VOLTOR 208-VOLT
POWER
CORD
10 FEET
FIGURE 16. Typical Multi-Carrier AC Power and Grounding (Remote EPN)
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