User manual

Wide Bank 28 DS3 - Release 2.4 July 2004 5-15
Electrical Installation and Cabling
Power Wiring
Connecting to Power Source
CAUTION! WHEN A CARRIER ACCESS POWER CONVERTER/BATTERY CHARGER
IS USED, THE WIDE BANK IS GROUNDED THROUGH THE POWER PLUG (PIN 1).
T
HEREFORE, THE POWER CONVERTER MUST BE PLUGGED INTO A PROPERLY
GROUNDED THREE-PRONGED OUTLET WITH A SOLID EARTH GROUND TO PREVENT
CIRCUIT PROBLEMS. THE POWER CONVERTER ALSO HAS AN EXTERNAL GROUNDING
LUG THAT SHOULD BE CONNECTED TO EARTH GROUND.
I
F THE WIDE BANK IS CONNECTED TO A POWER SOURCE OTHER THAN THE
C
ARRIER ACCESS POWER CONVERTER/BATTERY CHARGER, A SEPARATE GROUND
WIRE MUST BE CONNECTED TO A COMMON BONDING NETWORK (CBN). SEE GROUND
CONNECTION ON page 5-6.
NOTE: We recommend that each power input cable be protected by an in-line 3-amp
slow-blow use in the –48 Volt line.
Pinout assignments for the power connectors are shown below.
Figure 5-12 Power Connector Pinout
1. Ensure that the power source switch is off (Carrier Access Power Converter/Battery Charger or
other power source).
2. Connect the power connectors to the Power A and Power B receptacles on the Wide Bank.
Negative (-) Battery
(C3)
P6
B
P5
A
Chassis Ground
(C1)
Battery Return (+)
(C2)