Carrier Access 1750 Manual De Usuario
6-12
Broadmore 1750 - Release 4.6
Electrical Installation
Power Supply Connections
Power Supply Connections
WARNING!
T
HE
INSTALLER
SHALL
ENSURE
THAT
ALL
POWER
CONNECTIONS
TO
THE
B
ROADMORE
1750
HAVE
AN
APPROVED
SERVICE
DISRUPTION
FEATURE
EXTERNAL
TO
THE
B
ROADMORE
1750
FOR
EMERGENCY
USE
. T
HIS
MAY
BE
A
FUSE
,
CIRCUIT
BREAKER
,
CORRECTLY
LABELED
SWITCH
,
OR
OTHER
APPROPRIATE
DEVICE
.
Optional AC Power Supply Connections
The optional redundant AC Power Supply Tray mounts in the rack directly below
the Broadmore 1750 chassis (see “AC Power Supply Tray” on page
the Broadmore 1750 chassis (see “AC Power Supply Tray” on page
). Each
40W power supply module in the tray converts voltage from 110/220 VAC (50-60
Hz) to –48 VDC. Each DC cable has pigtail wires for connecting –48 VDC power
to the Broadmore chassis.
Hz) to –48 VDC. Each DC cable has pigtail wires for connecting –48 VDC power
to the Broadmore chassis.
1. Locate the AC power cord provided with each power supply module and
connect one end to the AC connector on the rear of each module.
2. Ensure the power switch on the front of each module is turned OFF and that
the AC power indicator (LED) does not light.
3. Connect each AC power cord to a facility 110 VAC power receptacle. Cords
may be connected to different AC sources for additional redundancy if desired.
4. Turn each power switch to the ON position. The green AC power indicator
(LED) should illuminate beside each switch to indicate normal operation.
5. Turn each module power switch to the OFF position and verify that the power
indicator is off.
6. Locate the DC power cord provided with each power supply module and
connect the plug to the DC connector on the rear of each module.