Carrier Access 770-0125-AB User Manual
2-8
BROADway - Release 4.00
Installation
Cabling Power and Ground
WARNING!
T
HE
BROAD
WAY
CHASSIS
DOES
NOT
PROVIDE
AUTOMATIC
POLARITY
CORRECTION
. T
HAT
IS
,
IF
YOU
ATTACH
THE
SUPPLY
WIRES
IN
THE
WRONG
ORDER
,
THE
INPUT
POWER
FUSE
WILL
BLOW
. S
PARE
FUSES
ARE
ENCLOSED
WITH
EACH
BROAD
WAY
CHASSIS
TO
HANDLE
THIS
SITUATION
.
5. After wiring the green FEED A connector, reconnect it to the back of the BROADway chassis.
6. For power redundancy, use an alternate DC power source, and wire FEED B in the same
manner as FEED A.
DANGER!
T
HIS
CHASSIS
HAS
TWO
POWER
SUPPLY
CONNECTIONS
. D
ISCONNECT
BOTH
BEFORE
SERVICING
TO
AVOID
ELECTRIC
SHOCK
.
BROADway
+24 VDC Feed
+
-
+24 VDC
RETURN
Ground at power source
Using a +24 VDC Power Source