Nortel SONET AccessNode 800A Series Manual page 299

Procedure 12-1 (continued)
Replacing the batteries
Cautions
Read the following cautions before performing this procedure.
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
CAUTION 1
Electrical shock hazard
Any unused battery cables must be disconnected from the
NT1W64AA battery breaker panel adapter to prevent
potential electrical shock and/or equipment shorting.
CAUTION 2
Battery string minimum requirements
Always install a minimum of three battery strings in order to
evenly distribute the charge current between circuit breakers
of the battery breaker panel (BBP).
CAUTION 3
Battery replacement requirements
Battery packs must not be replaced on an individual basis.
When one or more battery packs in the same string fail,
replace all packs in that string with matched batteries having
similar date codes.
CAUTION 4
Fire hazard
Remove all paper and any other combustible materials from
inside the cabinet before the cabinet is powered up.
Failure to comply with this warning could result in a fire.
CAUTION 5
Air flow baffle installation requirement
Do NOT remove the air flow baffle installed in the
electronics compartment. The air flow baffle directs air flow
through the cabinet. The air flow baffle must be installed at
all times during the operation of the cabinet.
—continued—
Cabinet maintenance operations 12-7