Nortel DMS-100 Series Maintenance Manual page 145

Outside plant access cabinet (opac)

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Cycle rotation for week 2

Charge cycle

If the string voltage meets the bus minimum requirements you can put a

string on the charge bus. The charge cycle begins with a measurement of

battery string voltages. The charge cycle consists of the following steps:

1 At OPM_CHARGE_START_TIME, the battery pair to be charged is

2 If the pair passes the minimum voltage test, the system moves the pair to

3 When the charge period is over, the pair is open-circuited.

4 At OPM_CHARGE_START_TIME the next day, the system moves the

Rotation disabled mode

Use the command string AUDIT DISABLE to disable the OPAC battery

rotation and test software from the PES MAP level.

This command string halts battery rotation, charges, and test activities. This

command string does not halt the hardware audit that runs every hour.

open-circuited. The system measures and tests pair voltages against the

OPM_MIN_CHG_VOLT value. If one string voltage does not meet the

minimum voltage required, the system leaves the pair on the load bus.

The charge cycle for that day is bypassed, and the system generates a

the charge bus for OPM_CHARGE_DURATION.

pair to the load bus. The charge cycle for the next battery string pair

DMS-100 Family OPAC Maintenance Manual XPM12 and up

OPAC maintenance overview 2-51

Troubleshooting