Nortel DMS-100 Series Maintenance Manual page 345

Information
Door
ECU
FSP
BCC
0123
DMS-100 Family OPAC Maintenance Manual XPM12 and up
critical, major, minor
Meaning
Position of doors on the OPAC is the following:
FRNT position of the front or rear door is:
— . door closed
— 0 door open
SIDE position of the side door. SIDE alarms are not
present in OPAC. Indicator displays a dot:
— . door closed
Condition of environmental control unit (ECU) is the
following:
. ECU (fans) not faulty
F ECU (fans) faulty
Condition of the modular supervisory panel (MSP) is the
following:
. MSP not faulty
F MSP faulty
Condition of the battery charger controller is the following:
. normal load bus configuration in use
W a minimum of one battery strings does not connect
to the load bus
States of the battery string pairs are the following:
. string pair connects to load bus
CHG string pair connects to charge bus
BSY driver card manual busy or offline
O/C string pair open circuit
DIS string pair connects to discharge test bus
F string pair fails system testing
– string pair not equipped. String pair 3 is not
equipped in OPAC. String pair 3 is entered as –.
—continued—
Alarm clearing procedures 7-109
(continued)
PMPES