User's Manual

Table Of Contents
Alarm types and sources | 231
Motherboard alarms
Ref Type Explanation
E1 mbFan1Fail Fan 1 failure
E2 mbFan2Fail Fan 2 failure
E3 mbCardMismatch The expected interface card is different to the card that is
fitted
E4 mbHwHsc A MUX card has an unsupported HSC number
QJET alarms
Ref Type Explanation
F1 e1AIS The E1 interface RX input has received an Alarm Indication
Signal from the downstream equipment.
F2 e1RAI The E1 interface interface RX input has received a Remote
Alarm Indication alarm (RAI) from the downstream equipment.
A remote alarm indicator signal is sent from the downstream
equipment when it has an active LOS or LOF alarm.
F3 e1LOS The E1 interface Loss Of Signal alarm (LOS)
F4 e1CRC4 The E1 interface Cyclic Redundancy Check 4 alarm indicates
a loss of or corrupted CRC data.
F5 e1LOF The E1 interface Loss Of Frame alignment (LOF)
F6 e1RMAI The E1 interface interface RX input has received an RMAI
from the downstream equipment.
A TS16 remote alarm indicator signal is sent from the
downstream equipment when it has an active TS16 LOS or
LOF alarm.
F7 e1TS16AIS The E1 interface RX input has received a TS16 Alarm
Indication Signal from the downstream equipment.
F8 e1TS16LOS The E1 timeslot 16 Loss Of Signal alarm
F9 t1AIS The T1 interface RX input has received an Alarm Indication
Signal from the downstream equipment (AIS Received alarm)
F10 t1RAI The T1 interface interface RX input has received a Remote
Alarm Indication alarm (RAI) from the downstream equipment.
F11 t1LOS The T1 interface Loss Of Signal alarm (LOS)
F12 t1LOF The T1 interface Loss Of Frame alignment (LOF)