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Chapter 4 Troubleshooting and Diagnostics

IPmux-1/1E Installation and Operation Manual

4-2 Error Detection

Table 4-1. Event Types

Event Description Corrective

Action

COLD_START

The IPmux-1/1E has been powered up

None

PWR_ACTIVE

IPmux-1/1E power supply unit is
powered on

None

FATAL ERR

IPmux-1/1E has encountered an
internal fatal error

The IPmux-1 requires servicing

SYS USER RESET

IPmux-1/1E was reset by the user

None

LOS START

IPmux-1 has a LOS (loss of signal) state
on its E1/T1 port

Check the port cable connection

Check input signal

LOS END

The LOS state detected has ended

LOF START

IPmux-1 has a LOF (Loss of frame
synchronization) state on its E1/T1 port

Check port cable connection

Check input signal

LOF END

The LOF state detected has ended

None

LINE AIS START

IPmux-1 has AIS (alarm indicator signal)
state on its E1/T1 port

Check for a fault at the PDH network, on the
receive direction

LINE AIS END

The line AIS state detected has ended

None

LINE RDI START

IPmux-1 has LINE RDI (remote defect
indicator) state on its E1/T1 port

Check for a fault at the E1/T1 connectivity
on the transmit direction

LINE RDI END

The LINE RDI state detected has ended None

LINE FEBE START

IPmux-1 has LINE FEBE state on its
E1/T1 port

Check for errors in the E1/T1 connection on
the transmit direction

LINE FEBE END

The LINE FEBE state detected has
ended

None

REMOTE FAIL START

Ethernet frames are not received by the
remote IPmux-1 on the specified
connection

Check Eth/IP path

REMOTE FAIL END

Remote fail state has ended

None

LOCAL FAIL START

Ethernet frames are not received by the
local IPmux-1 on the specified
connection

Check Eth/IP path

LOCAL FAIL END

Local fail state has ended

None

Order from: Cutter Networks

Ph:727-398-5252/Fax:727-397-9610