Status indicators and error diagnosis

 

There are five LEDs on the front panel of the ca-

 

ble modem to monitor status and show errors:

 

POWER

lights up green

 

CABLE

lights up green

 

PC

 

flashes or lights up green

 

DATA

 

flashes or lights up green

 

TEST

 

not lit (orange on test)

 

The meaning of the LEDs for the respective op-

 

erational states is shown below.

 

 

 

Function

Status

Meaning

Power

not lit

power off / mains missing

 

lit

power on

Cable

not lit

no RF carrier (Downstream)

 

flashing every 5th s

scanning for RF carrier (Downstream)

 

flashing slowly

downstream RF carrier present and ranging

 

 

in progress

 

flashing fast

registration in progress

 

lit

cable modem registered and ready for data

 

 

transfer

PC

not lit

no Ethernet or USB carrier present

 

lit

Ethernet or USB carrier present

 

flashing

data transfer to PC

Data

not lit

No data transfer

 

flashing

Data transfer to cable headend

Test

not lit

no error indicated

 

lit

error

 

During power up and self test all LEDs except “Power” are flashing for about 1 second.

Failure of data transmission

If the data transmission should fail, check the connections of the modem to

the antenna socket, the PC and

the supply.

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Kathrein DCM 42 I, DCM 32 manual Status indicators and error diagnosis, Failure of data transmission