ELSA Cable - Manual (Page 10)

Introducing the ELSA MicroLink Cable
ELSA MicroLink Cable
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ON This LED flashes once when the power supply is switched on. After the self-test, either
an error is output by a flashing light code or the device starts and the LED remains lit.
Standby This LED shows that the unit is in stand-by mode. The ELSA MicroLink Cable is registered
with the cable network provider in this state, but there is no active connection to the local
network. In other words, no data can be exchanged between the Internet and the LAN
in this state.
The ELSA MicroLink Cable can be switched to this mode by configuring the function of
the power switch correspondingly and then actuating this switch on the rear of the unit.
Cable-Tx, -Rx,
-Sync, Reg’d These LEDs display the status of the interface to the cable network:
Blink codes The Sync and Reg’d LEDs can display the various phases of the cable modem registration
through combined blink codes, thus offering configuration troubleshooting information.
The meanings of the specific blink codes:
Off Unit switched off, power supply plugged in
red 1 x short Boot procedure (test and load) started
red flashing Display of a boot error (flashing light code)
red Device ready for use
Cable-Tx yellow Data packet sent from the device to the Internet
Cable-Rx green Data packet received from the Internet
Cable-Sync green The device has found a channel on which it can communicate with the
cable network operator's headend.
Cable-Reg’d green The registration and all required negotiations between the unit and the
headend have been completed and the registration confirmed by the hea-
dend. The unit is ready to exchange data with the Internet in this state.
SYNC REG'd What has been achieved so
far? What is the modem trying to do?
off off channel search with 64/256QAM chan-
nel
1 pulse off QAM lock FEC lock
2 pulse off FEC lock TRC lock
on off TRC lock initial ranging
on 1 pulse initial ranging DHCP
on 2 pulse DHCP ToD
on 3 pulse ToD Configuration file
on 4 pulse Configuration file Registration
on on Registration