Lancom Systems 1621, 821, 1711 manual Status of ISDN S0 connection

Models: 1621 1711 821

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Status of ISDN S0 connection:

EN

LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN

Chapter 2: Installation

 

 

ISDN status

Status of ISDN S0 connection:

 

off

 

Not connected or no S0 voltage (no error message)

 

 

 

 

 

 

 

green

blinking

Initializing D-channel (establishing contact with the connec-

 

 

 

tion point)

 

green

constantly on

D channel ready for use

 

 

 

 

 

red

blinking

Error (CRC error, framing error, etc.)

 

 

 

 

 

red

constantly on

Activation of D-channel failed

 

 

 

 

ISDN Chan 1

ISDN Chan 2

(only LANCOM 821

ADSL/ISDN and

LANCOM 1621

ADSL/ISDN)

ISDN Data

(only LANCOM

1711 VPN)

LAN 1

LAN 2

LAN 3

LAN 4

If the ISDN status LED goes out automatically, this does not indicate an S0 bus error. Many ISDN connections and PBXs put the S0 bus into a power-save mode after a certain time. The S0 bus is automatically reactivated as required, and the ISDN status LED will once again light up green.

(Separate) status display for both ISDN B channels:

off

 

No connection established

 

 

 

green

blinking

Dialling

 

 

 

green

flashing

Establishing first connection

 

 

 

green

flashing

Establishing further connection

 

 

 

green

constantly on

Connection established via B channel

 

 

 

green

flickering

Data traffic (send or receive)

 

 

 

Status of the four LAN ports in the integrated switch:

off

 

No network device connected

 

 

 

green

constantly on

Connection to network device operational, no data traffic

 

 

 

green

flickering

Data traffic

 

 

 

red

flickering

Collision of packets

 

 

 

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Lancom Systems 1621, 821, 1711 manual Status of ISDN S0 connection, Separate status display for both ISDN B channels