EN
LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN
Chapter 2: Installation |
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ISDN status | Status of ISDN S0 connection: | ||
| off |
| Not connected or no S0 voltage (no error message) |
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| green | blinking | Initializing |
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| tion point) |
| green | constantly on | D channel ready for use |
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| red | blinking | Error (CRC error, framing error, etc.) |
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| red | constantly on | Activation of |
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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
(Separate) status display for both ISDN B channels:
off |
| No connection established |
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green | blinking | Dialling |
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green | flashing | Establishing first connection |
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green | flashing | Establishing further connection |
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green | constantly on | Connection established via B channel |
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green | flickering | Data traffic (send or receive) |
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Status of the four LAN ports in the integrated switch:
off |
| No network device connected |
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green | constantly on | Connection to network device operational, no data traffic |
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green | flickering | Data traffic |
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red | flickering | Collision of packets |
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