Lancom 1723 VOIP User Manual page 40

LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP
ISDN Status display for the ISDN interfaces:
Off
Green
Green
Orange
Orange
Orange
Red
Red
Red/
orange

Analog Connection status at the analog terminal equipment connector:
(1 and 2)
Off
Green
Orange
TE mode
(external ISDN connec-
tion)
Interface off or Layer 1 deac-
tivated or no Layer 2 TEI
Blinking Establishing D-channel Layer 1/establishing Layer 2 TEI
On (perma- D-channel activated (Layer 1
nently) active and Layer 2 TEI availa-
ble)
Blinking Establishing the first ISDN connection
Flashing Establishing an additional ISDN connection
Inverse flicker- Data traffic being sent
ing
Blinking B-channel error
On (perma- Abort due to error in estab-
nently) lishing D-channel Layer 1 or
Layer 2
Blinking ISDN hardware error
If the LED of an ISDN interface automatically goes off in TE mode, this
does not indicate an error at the S
ISDN connections and PBXs switch the S
mode after a certain period of inactivity. When needed, the S
automatically reactivates and the ISDN status LED illuminates in
green.
Interface switched off.
On (permanently) Analog connection is switched on. Handset on-hook or
the device is not connected.
Blinking Call being established from LANCOM towards the terminal
equipment (ringing)
Chapter 2: Installation
NT mode
(internal ISDN connec-
tion)
Interface switched off.
When switched off, the line
may, under certain circum-
stances, still be connected to
another ISDN interface via a
life-line relay.
D channel activated
Abort due to error in estab-
lishing D-channel Layer 1.
bus. It is in fact because several
0
bus into power-saving
0
bus
0
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