DT Etherlink IV
User Manual
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3.3
Alarm Indication
When managing the device via the local craft terminal (RS-232, USB) or via Telnet, all LEDs, except
the Ethernet LEDs will blink with a frequency of 1 Hz.
3.3.1 LEDs
The LEDs display the normal operation conditions and alarm conditions of a device.
Panel
Element
Description
F
ron
t P
an
e
l
DS
L
«1»,«2»
«3»,«4»
A LED showing the status of the corresponding SHDSL line
E
th
A LED showing the status of the Ethernet port
E1
«1»,«2» A LED showing the status of the corresponding E1 port
S
IF
A LED showing the status of the Serial Interface port
(usually Nx64)
Network Interface
Ethernet A RJ45 connector for Ethernet int two LEDs
E1
A RJ45 connector for Е1 int two LEDs
DSL
«1»,«2»
«3»,«4»
A RJ45 connector for the xDSL line int two LEDs
Table 3.8 LED behaviour according the device status
Device Status
Frontpanel
LED E1 Port
Frontpanel
LED DSL Line
Connector
LED E1 Port
Connector
LED DSL Line
«1», «2»
«1», «2»
«3», «4»
«1», «2»
«1», «2»
«3», «4»
Power failure or power is off
Off
Off
Off
Off
Hardware or software failure
Red blinking
Off
Off
Off
Normal operation
Green
Green
Green
Green
Non-urgent alarm (1 Local; 2 Remote) -
Amber
-
-
Urgent alarm (1 Local; 2 Remote)
-
Red
-
-
Non-urgent alarm at E1 interface
Amber
-
Amber
-
E1 interface data is not used for
transmission into SHDSL line interface
nor for Ethernet data transmission
Off
-
Off
Non urgent alarm at the line interface
-
Amber
-
Red
Urgent alarm at the line interface
Red
Red
