Version: 1.5
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Second, after system self testing is completed, the ACT LED will begin to blink. Then connects
one of two uplink ports of IVD with a blue RJ-45 cable, and the UP1 or UP2 LED will blink.
Furthermore, IVD provides signal LED for CR (Critical Alarm), MS (Major Alarm), MN (Minor Alarm)
and 24 ADSL ports. All these LEDs are depicted in Figure 2-10 and the function of each LED has
been described in Table 2-4.
Figure 2-10. IVD LED indication
Table 2-4. IVD front panel LED and description
LED
Indication Description
Remarks
Green
Power ON
PWR
OFF
Power OFF
100-240VAC/
-42V ~ 56VDC
Green
Blink when VoIP system is active
VACT
OFF
When VoIP System is inactive
Green
Blink when DSL system is active
ACT
OFF
When DSL system is inactive
Green
VoIP System alarm is active
ALM
OFF
VoIP System alarm is inactive
Green
Ethernet link is established
OFF
No Ethernet link established
LNK
Blinking
Packets in incoming/outgoing
Green
The speed for Ethernet is 1000M,when LNK
LED is ON (MGN is 100M)
1000
(UP)
100
(MGN)
OFF
The speed for Ethernet is 100M when LNK
LED is OFF
Green
The transmitted mode for Ethernet is in full
duplex mode when LNK LED is ON
UP/MGN
FDX
OFF
The transmitted mode for Ethernet is in half
duplex mode when LNK LED is OFF
Red
Critical Alarm is active
CR
OFF
Critical Alarm is not active
Red
Major Alarm is active
MJ
OFF
Major Alarm is not active
Yellow
Minor Alarm is active
MN
OFF
Minor Alarm is not active
Green
DSL link is established
Blinking
The DSL link is training
DSL
OFF
DSL link is not established
1~24
Green
VoIP is active
Blinking
VoIP is ringing
VoIP
OFF
VoIP is inactive
1~24
