Version: 1.5
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2.2.5 Master LED Indication
After completing the interface connection and power on the units, users can inspect the LED on
the front panel. The Master is consisted of two parts of features. One is controller for alarm,
subtend and optical feature. The others are DSL feature. The status of these features is shown in
Table 2-2.
Figure 2-6. Master subtend connection
Table 2-2. IP DSLAM master DSL LED descriptions
Green The Power LED is on when Power is applied.
PWR
OFF The Power is not applied.
Green Blink when Master is active.
M_ACT
OFF OFF when system is hanged.
Green Master critical alarm is present.
M_CR
OFF No critical alarm is present to system.
Green Master Major Alarm is present.
M_MJ
OFF No major alarm is present to system.
Green Master Minor Alarm is present.
M_MN
OFF No minor alarm is present to system.
Green Subtend interface by GE Interface.
Green when Ethernet link is established Blinks during data
transmitting/receiving.
LNK
OFF OFF means No Ethernet link established.
Green The speed for Ethernet is 1000Mbps when LNK LED is ON.
1000
OFF The speed for Ethernet is 10/100Mbps when LNK LED is ON.
Green The Ethernet is in full duplex mode when LNK LED is ON.
Gx
FDX
OFF The Ethernet is in half duplex mode when LNK LED is ON.
