User`s manual

2-2
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HDSL NTU
Figure 2-1 Front Panel
HDSL Termination Unit
E
Figure 2-2 Front Panel
1. LED Indicators
There are eight LEDs on the front panel of the WireSpan 3000/3000E
. These LEDs display the real-time status of the
WireSpan 3000/3000E.
Table 2-1 lists the LEDs and describes their function.
Table 2-1 WireSpan 3000 LED Description
LED Name Description
PWR Power Lights to indicate that the power is apply
to the device
L1 HDSL Loop1 Lights to indicate that HDSL loop1 is in
sync
L2 HDSL Loop2 Lights to indicate that HDSL loop2 is in
sync
ALM Alarm Lights to indicate the alarm conditions in
HDSL
TST Test Mode Lights to indicate that the device is in test
mode
SYN Frame Sync Lights to indicate that the device has
synchronized to the E1 receive signal