Zhone 5246 インストール手順
12
Status LEDs
All of the LEDs turn on and off during the power-on self-test. After a successful
self-test, the LEDs should appear as indicated in BOLD in the Condition column below.
self-test, the LEDs should appear as indicated in BOLD in the Condition column below.
LED
Condition
Status
PWR
ON
RTU has power.
ALM
OFF
ON
No active alarms.
An alarm condition exists.
TST
OFF
ON
No active tests.
The TST LED is on during the power-on self-test and
during a test initiated by the NSP.
during a test initiated by the NSP.
DSL
Blinking
ON
OFF
RTU is establishing the active DSL link. The LED blinks
on and off about five times per second.
on and off about five times per second.
The DSL link is now active and ready to transmit and
receive data.
receive data.
The DSL link has not been established.
ETHERNET ON
OFF
The Ethernet 10BaseT connection to the Ethernet hub or
PC is active.
PC is active.
No Ethernet 10BaseT device is detected.
Firmware Download
The firmware download feature is available via the DSL link and the Ethernet port.
During a firmware download, the following LEDs are on:
During a firmware download, the following LEDs are on:
H
ALM
H
TST
H
ETHERNET
H
PWR