Allied Telesis AT-LX3800U - Manual (Page 27)

AT-LX3800U Multi-Service Transport System Installation and Maintenance Guide
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Table 6 describes the line side Sync LED.
System LEDs To the right of the RS-232 terminal port are four system LEDs, as shown in
Figure 7 and described in Table 6.
Figure 7. System LEDs
Table 5. Line Side Sync LED
State Description
Fast flashing green The RX path signal is synchronized.
Slow flashing green The TX path signal is synchronized.
Solid green Both the RX and TX path signals are
synchronized.
Off No activity.
125
CLASS 1
LASER PRODUCT
100 10
10/100Base-TX RS-232
TERMINAL
FT
CO
PA
PB
RESET
Table 6. System LEDs
LED Definition State Description
FT Fault Solid red System fault.
CO Console Solid green User is logged in to the system
through the RS-232 terminal port.
Flashing green A management software update is
being downloaded through the
RS-232 terminal port.
PA Power supply
slot A Solid green Normal operation.
Fast flashing green The output of the power supply in slot
A is not OK.
Slow flashing green The operation of the power supply in
slot A is normal but one or two fans
have failed.