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Quidway AR 28 Series Routers Installation Manual
Chapter 2 System Specifications
Huawei Technologies Proprietary
2-12
1) Power switch
2) Power socket
3) Grounding screw
4) Fixed LAN interface (LAN0)
5) Fixed WAN interface (WAN0)
6) MIM SLOT1
7) MIM SLOT2
7) MIM SLOT3
Figure 2-13
Rear view of the AR 28-31
2.4.2 Panel LEDs
Ten LEDs are provided on the AR 28-30/28-31. Their meaning is explained in the
following table:
Table 2-9
LEDs on the front panel of the AR 28-30/28-31
LED
Description
POWER
Power LED.
OFF
means power is off.
ON means power is on.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system is
malfunctioning.
READY
Module status LED.
ON means the module in corresponding slot runs normally.
OFF means the module is malfunctioning or no module is
present.
ACTIVE
Activity LED.
Blinking means data is being transmitted and/or received.
OFF means no data is being transmitted or received.
1- 3
Indicates slot numbers.
LAN
Ethernet interface LED.
Green means the interface is normal.
Blinking yellow means data is being transmitted and/or
received over Ethernet.