Installation manual

56
Figure 98 Rear panel LEDs
(1) GE port status LED (yellow) (2) GE port status LED (green) (3) ISDN link status LED (ACT)
(4) ISDN B1 channel link status LED
(B1)
(5) ADSL port status LED (6) ISDN B2 channel link status LED
(B2)
LED description
LED Location Status Descri
p
tion
System status
LED (SYS)
Front panel
Off
No power input, or exceptions have occurred on the
MPU.
Steady green The SDRAM is performing self-test.
Flashing green
(8 Hz)
The system software image is being copied and
decompressed.
Flashing green
(1 Hz)
Comware has started with the configuration file and
the router has booted up.
Flashing yellow
(1 Hz)
The SDRAM has failed the self-test.
Flashing yellow
(8 Hz)
The extended segment does not exist.
Steady yellow The system software image does not exist.
Network status
LED (INTERNET)
Front panel
Off No PPP link is present.
Steady green A minimum of one PPP link is present.
VPN status LED
(VPN)
Front panel
Off No IPsec VPN tunnel is present.
Steady green A minimum of one IPsec VPN tunnel is present.
3G status LED
(WWAN)
Front panel
Off No link is present or no network is available.
Steady green
The router has been connected to the wireless
network and is operating in 3G mode.
Flashing green
(8 Hz)
Data is being received or transmitted. The router is
operating in 3G mode.
Steady yellow
The router has been connected to the wireless
network and is operating in 2G mode.
Flashing yellow
(8 Hz)
Data is being received or transmitted. The router is
operating in 2G mode.