
16
SMG digital gateway
Solid red
Non-critical device failure
Solid yellow
Non-critical warnings, no failures
Solid green
Normal operation
Status
Solid green
Normal operation
Off
Device power lost
Sync
Off
Synchronisation sources not defined
Solid green
Synchronisation from source available
Solid red
Synchronisation from source unavailable
Table 3.2—LED Indication During Device Startup and Reset to Factory Defaults
No.
LED
Reset to Factory Defaults
(Device Is On)
Sync
Alarm
Status
1
Yellow
Yellow
Yellow
Press the
F
button and hold for 1 second until the following
pattern appears, then release the button. The device reboot
will start in 3 seconds.
2
Off
Off
Yellow
The device is powered on, the operating system is not loaded.
3
Off
Green
Green
The gateway operating system is being loaded. When the
pattern appears, press the
F
button and hold it for 40–
45 seconds to change network parameters and restore the
device configuration to factory defaults.
4
Off
Yellow
Yellow
When the pattern appears, release the
F
button.
After a while, the following message will be displayed in the
console.
<<<BOOTING
IN
SAFE-MODE.RESTORING
DEFAULT
PARAMETERS>>>
Reset to factory defaults is complete.
The device can also be reset to factory defaults during startup.
Skip step 1 in this case.
Ethernet interface status is also shown by LED indicators built in the 1000/100 connector.
Table 3.3—LED Indication for Ethernet 1000/100 Interfaces
Device Status
LED/Status
Yellow LED 1000/100
Green LED 1000/100
The port is in the 1000Base-T mode, no data transfer
Solid on
Solid on
The port is in the 1000Base-T mode, data transfer
Solid on
Blinking
The port is in the 10/100Base-TX mode, no data transfer
Off
Solid on
The port is in the 10/100Base-TX mode, data transfer
Off
Blinking
Table 3.4 shows E1 streams indication.