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UCR-ST-B8
Ethernet Port LEDs
ACTION
LED turned ON
LED turned OFF
LED blinking
LEDs light up and turn OFF in
sequence from WAN port to LAN1
port
* The bootloader menu is a special router state from which certain upgrades can be performed
Connection Status LED
The LED displays the router's current connection state and network type
ACTION
Green and red blinking alternatively
ever 500 ms
Green, red and orange blinking
alternatively every 500 ms
Red blinking every 1 sec
Orange blinking every 1 sec
Green blinking every 1 sec
Red lit and blinking rapidly while
data is being transferred
Orange lit and blinking rapidly while
data is being transferred
Green lit and blinking rapidly while
data is being transferred
Signal Strength LEDs
Each lit up LED represents a different value of the router's current signal strength in RSSI:
NO. OF LIT UP LEDs
0
1
2
3
4
5
All 5 LEDs are lit up after pressing and holding the reset button to initiate a factory reset.
DESCRIPTION
Operating as a 10/100 Mbps connection
No link established
Connection established and there is activity on this port (data
being transferred)
The router is in the bootloader menu state*
DESCRIPTION
No SIM or bad PIN
Connecting to GSM
Connected 2G, no data session established
Connected 3G, no data session established
Connected 4G, no data session established
Connected 2G with data session
Connected 3G with data session
Connected 4G with data session
SIGNAL STRENGTH VALUE
≤ -111 dBm
-110 dBm to -97 dBm
-96 dBm to -82 dBm
-81 dBm to -67 dBm
-66 dBm to -52 dBm
≥ -51 dBm
Spectra GmbH & Co. KG
vertrieb@spectra.de
Spectra (Schweiz) AG
info@spectra.ch
3
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