Status Indication; Value Ranges Of Signal Strength For Different Technologies - Advantech LR77 v2 Series User Manual

5.7.1 Status indication

About router status inform eight LED indicators on the front panel. ETH port, PORT1 and
PORT2 have two additional LEDs that provide information about port status.
Caption Color State
PWR Green Blinking
On
Fast blinking
DAT Red Blinking
WAN Yellow 1x flash per sec.
2x flash per sec.
3x flash per sec.
USR Yellow Function of this LED diode can be selected by user.
OUT Green On
IN Green On
ETH Green On
Off
ETH Yellow On
Blinking
Off
PORT Green Depends on the expansion port (see user's manual for used port).
PORT Yellow Depends on the expansion port (see user's manual for used port).
SIM1 Yellow On
SIM2 Yellow On
State indication of WAN LED is updated every 10 seconds.
GPRS/EDGE (RSSI)
> -70 dBm
-70 dBm to -89 dBm
< -89 dBm
Table 11: Value ranges of signal strength for different technologies.
1
Or the difference between neighbouring cells is exactly 3 dBm.
2
Or the difference between neighbouring cells is smaller than 3 dBm.
Description
Router is ready.
Starting of the router.
Updating firmware.
Communication in progress on radio channel.
Signal strength is good.
Signal strength is fair
Signal strength is poor
See table
Binary output active.
Binary input active.
Selected 100 Mbit/s.
Selected 10 Mbit/s.
The network cable is connected.
Data transmission.
The network cable is not connected.
The first SIM card is active.
The second SIM card is active.
Table 10: Status indication
UMTS/HSPA (RSCP)
> -75 dBm
-75 dBm to -94 dBm
< -94 dBm
16
1
.
2
.
11 for value ranges of signal strength.
LTE (RSRP)
> -90 dBm
-90 dBm to -109 dBm
< -109 dBm
LR77 v2
Signal strength
good
fair
poor