3
E
N
G
LIS
H
LED Indicators
CELL1
MAIN
2.4G/5G
WIFI
WAN/LAN1
LAN2
LAN3
GNSS
PW
R
G
N
D
IG
N
D
I-1
D
I-2
D
O
TX
R
X
GNSS
DWM-321
PWR
2.4G
5G
RESET
SIMA
SIMB
SIMA
SIMB
SIMA - - - CELL 2 - - - SIMB
SIMA - - - CELL 1 - - - SIMB
GNSS
DWM-321
PWR
2.4G
5G
SIMA
SIMB
SIMA - - - CELL 1 - - - SIMB
RESET
GNSS
DWM-3
21
PWR
2.4G
5G
SIMA
SIMB
SIMA - - - CELL 2 - - - SIMB
CELL2
AUX
CELL2
MAIN
CELL1
AUX
2.4G/5G
WIFI
CEL
L1
SIMA
SIMB
CEL
L2
CELL1
CELL2
SIMA
SIMB
CELL1
CELL2
1
3
2
4
5
6
Figure 2
#
Item
Description
1
Power
A green LED indicates the router is receiving
power.
2
GNSS
A green LED indicates that the GPS tracking function
has been activated.
3
5G
A green LED indicates that the 5G Wi-Fi is in use.
4
2.4G
A green LED indicates that the 2.4G Wi-Fi is in use.
5
CELL1
SIM A - Connected to the primary cellular network’s
SIM A LTE network.
SIM B - Connected to the primary cellular network’s
SIM B LTE network.
Signal High - A green LED indicates a strong signal.
Signal Low - A green LED indicates a weak signal.
6
CELL2
SIM A - Connected to the secondary cellular network’s
SIM A LTE network.
SIM B - Connected to the secondary cellular network’s
SIM B LTE network.
Signal High - A green LED indicates a strong signal.
Signal Low - A green LED indicates a weak signal.
Table 2
DWM-321D/DWM-321