Label Color State Function
VPN lg On VPN connection is up.
lg Blinking VPN is up and waiting for a connection.
m Off VPN connection down.
EXT m Off Extension is disabled.
lglylr On/
Blinking
The EXT LED indicates the state of the extension interfaces:
GNSS (default), DIO, CAN, Serial, BLE, . . . or user specific
(control via SDK or container)
The configuration is done in the UI LED settings.
Optional: the signal strength of wireless interfaces could be indi-
cated (LTE, WiFi, BLE, ..).
SYS Shows the overall system state. This could be derived from
health indicators such as:
– all services up and running
– overall throughput is normal
– CPU load is normal
– the supervisor
– . . .
– User application (state set by user in SDK or container)
lg On System operation state: normal
lg Blinking System operation state: during startup
lr On System operation state: emergency, watchdog, failure
Table 4.3.: NB1601 Status Indicators
Ethernet LEDs
The following table describes the Ethernet status indicators.
Label Color State Function
S
(Speed)
ly On Link (10 Mbit/s or100 Mbit/s
m Off No Link
L/A
(Link/Ac-
tivity)
lg On Link
lg Blinking Activity
m Off No Link
Table 4.4.: Ethernet Status Indicators
NB1601 22 User Manual for NRSW version 4.8.0.103
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