Campbell NL240, Instruction Manual

Page: 48 / 74

Appendix B. Cables, Pinouts, LED Function, and Jumper
B.3 USB
The USB cable is the supplied USB A to micro B style cable (Campbell
Scientific part number 27555). This is used only for device configuration.
TABLE B-3. USB Micro-B
Pin Function
1 VBUS (Not Used)
2 Data -
3 Data +
4 N/C
5 GND
B.4 Power
TABLE B-4. Power In
Pin Function
Center 7 – 20 Vdc
Sleeve Power GND
B.5 LEDs
TABLE B-5. Power LED (Red)
State Description
Off Device powered off.
On solid After power-up: Searching for and trying to join a Wi-Fi
network/creating an ad hoc network
Normal Operation: Low Power Mode disabled.
Double blink
every two
seconds
Low Power Mode enabled.
Single blink
every four
seconds
Asleep (by use of the IPNetPower instruction in the
datalogger when in Bridge Mode)
Fast single
blink
OS Download in progress – DO NOT DISCONNECT
POWER
B-2