Digi TransPort WR31 User Manual page 45

Hardware
5 Blinks: HSUPA mode
6 Blinks: LTE mode
SIGNAL LEDs: Indicate strength of cellular signal.
•
3 LEDs: Excellent
2 LEDs: Good
1 LED: Fair
0 LEDs: Poor or No signal
SYSTEM LED: Reserved for user-defined functions.
•
11 Earth ground
12 Digital/analog I/O connector:
connections, and a single analog input connection. For more information and wiring
diagrams, see
Digi TransPort WR Routers User Guide
An input/output connector with two digital input/output
TransPort WR31 digital and analog inputs and outputs
TransPort WR31 hardware
.
45