Sierra Wireless MP 875 - Manual (Page 44)

MP875 Modem User Guide
44 2130808
Status indicators
The MP modem’s indicator panel includes four indicator
lights.
Figure 4-1: The indicator panel of the MP modem.
The following table shows the behavior of the LEDs during
normal MP modem operation:
Power indicator GPS indicator
Transmit (Tx)
indicator Receive (Rx)
indicator
Table 4-1: LED operation
LED Behavior Indicates
Power Off MP modem is not powered.
Rapid flashing MP modem is powered and has not acquired
network service.
Slow flashing (about 1.5 seconds
between flashes) MP modem has acquired network service.
On solid MP modem has established a network
connection.
Tx Flashing MP modem is transmitting data.
Rx Flashing MP modem is receiving data.
GPS Off GPS module is not active.
Flashing GPS module is active but not receiving valid
fixes.
Solid GPS module is active and providing valid fixes.