SNAP-LCM4 User’s Guide
26
LED Descriptions
The SNAP-LCM4 includes the following LEDs:
BATT
—The BATT LED is normally green. If it is red, the backup battery
is low and should be replaced.
LINE
—The LINE LED is normally green. If it is off, the controller is not
receiving power. If the LED is red, power is outside specifications.
STAT
—The STAT LED is normally green. If it blinks red or is off, see
Chapter 4—Troubleshooting.
TX
— Each communication port has a TX LED, which is on whenever
the controller is actively transmitting data through that port.
RX
— Each communication port also has an RX LED. It is on
whenever the controller is actively receiving data through that port.