
PRODUCT OVERVIEW
8
MultiConnect
®
Cell MTC-LEU4 User Guide
Descriptions of LEDs
The top panel contains the following LEDs:
Power and Terminal Ready LEDs—The Power LED indicates that DC power is present and the TR LED
indicates when the unit is ready to receive data.
Modem LEDs—Two modem LEDs indicate carrier detection and link status.
Signal LEDs—Three signal LEDs display the signal strength level of the wireless connection.
LED Indicators
POWER
Indicates presence of DC power when lit.
TR
Terminal Ready. When lit, indicates connection to terminal emulation. When not lit,
indicates no terminal is present.
(for serial only)
CD
Carrier Detect. Indicates established data connection when lit.
(for serial only)
LS
Link Status.
OFF — No power to the cellular radio
Continuously lit — SIM is not installed, or no signal is present
Slow blink — Registered
PROG. SIGNAL
To use these LEDS, you can control them through the Appzone program which is loaded on
the device at the factory.