User guide

NTC-40 Series Quick Start Guide 3
NetComm Wireless M2M Series - NTC-40 Series
Overview of LEDs
Overview of Indicator Lights
LED Display Description
POWER (red) Solid ON The red Power LED indicates correct power is applied to
the DC power input jack.
Tx Rx (amber) Solid ON The amber LED will light upon data being sent to or
received from the cellular network.
DCD (green) Solid ON The amber Carrier Detect LED illuminates to indicate a
Data connection.
Service Type
(green)
The green LED will illuminate when cellular network coverage is detected.
Solid ON 3G: indicates UMTS/HSPA available coverage
Blinking EDGE: indicates EDGE available coverage
Off 2G: indicates GSM/GPRS available coverage only.
RSSI (green) This green LED indicates the Received Signal Strength. There are three
possible states that the RSSI LED can operate in, based upon signal level.
Solid ON STRONG - Indicates the RSSI level is -86dBm, or greater
Flashing
once per
Second
MEDIUM - Indicates the RSSI level is -101dBm and
–86dBm, (medium)
Off POOR - Indicates the RSSI level is less than
-101dBm (poor)