User's Manual
YML6908 NTC-6000 Series User Guide
www.netcommwireless.com
7
Hardware Overview
LED Overview
There are a total of five LED’s on the router.
Listed below are the specifications of the LED’s and their corresponding colours.
Figure1:NTC‐6000SeriesLEDs
LED DISPLAY DESCRIPTION
POWER (red) Solid ON The red Power LED indicates power has been applied to the router from 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 green Data 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
Flashing EDGE: Indicates EDGE available coverage
Off 2G: Indicates GSM/GPRS available coverage only.
RSSI (green)
This green LED shows 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
Flashing Once a Second Medium: Indicates the RSSI level is -110dbm and -86dbm
Off Fair: Indicates the RSSI level is less than -110dbm
Table2:LEDDescriptions