User guide

YML40V
www.netcomm-commercial.com.au
7
NTC-40 Series HSPA+ M2M WiFi Router
Physical Dimensions and
Indicators
LED Indicators
The NTC-40 uses 5 LEDs to display the current system and connection status.
Figure 1 - NTC-40 LED Indicators
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 green 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
HIGH - Indicates the RSSI level is -77dBm (high), or greater.
Flashing once per
second
MEDIUM - Indicates the RSSI level is -91dBm and 78dBm (medium).
Off
LOW - Indicates the RSSI level is less than -92dBm (low).
Table 2 - LED Indicators