Physical Dimensions And Indicators; Led Indicators - NetComm HSPA+ M2M User Manual

Physical Dimensions and
Indicators

LED Indicators

The NTC-40 uses 5 LEDs to display the current system and connection status.
LED
Power (red) Solid ON
Tx Rx (amber) Solid ON
DCD (green) Solid ON
The green LED will illuminate when cellular network coverage is detected.
Solid On
Service Type (green)
Blinking
Off
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
RSSI (green)
Flashing once per
second
Off
YML40V
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Figure 1 - NTC-40 LED Indicators
DISPLAY
The red Power LED indicates correct power is applied to the DC power input jack.
The amber LED will light upon data being sent to or received from the cellular network.
The green Carrier Detect LED illuminates to indicate a Data connection.
3G: indicates UMTS/HSPA available coverage.
EDGE: indicates EDGE available coverage.
2G: indicates GSM/GPRS available coverage only.
HIGH - Indicates the RSSI level is -77dBm (high), or greater.
MEDIUM - Indicates the RSSI level is -91dBm and –78dBm (medium).
LOW - Indicates the RSSI level is less than -92dBm (low).
Table 2 - LED Indicators
NTC-40 Series – HSPA+ M2M WiFi Router
DESCRIPTION
NTC-40 –HSPA+ M2M WiFi Router with Voice
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