Table of Contents
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Mobile Broadband Modem MBM621 User Manual
Front View
The front view of the modem is shown below:
Figure 1-1
Understanding the LEDs
The following table explains how to interpret the lights on the front of the modem
LED
Power
• Green: The modem is on and operating normally.
• Off: Power is not supplied to the modem.
Status
• Amber: Power-on self-test is in progress. If this light remains on it indicates that
• Off: Normal operation after power-on self-test.
Internet
• Blue: Excellent signal.
• Green: Good signal.
• Amber: Weak signal.
• Blinking: Data is being transmitted or received on the Internet port.
• Off: No Internet connection. This can occur if you are outside of the coverage
Ethernet
• Green: The Ethernet port is operating at 100 Mbps.
• Amber: The Ethernet port is operating at 10 Mbps.
• Blink: Data is being transmitted or received on the Ethernet port.
• Off: No device is connected to the Ethernet port.
1-2
the test failed.
area, if the SIM card is not installed in the modem, or if the SIM card has not been
activated.
v1.0, November 2007
Activity
.
Installation
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