Motorola SB6121 Quick Reference Guide - Page 3

Quick Reference Guide: Motorola SB6121 Front Panel Display The front panel LEDs should be used during installation, configuration, and troubleshooting. Use them as a visual reference for how and what the modem is performing. Key Light Off Flashing 1 POWER Power is This light should not flash disconnected 2 RECEIVE Receive channel not Scanning for a receive found (downstream) channel On Green: Power is properly connected Green: Downstream channel is connected 3 SEND Send channel not found Scanning for a send (upstream) channel Blue: Downstream channel is connected with bonded channels Green: Upstream channel is connected Blue: Upstream channel is connected with bonded channels 4 ONLINE Internet connection Scanning for configuration Connected to the Internet failed parameters 5 LINK No connection to the Transmitting or receiving Amber: A device, SB6121 Ethernet data on the Ethernet port computer, or hub is port is detected connected via the Ethernet (10Base-T) or Fast Ethernet (100Base-T) port Blue: High-speed Gigabit Ethernet connection to the PC 6 Power Powers on and off the cable modem During normal operation, the POWER, RECEIVE, SEND, and ONLINE lights are ON. The LINK light flashes when the cable modem is transferring data. Technical Operations Academy Page 3 of 5