Cable Broadband Access Connections

SB3100 Front Panel

Panel LED Descriptions

LED

Description

Power

Flashing green indicates performing startup diagnostics. Solid green indicates that the power is on and diagnostics has successfully been completed.

Receive

Flashing green indicates scanning for the downstream frequency. Solid green indicates that the downstream channel has been acquired.

Send

Flashing green indicates scanning for the upstream channel. Solid green indicates that the upstream channel has been acquired.

Online

Flashing green indicates requesting of IP address (DHCP). Solid green indicates successful completion of DHCP and activities noted above for Power, Receive and Send.

Activity

Flashing amber indicates transmission of data on the downstream or upstream connection. When the LED is off, it indicates no data transfer.

Panel LED Diagnostics

LED

Statue

Possible Problems

Suggested Actions

Power

Off

  • Power cord not properly seated.
  • Power outlet not operating.
  • Cable modem faulty.
  • Check the power cord connection
  • Check the power outlet (use test pen or plug to another power point)
  • Replace the cable modem

Power

Blinking

  • Failed start-up test
  • Reset modem if system persists. Replace cable modem

Receive

Blinking

  • Connection
  • Check RG-6 connection from TV point to Cable modem (e.g loose connection)
  • Bypass splitter if any
  • Replace with another RG-6 cable

Send

Blinking

  • Connection
  • Check RG-6 connection from TV point to Cable modem (e.g loose connection)
  • Bypass splitter if any
  • Replace with another RG-6 cable

Online

Blinking

  • Registration unsuccessful
  • Call StarHub Customer Care: 1633

Activity

No Blinking

  • Cause by Power, Receive, Send or Online.
  • Faulty Ethernet Connection or UTP Cable
  • Faulty Ethernet Card
  • Refer to the above suggested actions
  • Is the LINK indicator at the rear panel lit? If not, refer to the suggested action under LINK in Rear Panel LED Diagnostic

Rear Panel LED Diagnostics

LED

Statue

Possible Problems

Suggested Actions

LINK/ ACT (Located at the rear panel of the GI cable modem)

Off

  • PC not powered on
  • Faulty Ethernet Connection or UTP Cable
  • Faulty Ethernet Card
  • Faulty Modem
  • Check PC is switched on and the TCP/IP software is loaded
  • Reconnect the UTP cable, if unable to change UTP cable
  • Check and reseat the Ethernet Adapter card. If the problem persists, try replacing the card
  • Replace the modem
Was this page helpful to you?