SB5101 Cable Modem Overview
MOTOROLA BCS CONFIDENTIAL Page 10 of 34
The indicators on the surfboard modem are designed to be helpful to both the end user and the
network operator. The indicators allow an initial diagnosis to be made as to the likely cause of
reported problem. The problems which can be diagnosed divide into the modem itself, the power
light does not go solid green; the HFC network, either the Receive or Send does not go solid
green; the IP network, the Online does not go solid green or finally the user CPE, no activity light.
LED/ Label Description (Indication)
Power OFF/Startup (post test)/
ON
Receive Scanning for RF/ Locked to
Downstream RF
Send Ranging with CMTS/
Acquired upstream RF
Online Acquiring IP connectivity/
Operational
PC Activity Indicates traffic seen by
CM
Standby Indicates state of Standby
Option
6 SB5101 Indicators and their use for diagnostic purposes.
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