Connecting the Modem
Terayon TJ 700 Series DOCSIS Cable Modem Installation Guide
15
Reading Your Modem Lights
The indicator LEDs on the front panel of the Terayon cable modem tell you what’s
happening during a communications session. The table below tells you what each
LED indicator means
LED Color
Definition
Power
Green
•
Dark when power is Off.
•
Solid when power is On.
Cable
Green
•
Dark for no downstream RF carrier present or power
Off.
•
Flashing slowly for downstream RF carrier present
and ranging in process.
•
Flashing fast when registration is in process, or if
flashing fast continuously, network access has been
disabled by your cable company.
•
Solid for modem registration complete and ready to
transfer data.
PC
Green
•
Dark when no carrier is present to or from PC, or
power is Off.
•
Solid when carrier is present to or from PC.
Data
Green
•
Dark when no data is passing through modem or
power is Off.
•
Flashing when data is passing through modem.
Test
Amber
•
Dark when initial modem self-test is OK, or power is
Off.
•
Flashing when modem self-test is in process, or
when modem is receiving software updates.
•
Solid when modem fails the initial self-test.
Power
Cable
PC
Data
Test
