Diagnostics - Toshiba PCX1100U Owner's Manual

Diagnostics

The Cable Modem has five status LEDs for diagnostics. You can monitor the LEDs
during installation and during normal operations .
Table 1 shows Cable Modem status LEDs and identifies what each LED light
means. This table will help you to diagnose problems.
Function
Power Green
Cable Green
PC Green
Data Green
Test Amber
(*1) flashing slowly : flashing every 2-seconds (approximately)
(*2) flashing fast
Color
-
-
-
-
-
-
-
-
-
-
-
-
-
Table 1
: flashing every 1-second (approximately)
Definition
dark for power off
solid for power on
dark for no downstream RF carrier present or
power off
flashing slowly (*1) for downstream RF carrier
present and initial ranging in progress
flashing fast (*2) for registration in progress
solid for the Cable Modem registered and ready
to transfer data
dark for no carrier to/from PC present or power
off
solid for carrier to/from PC present
dark for no user data going through the Cable
Modem to/from PC present or power off
flashing for user data going through the Cable
Modem to/from PC present
dark for initial self-test of the Cable Modem OK
or power off
flashing for initial self-test of the Cable Modem in
progress or software down loading of the Cable
Modem in progress
solid for self-test failure of the Cable Modem
Status LEDs
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