11
6619-2202
LED Indicators
LED
Status
Description
TD
Transmit data
OFF
No data
ON / FLASH The modem receiving data on the DTE interface
RD
Receive data
OFF
No data
ON / FLASH The modem transmitting data on the DTE interface
RTS
Request
to send
OFF
RTS signal is inactive
ON
RTS signal is active
DCD
Data carrier
detect
OFF
DCD signal is inactive
ON
DCD signal is active, modem has detected a carrier
or the signal is set to always ON
DTR
Data terminal
ready
OFF
DTR signal is inactive
ON
DTR signal is active
REL
Reliable mode
OFF
Reliable mode is OFF, direct or normal mode
ON
Reliable mode is ON
FLASH
Reliable mode with error correction and compres-
sion
LINE
OFF
The modem is on-hook
ON
The modem is off-hook with a established connection
FLASH
The modem is off-hook and negotiating
PWR
Power
OFF
The modem has no power
ON
The modem is up and running
FLASH
The modem is in the power-on selftest
