Front Panel Status Lights
A-3
Issue 1 April 1994
Table A-1. LED Descriptions (2 of 2)
LED
Label
Description
SD
Send Data. When ON the computer is sending data to
the DataPort 2001. This LED follows the status of the
TXD signal, Pin 2 of the EIA RS-232 interface.
TR
Terminal Ready. When ON, the computer is attached
and ready to send data to or receive data from the
DataPort 2001. Note that if the &D command is set for
Ignore (&D0), then this LED is always ON.
If the correct COM port is not selected, this LED will not
light. The &D command (DTR Action) must be set for
standard EIA RS-232 operation (&D2) for the LED to
function this way.
When Off, data cannot flow between the two devices.
This LED follows the status of the DTR signal, Pin 20
of the EIA RS-232 interface.
MR
Modem Ready. When ON, the DataPort 2001 is ready
to send data to or receive data from the computer. This
LED follows the status of the DSR signal, Pin 6 of the
EIA RS-232 interface.
