Operations And Troubleshooting; Indicators - Black Box 232/CL-E Manual

RS-232 ↔ CURRENT LOOP INTERFACE CONVERTER

6. Operations and Troubleshooting

6.1 Indicators

TX LED
On Continuously: Indicates
(1) receive current loop not
attached; (2) no current flowing;
or (3) you have an open loop.
Check the polarity of the receive
loop and/or the active/passive
options.
Off: The CL050 is not connected to
an AC outlet or loop current is
flowing continuously (which is
normal in an idle state).
Flashing: Data is being transmitted
from the RS-232 port to the RS-
232C interface.
20
RX LED
On Continuously: Error. Call
Technical Support.
Off: No data being received by the RS-
232 port.
Flashing: Data is being received by the
RS-232 port from the RS-232C
interface.