Barnett Engineering B1474 User Manual
Page 17
6 IN DI CA TORS
The LED indicators on the front case are used to indicate modem status:
RUN
Power is on the modem.
BUSY
The modem is waiting to transmit but is held back by the squelch detector.
RTS
Request To Send from the computer is present or characters have been
re ceived into the buffer.
CTS
Clear To Send is active.
CD
Carrier is detected on the incoming channel.
RXD
On when a mark is received and off when a space is received.
TXD
On when a mark is transmitted.
The LEDs may be dis abled to con serve power by set ting SW1.1 off.
B1474
BARNETT EN GI NEERING LTD.
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