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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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