US Robotics COURIER - Page 116

COURIER HIGH SPEED MODEMS
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Symbol Meaning
Status
RS
Request to
ON if your terminal or software supports RTS
Send
and sends the RTS signal. OFF if the Courier is
set to &R2 (Received Data hardware flow
control) and the computer or terminal lowers
RTS.
cs
Clear to Send
ON until the modem lowers CTS when Trans-
-
mit Data hardware flow control is enabled
(&Hl, &H3). Always ON during synchronous
connections.
~
SYN
Synchronous
ON when the modem is set to &Ml and
Mode
enters synchronous mode.
-
ARQ/ Error Control/
Data Mode: Automatic Repeat Request.
ON
FAX Fax Operations
when the Courier is set to &M4 or &MS and
successfully connects with another modem
under error control. Flashes randomly when
the Courier retransmits data to the remote
modem.
--
Fax Mode:
Flashes steadily to indicate fax
mode.
~
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Summaries and Tables 8-5