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COURIER HIGH SPEED MODEMS
B-6 Summaries and Tables
Symbol Meaning Status
MR Modem Ready/ ON when the Courier is powered on.
Test Mode Flashes when the modems retrain, including
online fallback, or while the modem is in Test
mode.
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
(&H1, &H3). Always ON during synchronous
connections.
SYN Synchronous ON when the modem is set to &M1, &M6,
Mode &M7 and enters synchronous mode. Flashes
when Dial Security is in operation.
ARQ/ Error Control/ Data Mode: Automatic Repeat Request. ON
FAX Fax Operations when the Courier is set to &M4 or &M5 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.