Front Panel Lights - US Robotics 005689-03 Manual

Front Panel Lights

Front Panel Lights
Symbol Meaning
AA .......... Auto Answer......................Answer mode: ON when register S0 is set to 1 or higher (Auto Answer)
CD........... Carrier Detect ....................ON if modem receives a valid data signal (carrier) from a remote modem,
RD........... Received Data....................Flashes when modem sends result codes or passes received data bits from
SD ........... Send Data ..........................Flashes when computer sends a data bit to modem.
TR ........... Data Terminal Ready.........ON if modem receives a DTR signal from computer. Always ON (modem
CS ........... Clear to Send .....................ON until modem lowers CTS when Transmit Data hardware flow control
ARQ/ Error Control/
FAX ........ Fax Operations ..................ON if modem is set to &M4 or &M5 and successfully establishes an error
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Status
and when answering a call; OFF when modem originates a call. Light
flashes when there is an incoming call.
indicating that data transmission is possible. Always ON if CD override
is ON (&C0).
remote.
ignores DTR) if the DTR override is ON (&D0).
is enabled (&H1, &H3).
Data Mode: Automatic Repeat Request.
control connection. Flashes when modem retransmits data to remote
modem. Fax Mode: Flashes to indicate fax mode.