Front-Of-The-Case Lights (External Faxmodems); Top-Of-The-Case Lights (Voice Faxmodem Pro Externals) - US Robotics 3CP5613 User Manual

Front-of-the-Case Lights (External
Symbol Meaning
AA...........Auto Answer
CD ...........Carrier Detect
RD ...........Received Data
SD............Send Data
TR............Data Terminal Ready
CS............Clear to Send
ARQ/ .......Error Control/
FAX.........Fax Operations

Top-of-the-Case Lights (Voice Faxmodem Pro Externals)

Light What It Means When Lighted
POWER.................... The modem is turned on.
SEND ....................... The computer is sending a data bit to the modem.
RECEIVE ................. The modem is sending result codes or passing received data bits from the remote.
ONLINE ................... The modem is online. (NOTE: This light blinks when the mute feature is being used.)
8-2
T
ECHNICAL
Faxmodems)
Status
Answer mode: ON when register S0 is set to 1 or higher (Auto Answer), and when answering a call; OFF
when modem originates a call. Light flashes when there is an incoming call.
ON if modem receives a valid data signal (carrier) from a remote modem, indicating that data transmission
is possible. Always ON if CD override is ON (&C0).
Flashes when modem sends result codes or passes received data bits from remote.
Flashes when computer sends a data bit to modem.
ON if modem receives a DTR signal from computer. Always ON (modem ignores DTR) if the DTR override
is ON (&D0).
ON until modem lowers CTS when Transmit Data hardware flow control is enabled (&H1, &H3).
Data Mode: Automatic Repeat Request. ON if modem is set to &M4 or &M5 and successfully establishes an
error control connection. Flashes when modem retransmits data to remote modem. Fax Mode: flashes to
indicate fax mode.
R
EFERENCE