3 MessageSaver Operation
Indicator Lights
The MessageSaver has ten LED indicators on the front panel that indicate status, configuration, and activity:
TD Transmit Data. The TD indicator flashes when the modem is transmitting data to another modem.
RD Receive Data. The RD indicator flashes when the modem is receiving data from another modem. It also flashes when the modem is in update mode (send- ing faxes, messages, etc., to the computer).
CD Carrier Detect. The CD indicator lights when the modem detects a valid carrier signal from another modem. It is on when the modem is communicating with the other modem and off when the link is broken.
5656K Mode
33V.34 Mode
14V.32bis Mode (14,400 bps). The 14 indicator lights whenever the modem con- nects using the V.32bis protocol.
Note: Although the modem can connect at lower than V.32bis speeds, no speed indicator lights during the connection.
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TR Terminal Ready. The TR indicator lights when a communication program is using the modem. It means the modem is ready for an outgoing or incoming call. It goes off when the communication program disconnects the serial port. When it goes off, a connected modem will disconnect.
EC Error Correction (V.42). The EC indicator lights continuously when the modem is in V.42 error correction mode, and flashes when compression is activated. When the modem is offline, the EC indicator flashes to indicate that one or more voice messages have been received.
FX Fax. The FX indicator lights when the modem is in fax mode. When the modem is offline, the FX indicator flashes to indicate that one or more faxes have been received.
Note: When you turn on the modem, the speed indicators flash briefly as the mo- dem does a
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