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Chapter 1 Setting up Your Modem
1.2
Knowing your Modem
Familiarize yourself with the various parts of your modem. This will help you
during the installation later on.
The LED lights at the front panel of your External Modem indicates the present
status of your modem.
AA (Auto Answering)
lights up when the modem is configured to answer the ring automatically.
TR (Terminal Ready)
lights up when the computer raises the Data Terminal Ready (DTR) line,
indicating it is ready to begin communications.
CS (Clear To Sent)
lights up when the data transfer path is clear for data transmission.
OH (Off Hook)
lights up when the modem is connected to another modem and off hook.
CD (Data Carrier Detect)
lights up when the modem detects a carrier signal over the telephone line.
SD (Send Data)
lights up when the modem transmits data to the computer.
RD (Receive Data)
lights up when data is received by the modem.
AA
: Auto Answering
CD
: Data Carrier Detect
RD
: Receive Data
SD
: Send Data
TR
: Terminal Ready
CS
: Clear To Sent
OH
: Off Hook
