User's Manual

5634RCS User’s Manual
8
l If you want to turn off your modem, set the POWER switch on the back of the modem
to the OFF position.
1.11 Modem LEDs
The modem has 9 front panel LEDs, which keep you constantly informed of the modem's
status. Figure 1-4 shows the LEDs.
MIC
MR
TR
TD
RD
OH
CD
RTS
CTS
AA
Figure 1-4. Top panel of modem
LED Meaning
AA AA
is
A
uto-
A
nswer LED. This LED goes ON when the modem is set up to
auto-answer incoming calls
CTS CTS
is the
C
lear
T
o
S
end LED. This LED goes ON when your modem
sends your computer the CTS signal, indicating that the computer can
begin transmitting data.
RTS RTS
is the
R
equest
T
o
S
end LED. This LED goes ON when your modem
receives from your computer, indicating that the computer wants to
transmit data.
CD CD
is the
C
arrier
D
etect LED. This LED goes ON when the modem detects
a remote modem's carrier signal.
OH OH
LED is the
O
ff
H
ook. This LED goes ON when the modem is off-hook
(using the telephone line).
RD RD
is the
R
eceive
D
ata LED. This LED blinks each time your computer
receives data from your modem. When data is received at a fast rate, the
LED may appear to be ON.
TD TD
is the
T
ransmit
D
ata LED. This LED blinks each time data is being
transmitted from your computer's serial port to your modem. When data is
being transmitted as fast data rates, this LED may appear to be ON.