Description Of The; Dcm212 - Tandy DCM212 Operation Manual

Description of the
DCM212
1
When
power
is
first
applied, several indicators
on
the
DCM
212's front
panel
will
illuminate
—
and
remain
lighted,
depending
on
the
status
of
the computer's protocol and
DIP
switch
settings.
These
7 indica-
tors
show
the
Modem's
internal
and
external operation
status.
(D CD
®
®
® ®
®
o
iOFF
6 6
6 6
6
6
POWER
I
HI-SPEED
'
OFF
HOOK
I
TERMINAL
|
CARRIER
j
TRANSMIT
|
RECEIVED
READY
DETECT
DATA
DATA
ON
TANDY
1200 BPS INTEUIGEHT HODEW DCM
21
2
T^T
T5T
®
Figure
1,
Front Control Panel
®
Power
switch turns the
Modem
ON
or
OFF. Be
sure to
turn
it
OFF
when
the
Modem
is
not being
used.
©
POWER
indicator
lights
when
power
is
on.
©
HI-SPEED
indicator
lights
when
the
Modem
is
in
high speed
(1200
bps) communications.
®
OFF
HOOK
indicator
lights
when
the
Modem
is
ON
LINE
(con-
nected
to the
phone
line).
®
TERMINAL READY
indicator
lights
when
the terminal
is
sup-
plying
DTR
(Data Terminal
Ready).
®
CARRIER DETECT
indicator
lights
when
the
Modem
receives
a
carrier
tone or
generates a
false carrier.
®
TRANSMIT DATA
indicator blinks
when
the
Modem
is
transmit-
ting data.
®
RECEIVED DATA
indicator blinks
when
the
Modem
is
receiving
data.