55
Closing a Communications Port
Section 4-5
DTR Signal
CTS and DSR Signals
CS is monitored constantly if CTS_ON is set. DSR is only checked when
printing starts.
Note
1.
The CTS signal is checked when data is being transmitted by the PRINT
command if CTS_ON is used. If CTS is OFF, data transmission is stopped.
If CTS is ON, transmission will resume (RTS/CTS flow control performed
at the receive buffer of the peripheral devices).
2.
The DSR signal is checked when the PRINT command is started if
DSR_ON is used. If DSR is OFF, the Unit will wait to send, and if DSR is
ON, data will be transmitted.
Device symbol
(peripheral
device name)
Executing RUN
Ports opened by
OPEN#
command
Receiving data
with INPUT#
command or
INPUT$ function
Sending data
with PRINT#
command
Ports closed
Port #1: TERM
and COMU
(Port #3 for
ASC31)
ON
ON
ON
ON
ON
Port #2: COMU
(Ports #1 and #2
for ASC31)
OFF
OFF to ON
ON
ON
ON to OFF
Port #1: KYBD
(Port #3 for
ASC31)
ON
ON
ON
---
ON
Port #2: KYBD
(Ports #1 and #2
for ASC31)
OFF
OFF to ON
ON
---
ON to OFF
Port #1: SCRN
and LPRT
(Port #3 for
ASC31)
ON
ON to OFF
---
OFF
OFF to ON
Port #2: SCRN
and LPRT
(Ports #1 and #2
for ASC31)
OFF
OFF
---
OFF
OFF
Device symbol
(peripheral
device name)
Transmission
control signal
operation
setting
Executing
RUN
Ports opened
by OPEN#
command
Receiving data
with INPUT#
command or
INPUT$
function
Sending data
with PRINT#
command
Ports closed
Port #1: TERM,
COMU, SCRN,
and LPRT
(Port #3 for
ASC31)
Port #2: COMU,
SCRN, and
LPRT
(Ports #1 and
#2 for ASC31)
CTS_ON
No check
No check
No check
If CTS is OFF,
data
transmission is
stopped.
(See note 1.)
No check
CTS_OFF
No check
No check
No check
No check
No check
DSR_ON
No check
No check
No check
If DSR is ON,
data is
transmitted.
(See note 2.)
No check
DSR_OFF
No check
No check
No check
No check
No check
Summary of Contents for C200H-ASC11
Page 1: ...C200H ASC11 ASC21 ASC31 ASCII Units Operation Manual Revised June 2000...
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Page 4: ...vi...