AMT Datasouth Documax A6300 - Manual (Page 128)

SIGNAL PIN NO MODEM
CONTROL
MODEM CONTROL
DTR 20
11 When the printer is ready
to accept data, this line will
be high (+ EIA LEVEL).
This line will go low (-
EIA LEVEL) when:
a. Print buffer is nearly
full (within 512 bytes).
b. Paper out condition
exits.
c. Carriage jam condition
detected.
d. Printer is off line.
When the printer is ready to accept data ,
this line will be high (+ EIA LEVEL). This
line will go low (- EIA LEVEL) when:
a. Print buffer is nearly full (within 512
bytes).
b. Paper out condition exits.
c. Carriage jam condition detected.
d. Printer is off line.
RTS 4 This signal will always be
held high. RTS will be held high when the interface is
ready to transmit data.
CTS 5 CTS is always assumed
high. The interface will monitor the CTS signal
generated by the host in response to RTS.
When this signal goes on (high), the host is
ready to receive data.
DSR 6 DSR is always assumed
high. If DSR is low, the interface will ignore all
data received on the serial port. This signal
must hold high for the interface to receive
and transmit data.
DCD 8 Same as DSR. Same as DSR.
B-8