Printronix T4204 User Manual
82
Chapter
3
Menu Options
Serial
Interface Type
This parameter allows you to select either the RS-232 or RS-422 serial port
interface.
interface.
Data Protocol
You can select one of the following serial interface protocols to meet the host
interface requirements.
interface requirements.
•
XON / XOFF. The printer controls the flow of communication from the
host by turning the transmission on and off. In some situations, such as
when the buffer is full or the timing of signals is too slow or too fast, the
printer will tell the host to stop transmission by sending an XOFF
character. An XOFF character is sent when the number of empty bytes in
the buffer is less than or equal to 25 percent of the buffer size.
host by turning the transmission on and off. In some situations, such as
when the buffer is full or the timing of signals is too slow or too fast, the
printer will tell the host to stop transmission by sending an XOFF
character. An XOFF character is sent when the number of empty bytes in
the buffer is less than or equal to 25 percent of the buffer size.
SERIAL
(from page 54)
Interface
Type
Data Protocol
Baud Rate
Word Length
Stop Bits
Parity
RS-232*
RS-422
RS-422
XON/XOFF*
ETX/ACK
ACK/NAK
Series 1 Char
Series 2 Char
DTR
ETX/ACK
ACK/NAK
Series 1 Char
Series 2 Char
DTR
600
1200
2400
4800
9600*
38400
57600
115200
1200
2400
4800
9600*
38400
57600
115200
8 bits*
7 bits
7 bits
1 stop bit*
2 stop bits
2 stop bits
None*
Odd
Even
Mark
Sense
Odd
Even
Mark
Sense
* = Factory Default
Data Terminal
Ready
Request
To Send
To Send
Buffer Size
In K
True*
On-Line and BNF
Off-Line or BF
On-Line
False
On-Line and BNF
Off-Line or BF
On-Line
False
On-Line and BNF*
Off-Line or BF
On-Line
False
True
Off-Line or BF
On-Line
False
True
1*
(1-16)
(1-16)
Poll
Character
Poll
Response
One Char
Enquiry
00 Hex*
(00-FF hex)
(00-FF hex)
0 ms*
(0-30)
(0-30)
Disable*
Enable
Enable
Printer Status
Disable*
ENQ/STX
ENQ
ENQ/STX
ENQ
Idle
Response
Disable*
Enable
Enable