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Timing chart
The figure below shows the timing chart for the parallel
interface.
BUSY
ACKNLG
DATA
STROBE
0.5 µs (Min.)
Transition time (both the rise and the fall) of every signal must be less
than 0.2 µs.
Serial interface
The printer's built-in serial interface is based on the RS-422
standard. This interface has the following characteristics:
Standard:
Synchronization:
Bit rate:
Handshaking:
Word format:
Data bit
Parity bit
Start bit
Stop bit
Connector:
A-12
Specifications
0 µs (Min.)
Based on RS-422
Asynchronous
57.6 Kbps
DTR and XON/XOFF protocol
8 bits
None
1 bit
1 bit
8-pin mini-circular connector
0 µs (Min.)
5 µs (Typ.)
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