EPSON Stylus Pro 9000 Revision B
Product Description Interfaces 28
1.4 Interfaces
The EPSON Stylus Pro 9000 is equipped with parallel and Macintosh serial
interfaces and a card slot for an optional Type-B interface. This section
provides information on each interface.
SERIAL INTERFACE
Table 1-25. Pin Assignment
X-ON/X-OFF, DTR protocol:
Table 1-26. X-On/X-Off and DTR Protocol
Table 1-24. Serial Interface
Description
Transmission mode Based on RS-423
Synchronization Synchronous
Transfer speed About 1.8 Mbps
Data format
Start bit: 1 bit
Data bit: 8 bits
Parity bit: None
Stop bit: 1 bit
Handshaking X-ON/X-OFF, DTR protocol
Adaptable connector 8-pin mini-DIN
Recommended I/F cable Apple system peripheral-8 cable (M0197)
Pin No.
Signal
Name
I/O Description
1 SCLK O Synchronous clock signal
2 CTS I Clear To Send
3 TXD- O Transmit Data (-)
4 SG I (Signal Ground)
5 RXD- I ReceiveData(-)
6 TXD+ O Balanced Transmit Data (+)
7 DTR O Data Terminal Ready
8 RXD+ I Balanced Receive Data (+)
State Buffer Space X-ON/X-OFF DTR
Busy Less than 3072 bytes Send X-OFF code OFF
Ready More than 5120 bytes Send X-ON code ON
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