Epson Stylus Photo 1200 User Manual page 161

Serial interface
USB interface
% 
Specification
Standard
Synchronization
Bit rate
Handshaking
Word format
Connector
Recommended
cable
Specification
Standard
Bit rate
Data encoding
Adaptable
connector
Recommended
cable length
Description
Based on RS-423
Synchronous
Approximately 1.8 Mbps
X-ON/X-OFF and DTR protocol
Data bit: 8 bits
Parity bit: None
Start bit: 1 bit
Stop bit: 1 bit
8-pin mini-DIN
ImageWriter II serial cable (preferably Belkin
brand)
Description
Based on Universal Serial Bus Specifications
Revision 1.0, Universal Serial Bus Device Class
Definition for Printing Devices Version 1.0
12 Mbps (full speed device)
NRZI
USB Series B
6.5 feet (2 meters) or less