Epson Stylus Scan 2500 - Manual (Page 278)

Product Specifications B-13
R4C427_V2
long.bk
Rev_C
A5 size SPEC.FM
2/1/00 Pass 2
R Proof Sign-off:
K. Nishi, K. Gazan _______
N. Nomoto
_______
J. Hoadley _______
Forward channel
Reverse channel
USB interface
The Stylus Scan’s built-in USB interface is based on the standards
specified in the Universal Serial Bus Specifications Revision 1.0
and the Universal Serial Bus Device Class Definition for Printing
Devices Version 1.0. This interface has the following
characteristics.
Data format 8-bit parallel, IEEE-1284 compatibility mode,
IEEE-1284 ECP mode
Synchronization STROBE pulse
Handshake timing BUSY and ACKNLG signals
Signal level TTL compatible
Connector 57-30360 Amphenol connector or equivalent
Transmission mode IEEE-1284 Nibble mode, IEEE-1284 ECP mode
Adaptable
connector 57-30360 Amphenol connector or equivalent
Synchronization Refer to the IEEE-1284 specification
Handshaking Refer to the IEEE-1284 specification
Signal level IEEE-1284 Level 1 device
Data transmission
timing Refer to the IEEE-1284 specification
Standard Based on Universal Serial Bus Specifications
Revision 1.0, Universal Serial Bus Device Class
Definition for Printing Devices Version 1.0
Bit rate 12 Mbps (full speed device)
Data encoding NRZI