Usb Interface; Specification; Signal Assignment And Signal Definition Of Input Connector Pin - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C
1.6 Interface

1.6.1 USB interface

SPECIFICATION

Standard
Universal Serial Bus Specifications Revision 2.0
Universal Serial Bus Specifications Revision 1.1
Universal Serial Bus Device Class Definition for Printing Devices
Version 1.1
Bit rate: 480Mbps (High Speed Mode)
12Mbps (Full Speed Device)
Data format: NRZI
Adaptable connector: USB Series B
Acceptable cable length: 5m
Device ID
<xx><xx> (Character strings may vary by Model Name.)
MFG: EPSON;
CMD: ESCPL2, BDC;
MDL: (8-color model);
<Stylus Pro 4800> or <Stylus Pro 4880> or <Stylus Pro 4880C>
(4-color model);
<Stylus Pro 4400> or <Stylus Pro 4450>
CLS: PRINTER;
DES: EPSON<SP>T<Stylus Pro 4800>; (8-color model)
EPSON<SP>T<Stylus Pro 4880>; (8-color model)
EPSON<SP>T<Stylus Pro 4880C>; (8-color model)
EPSON<SP>T<Stylus Pro 4400>; (4-color model)
EPSON<SP>T<Stylus Pro 4450>; (4-color model)
(<SP>: space code)
Product Description

SIGNAL ASSIGNMENT AND SIGNAL DEFINITION OF INPUT CONNECTOR PIN

Table 1-48. Signal assignment and signal definition of input connector pin
Pin No Signal name
1 VCC
2 -Data Bi-directional
3 +Data Bi-directional
4 Ground
Figure 1-25. Pin Assignment
Interface
In/Out Function description
- Cable power. Maximum power
consumption is 100mA
Data
Data, pull up to +3.3V via 1.5K ohm resistor
- Cable ground
Revision C
106