Ieee1394 Interface; Protocol; Chapter 1 Product Description - Epson Stylus Pro 4400 Service Manual

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

1.6.2 IEEE1394 Interface

Stylus Pro 4400/4800 only
C H E C K
P O I N T
FEATURES
IEEE Std.1394-1995, 1394a-2000 compliant
400Mbps
1port (Standard 6-pin receptacle)
Power Class: POWER_CLASS=000
Node does not need power and does not repeat power.
Bi-directional data communication between the IEEE 1394 equipped
host and the printer.
SPECIFICATIONS
Data transmission: Half-duplex, Data/Strobe differential
Synchronization: DS-Link bit level encoding
Encode/Decode: DS-Link bit level encoding
Connector: IEEE 1394-1995 compliant plug (6 contacts)
SIGNAL ASSIGNMENT AND SIGNAL DEFINITION OF INPUT CONNECTOR PIN
Table 1-49. Signal assignment and signal definition of input connector pin
Contact number Signal name
1 VP
2 VG
Product Description
Comment
Cable power
Cable ground
Table 1-49. Signal assignment and signal definition of input connector pin
Contact number Signal name
3
4
5
6

PROTOCOL

SB-2 (ANSI NCITS 325-1998) compliant
EP-PPDT (Based on IEEE 1394.3 specification)
Interface
Comment
TPB*
Strobe on receive, data on transmit
(differential pair)
TPB
TPA*
Data on receive, strobe on transmit
(differential pair)
TPA
Revision C
107