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Using this Chapter
IEEE 1394 Topology
and Terminology
PC w/ IEEE 1394-to-PCI
host adapter
HP E8491A IEEE 1394
Chapter 4
IEEE 1394 Fundamentals and
This chapter contains reference information on the IEEE 1394 Serial Bus,
the data transfer protocol, and on the related hardware. The contents of the
chapter include:
•
IEEE 1394 Topology and Terminology . . . . . . . . . . . . . . . .
•
IEEE 1394 Data Transfer Protocol . . . . . . . . . . . . . . . . . . . .
•
The OHCI-Compatible Host Adapter and Interface Cable . .
•
The HP E8491B PC to VXI Interconnect . . . . . . . . . . . . . . .
•
The HP I/O Libraries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optimizing the IEEE 1394 bus must include an understanding of the
topology and terms associated with its use. Figure 4-1 shows a VXI system
consisting of a PC and three VXI mainframes - interconnected with the IEEE
1394 bus.
hop
root
node
branch
node
hop
to VXI interconnect
leaf
node
Figure 4-1. IEEE 1394 Topology and Terms.
Interface Overview
VXI mainframe 1
parent
leaf
hop
node
VXI mainframe 2
child
IEEE 1394 Fundamentals and Interface Overview
Chapter 4
57
59
61
62
64
VXI mainframe 3
child
57
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