AD8159 データシートの表示（PDF） - Analog Devices
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AD8159 Datasheet PDF : 24 Pages
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AD8159
APPLICATIONS
The main application of the AD8159 is to support redundancy
on both the backplane side and the line interface side of a serial
link. Each port consists of four lanes to support standards such
as XAUI. Figure 38 illustrates redundancy in an XAUI backplane
system. Each line card is connected to two switch fabrics
(primary and redundant). The device can be configured to
support either 1 + 1 or 1:1 redundancy.
Another application for the AD8159 is test equipment for
evaluating high speed serial I/Os running at data rates at or
lower than 3.2 Gbps. Figure 40 illustrates a possible application
of the AD8159 in a simple XAUI link tester.
PHYSICAL
INTERFACE
MACs
FRAMERS
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
AD8159
LINE CARDS
PRIMARY
SWITCH
FABRIC
PHYSICAL
INTERFACE
MACs
FRAMERS
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
AD8159
BACKPLANE
Figure 38. Using the AD8159 for Switch Redundancy
REDUNDANT
SWITCH
FABRIC
FABRIC CARDS
PRIMARY
MODULE
REDUNDANT
MODULE
MACs
FRAMERS
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
Figure 39. Using the AD8159 for Line Interface Redundancy
CONNECT TO DEVICE UNDER TEST
LINE CARD
CONNECT TO PROTOCOL
ANALYZER
CONNECTOR
PORT B
PORT C
FPGA
GENERATES SIMPLE
PATTERNS
TEST CARD
Figure 40. Using the AD8159 in Test Equipment
PORT A
Rev. A | Page 18 of 24
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