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AD8155ACPZ-R7 Fiches technique(PDF) 26 Page - Analog Devices

No de pièce AD8155ACPZ-R7
Description  6.5 Gbps Dual Buffer Mux/Demux
PDF  35 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD8155ACPZ-R7 Fiches technique(HTML) 26 Page - Analog Devices

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AD8155
Data Sheet
Rev. A | Page 26 of 35
APPLICATIONS INFORMATION
The main application of the AD8155 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 RXAUI. Figure 43 illustrates redundancy in an RXAUI
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. Also, the AD8155
can enable module redundancy, as shown in Figure 44, and can
be used as a four- or six-lane signal conditioning device to
enable high speed serial communication over long copper links.
FABRIC CARDS
LINE CARDS
BACKPLANE
AD8155
PHYSICAL
INTERFACE
MACs
FRAMERS
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
AD8155
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
REDUNDANT
SWITCH
FABRIC
PRIMARY
SWITCH
FABRIC
PHYSICAL
INTERFACE
MACs
FRAMERS
Figure 43. Using the AD8155 for Switch Redundancy
LINE CARD
MACs
FRAMERS
FABRIC INTERFACE
TRAFFIC MANAGERS
NETWORK PROCESSOR
PRIMARY
MODULE
REDUNDANT
MODULE
AD8155
Figure 44. Using the AD8155 for Module Redundancy
EQ
PE
EQ
ASIC 1
ASIC 2
PE
PE
EQ
PE
EQ
OUT 1
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
Z0
LOSSY CHANNEL
LOSSY CHANNEL
OUT 2
IN 3
IN 4
IN 1
IN 2
OUT 3
OUT 4
Figure 45. Using the AD8155 for Signal Conditioning



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