VSC874 查看數據表（PDF） - Vitesse Semiconductor
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VSC874 Datasheet PDF : 2 Pages
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NETWORK PRODUCTS
VSC874
GigaStream® 10 Gbps Queue Manager with Integrated SPI4.2 Interface
VSC874
10 Gbps GigaStream Queue Manager
SPI4.2
PHY
LOGIC
Packet
Segmentation
Static
Load
Balancer
DDAATTAAPPRROOCCEESSSSIINNGG
Packet
Reassembly
...
Reassembly Buffers
PPaararalllelel l
InInteterfrafaccee(C(CPPUU) )
I2I2CCInInteterfrafaccee
(C(CPPUU) )
JJTTAAGGInInteterfrafaccee
Ingress Queues
...
QQUUEEUUININGG/S/SCCHHEEDDUULLIINNGG
...
Egress Queues
Ingress Queues
...
QQUUEEUUININGG/S/SCCHHEEDDUULLIINNGG
...
Egress Queues
HSSL
Load
Balancer
HHSSSSL L
MMAANNAAGGEERR
Reorder
Manager
HSSL
Load
Balancer
HHSSSSL L
MMAANNAAGGEERR
Reorder
Manager
FEATURES:
SPI4.2 Interface
16 High-speed Serial Links
Dual Ingress and Egress Queuing Engines
Direct Mode
Fabric Mode
Framer Interface
Packet Interface
Interfaces with Existing GigaStream Devices
Automatic Load Balancing Across Switch Chips
BENEFITS:
A standard 10 Gbps Interface
Provides 40 Gbps of Backplane Bandwidth
Can Provide Eight Traffic Classes Per Queuing Engine
No Switch Chip is Needed Supports Mesh Mode Configuration
Can Operate in a Dual Star Fabric Configuration
Can Connect Directly to Framers or Macs
Can Connect Directly to NPUs and CPUs
Can Easily Operate with Existing GigaStream Devices
Traffic is Only Sent to Active and Working Switch Chips
APPLICATIONS:
IP Service Appliances
3G Wireless Platforms
Edge/Access Routers
Media Gateways
Multi-service Provisioning Platforms
PB-VSC0874-001
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