參數(shù)資料
型號： LXT980QC
英文描述： LAN HUB CONTROLLER
中文描述： 局域網(wǎng)集線器控制器
文件頁數(shù)： 20/96頁
文件大?。?/td> 1309K
代理商： LXT980QC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
20
Datasheet
2.0
Functional Description
2.1
Introduction
As a fully integrated IEEE 802.3 repeater capable of 10 Mbps and 100 Mbps functionality, the
LXT980 is a very versatile device allowing great flexibility in Ethernet design solutions.
Figure 3,
“
Typical Unmanaged 100 Mbps Repeater Architectures
”
on page 21,
and
Figure 5
show some
typical applications, and
Figure 6
shows a more complete I/O circuit. Refer to
“
Application
Information
”
on page 48
for specific circuit implementations.
This multi-port repeater provides four 10BASE-T/100BASE-TX/100BASE-FX ports. In addition,
there is a bidirectional Media Independent Interface (MII) expansion port that may be connected to
either a 10/100 MAC, or to a 100 Mbps PHY.
The LXT980 provides two repeater state machines and two Inter-Repeater Backplanes (IRB) on a
single chip
—
one for 10 Mbps operation and one for 100 Mbps operation. The 100 Mbps repeater
fully meets IEEE 802.3 Class II requirements. Each port
’
s operating speed may be selected
independent of the other ports. The auto-negotiation capability of the LXT980 allows it to poll
connected nodes and configure itself accordingly.
The LXT980 incorporates full RMON support by providing on-chip counters and hardware
assistance for a fully managed environment. The segmented backplane simplifies dual-speed
operation, and allows multiple devices to be stacked and function as one logical repeater. Up to 240
ports (192 TP ports and 48 MII ports) can be supported in a single cascade.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LXT9860 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Advanced 10/100 Repeater with Intergrated Management
LXT9860AHC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference
LXT9860HC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference
LXT9863 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Advanced 10/100 Umnmanaged Repeater
LXT9863HC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN HUB CONTROLLER
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