參數(shù)資料
型號(hào)： LXT917QC
英文描述： LAN Transceiver
中文描述： 網(wǎng)絡(luò)收發(fā)器
文件頁(yè)數(shù)： 3/42頁(yè)
文件大?。?/td> 561K
代理商： LXT917QC
Datasheet
3
Flexible Quad Ethernet Repeater — LXT914
Contents
1.0
2.0
LXT914 Pin Assignments and Signal Descriptions
.....................................7
Functional Description
...........................................................................................14
2.1
Introduction..........................................................................................................14
2.2
External Interfaces ..............................................................................................14
2.2.1
10BASE-T Ports.....................................................................................14
2.2.2
AUI Port..................................................................................................14
2.2.3
Serial Port...............................................................................................15
2.2.4
Inter-Repeater Backplane ......................................................................15
2.2.4.1 Synchronous IRB Operation......................................................15
2.2.4.2 Asynchronous IRB Operation....................................................15
2.3
Internal Repeater Circuitry ..................................................................................16
2.4
Initialization..........................................................................................................16
2.4.1
Local Management Mode Initialization...................................................16
2.4.2
External Management Mode Initialization ..............................................20
2.5
10BASE-T Port Operation...................................................................................21
2.5.1
10BASE-T Reception .............................................................................21
2.5.1.1 Programmable Internal Squelch Level ......................................22
2.5.1.2 Polarity Detection and Correction..............................................22
2.5.2
10BASE-T Transmission........................................................................22
2.5.3
10BASE-T Link Integrity Testing ............................................................22
2.6
AUI Port Operation..............................................................................................23
2.6.1
AUI Reception ........................................................................................23
2.6.2
AUI Transmission...................................................................................23
2.6.3
AUI Mode Selection (DTE/MAU)............................................................23
2.7
Collision Handling................................................................................................24
2.8
Security Mode .....................................................................................................24
2.9
LED Display.........................................................................................................25
Application Information
.........................................................................................28
3.1
12-Port Hub Repeater.........................................................................................28
3.2
8-Port Print or File Server....................................................................................28
Test Specifications
..................................................................................................36
Mechanical Specifications
....................................................................................41
3.0
4.0
5.0
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