CM312 Datasheet, PDF (7/56 Pages) List of Unclassifed Manufacturers – Communications utilityModule

Table of Contents
CHAPTER 1 INTRODUCTION .................................................................................................................2
CM312 COMMUNICATIONS UTILITYMODULE ...........................................................................................................2
Features ...............................................................................................................................................................2
Connectors and Switches .....................................................................................................................................3
Recommended Cables ..........................................................................................................................................3
General Specifications.........................................................................................................................................3
Jumpers and Switches..........................................................................................................................................4
Locations..........................................................................................................................................................4
Default Settings................................................................................................................................................5
Descriptions .....................................................................................................................................................6
ETHERNET EEPROM CONFIGURATION ....................................................................................................................8
Default Settings....................................................................................................................................................9
CHAPTER 2 INSTALLING THE UTILITYMODULE .........................................................................11
RECOMMENDED PROCEDURE .................................................................................................................................11
FINDING PIN 1 OF CONNECTORS .............................................................................................................................11
Locations ...........................................................................................................................................................12
PC/104 BUS CONNECTORS, CN1 AND CN2 ...........................................................................................................13
FIRST COM PORT, CN3..........................................................................................................................................14
RS422 and RS485 Mode Pinout.........................................................................................................................16
Notes on using RS422 or RS485 Modes.............................................................................................................17
SECOND COM PORT, CN4......................................................................................................................................17
THIRD COM PORT, CN5.........................................................................................................................................17
FOURTH COM PORT, CN6......................................................................................................................................17
Base Address of Common Registers...................................................................................................................18
Common Register definitions.............................................................................................................................19
10BASE-T CONNECTOR, CN8.................................................................................................................................21
10BASE-T CONNECTOR, CN10...............................................................................................................................21
10BASE-2 CONNECTOR, CN14 ...............................................................................................................................22
POWER PROTECTION CIRCUITRY ............................................................................................................................22
Module Power-Supply Protection ..................................................................................................................22
CHAPTER 3 USING THE UTILITYMODULE SERAIL PORTS........................................................23
EXAR DOCUMENTATION .......................................................................................................................................23
1.5 MBPS SUPPORT .................................................................................................................................................23
INTERRUPT SHARING ..............................................................................................................................................24
CHAPTER 4 USING THE UTILITYMODULE ETHERNET PORTS.................................................26
DIAGNOSTIC LEDS .................................................................................................................................................26
COL LED ...........................................................................................................................................................26
LNK LED ...........................................................................................................................................................26
BOOT ROM SOCKET ..............................................................................................................................................26
POWER CONSUMPTION ...........................................................................................................................................27
CHAPTER 5 SOFTWARE INSTALLATION .........................................................................................28
SOFTWARE INSTALLATION ......................................................................................................................................28
THE CM312SET PROGRAM ...................................................................................................................................28
Using CM312SET ..............................................................................................................................................28