Date Code 20000421 Table of Contents i
SEL-251, -2, -3 Instruction Manual
APPENDICES
TABLE OF CONTENTS
APPENDIX A - FIRMWARE VERSIONS................................................A-1
APPENDIX B - MAIN BOARD TROUBLESHOOTING TEST POINTS
AND JUMPER LOCATIONS..................................................................B-1
APPENDIX C - ONEBUS: PROGRAM TO COMPUTE TEST SET
SETTINGS FOR TESTING DISTANCE RELAYS ..................................C-1
FIGURES
Figure B.1: SEL-251 Conventional Terminal Block Model Main Board Troubleshooting Test
Points and Jumper Locations.........................................................................................B-1
Figure B.2: SEL-251 Plug-In Connector Model Main Board Troubleshooting Test Points and
Jumper Locations...........................................................................................................B-2
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