User Manual
© Sealevel Systems, Inc. 
SL9017 Revision 7/2006 
SEALINK DIO-16 User Manual 
Table of Contents 
INTRODUCTION......................................................................................................................... 1 
OTHER SEALEVEL USB DIGITAL I/O PRODUCTS......................................................................... 1 
BEFORE YOU GET STARTED................................................................................................. 2 
WHAT’S INCLUDED...................................................................................................................... 2 
OPTIONAL ITEMS.......................................................................................................................... 2 
SOFTWARE INSTALLATION.................................................................................................. 3 
WINDOWS 98/ME/2000/XP INSTALLATION................................................................................. 3 
PHYSICAL INSTALLATION .................................................................................................... 4 
PROGRAMMING THE SEALINK DIO-16.............................................................................. 5 
PROGRAMMING FOR WINDOWS.................................................................................................... 5 
DIGITAL I/O INTERFACE .............................................................................................................. 5 
SERIAL STRING ............................................................................................................................ 5 
INPUT PORT.................................................................................................................................. 6 
OUTPUT PORTS (REED RELAYS) .................................................................................................. 6 
PIN ASSIGNMENTS (REMOVABLE TERMINAL BLOCK).................................................................. 7 
ELECTRICAL CHARACTERISTICS ...................................................................................... 8 
FEATURES .................................................................................................................................... 8 
SPECIFICATIONS........................................................................................................................... 8 
EXAMPLE CIRCUITS................................................................................................................9 
APPENDIX A - TROUBLESHOOTING ................................................................................. 10 
APPENDIX B - HOW TO GET ASSISTANCE ...................................................................... 11 
APPENDIX C – SILK SCREEN – 8209 PCB .......................................................................... 12 
APPENDIX D - COMPLIANCE NOTICES............................................................................ 13 
FEDERAL COMMUNICATIONS COMMISSION STATEMENT ........................................................... 13 
WARRANTY............................................................................................................................... 14 










