Manual
APPENDIX C - ELECTRICAL INTERFACE .................................................................................14 
RS-232 ....................................................................................................................................................14 
RS-422 ....................................................................................................................................................14 
RS-530 ....................................................................................................................................................14 
RS-449 ....................................................................................................................................................14 
RS-485 ....................................................................................................................................................15 
APPENDIX D - DIRECT MEMORY ACCESS ...............................................................................16 
APPENDIX E - ASYNCHRONOUS AND SYNCHRONOUS COMMUNICATIONS..............................17 
ASYNCHRONOUS COMMUNICATIONS ....................................................................................................... 17 
SYNCHRONOUS COMMUNICATIONS..........................................................................................................18 
APPENDIX F - SILK-SCREEN ....................................................................................................19 
WARRANTY...............................................................................................................................20 
Figures 
Figure 1 - Address Selection Table ......................................................................................................................2
Figure 2 - DIP-switch Illustration........................................................................................................................2 
Figure 3 Headers E8 & E9, Electrical Interface Selection.................................................................................3 
Figure 4 - DMA Selection Headers E2 & E3.......................................................................................................4 
Figure 5 - DMA Enable Header E1......................................................................................................................5 
Figure 6 - IRQ Header E7.....................................................................................................................................6 
Figure 7 - IRQ Mode Header ...............................................................................................................................6 
Figure 8 - Asynchronous Communications Bit Diagram.................................................................................17 
Figure 9 - Synchronous Communications Bit Diagram...................................................................................18 
© Sealevel Systems Inc. 
SL9125 Revision 7/2006 
Sealevel Systems, Incorporated. All rights reserved. 










