Specifications

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8. INTERFACING .................................................................... 47
8.1. External connections ......................................................................47
8.2. DB-15 PIN descriptions with input/output level ............................47
8.3. Internal components .......................................................................49
8.4. Option board pin-out chart ............................................................50
8.4.1. ACC-513 (GMSK Modem Option board)................................................ 50
8.4.2. ACC-514 (FFSK Modem Option board) ................................................. 50
8.4.3. ACC-515 (GPS Option board) ................................................................ 51
8.5. Wiring Diagram.............................................................................. 52
9. TROUBLE SHOOTING GUIDE ........................................ 53
10. VOLTAGE CHART ........................................................... 60
11. ELECTRICAL PARTS LIST............................................ 65
11.1. PARTS LIST FOR SD-161 ............................................................ 65
11.2. PARTS LIST FOR SD-164 ............................................................ 72
12. COMPONENT PINOUT.................................................... 79
13. SCHEMATIC DIAGRAMS............................................... 83
14. CIRCUIT B’D DETAILS................................................... 93