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| * STRAIGHT OR PARALLEL CABLE |
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| |
SERCOM BOARD |
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| COM 1 |
(LOCATED IN |
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PORTS |
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| 5 - 12 |
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PIN 1 |
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| PIN 1 |
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| (BOTTOM OF | ||
SERCOM |
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PORT 5 |
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* REVERSE OR |
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* SEE APPENDIX D FOR |
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INSTRUCTIONS ON |
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CABLE IDENTIFICATION |
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| 12 VDC KEYBOARD |
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| INPUT POWER |
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| POWER PAC |
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TX + | 1 |
| 1 | 1 | TX + | 1 |
TX - | 2 |
| 2 | 2 | TX - | 2 |
| 3 |
| 3 | 3 |
| 3 |
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| + 12 VDC |
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| 4 |
| 4 | 4 |
| 4 |
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| GND |
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| 5 |
| 5 | 5 |
| 5 |
| 6 |
| 6 | 6 |
| 6 |
RX - | 7 |
| 7 | 7 | RX - | 7 |
RX + | 8 |
| 8 | 8 | RX + | 8 |
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| POWER |
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SERCOM PORT |
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| SUPPLY |
| COM 1 |
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| ||
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| 120/230 VAC INPUT |
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| |
Figure 5. Basic Keyboard Setup Configuration and Wiring
10 | Pelco Manual C540M (6/98) |
