Blue/White = Tip
COM220 Telephone Modem
SE | 1 | 2 |
| 3 | 4 |
DIFF |
| 1 |
| H | 2 |
| H | L |
| L | |
SE | 9 | 10 |
| 11 | 12 |
DIFF |
| 5 |
| H | 6 |
| H | L |
| L | |
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| POWER OUT | ||
| G | 5V | G | G | |
Earth
Ground
| 5 | 6 |
| 7 | 8 |
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| POWER IN | |
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| EX1 |
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| G | 12V | ||||
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| 3 |
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| 4 |
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| P1 |
| P2 |
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| H | L |
| H | L |
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| CAUTION | |||
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| DC ONLY |
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| G | 12V |
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| GROUND |
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| 13 | 14 |
| 15 | 16 |
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| LUG | CR1000 | |
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| EX2 |
| EX3 |
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| WIRING PANEL | |||||
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| 7 |
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| 8 |
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| H | L |
| H | L |
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| COM1 | COM2 |
| COM3 | COM4 |
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12V | 12V |
| Tx | Rx | Tx | Rx |
| Tx | Rx | Tx | Rx |
| CS I/O | |
G | C1 | C2 | C3 | C4 | G | C5 | C6 | C7 | C8 | G |
| PERIPHERAL PORT | ||
SN:
SDM | MADE IN USA |
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Blue = Ring | SC12 Cable |
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| Burial Phone Cable |
Phone Line Transient Protector (Model 6362 or
FIGURE 3. CR1000 and COM220 Using Remote Telephone Line
5