
Titan/cPCI User’s Manual, Connect Tech Inc.
Line Termination
You can use jumper blocks JC, JD, JE and JF to terminate and bias TxD ±, RxD ±, RTS ±, and CTS ± on the individual
Please refer to Figure 7 for a partial schematic of the
Titan/cPCI
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|
| TxD + |
| TxD | 150 Ω | JC5, JD5, JE5, JF5 |
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| ||
|
|
| TxD - |
| DTR |
| 10K Ω |
| JA0, JA1, JA2, JA3 | ||
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|
| +5 V |
|
|
| 1.8K Ω |
PCI 954 |
|
| RxD + |
RxD | JC3, JD3, JE3, JF3 | ||
UART |
| 150 Ω | |
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| ||
|
| JC4, JD4, JE4, JF4 | |
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|
| RxD - |
|
|
| 1.8K Ω |
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|
| RTS + |
| RTS | 150 Ω | JC6, JD6, JE6, JF6 |
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| ||
|
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| RTS - |
|
|
| 1.8K Ω |
|
|
| CTS + |
| CTS | JC1, JD1, JE1, JF1 | |
|
| 150 Ω | |
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| |
|
| JC2, JD2, JE2, JF2 | |
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|
| CTS - |
|
|
| 1.8K Ω |
|
|
| +5 V |
Note: Line bias/termination is jumper selectable
Revision 1.01 | 21 |