![](/images/new-backgrounds/1172850/17285051x1.webp)
Pin Assignments |
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X.21 | Connector | Information |
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The | X.21 pin | assignments for | the | |||||||||||
and | the |
| corresponding pin | assignments | for the | |||||||||
adapter cable | are | listed | in | |||||||||||
Table | pin | positions | on |
| the connector | are | shown under | |||||||
“Pin | Numbers” | on | page |
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Table | Interface | Pin |
| Assignments |
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Signal |
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Name |
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| Connector |
| Connector |
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GND |
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| 7 |
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| 8 |
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T | (A) |
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| 10 |
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| 2 |
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C | (A) |
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| 11 |
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| 3 |
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R | (A) |
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| 12 |
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| 4 |
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I | (A) |
| 13 |
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| 5 |
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S | (A) |
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| 14 |
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| 6 |
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T | (B) |
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| 28 |
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| 9 |
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C | (B) |
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| 29 |
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| 10 |
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R | (B) |
| 30 |
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| 11 |
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I | (B) |
| 31 |
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| 12 |
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S | (B) |
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| 32 |
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| 13 |
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