![](/images/new-backgrounds/1266205/266205261x1.webp)
Technical Specifications
Table | Synchronous Port Pin Assignments |
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Pin Assignment |
| Pin No. Signal Name | Pin No. | Signal Name | ||
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| 1 | FGND | 23 | DCD- | |
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| 2 | SD+ | 24 | ST- | |
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| 3 | RD+ | 25 | RT- | |
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| 4 | RTS+ | 26 | TT- | |
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| 5 | CTS+ | 27 | NC | |
Pin 15 | Pin 1 | 6 | DSR+ | 28 | RTIN#B | |
7 | SGND | 29 | CTSIN# | |||
Pin 30 | Pin 16 | |||||
8 | DTR+ | 30 | ST# | |||
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Pin 44 | Pin 31 | 9 | DCD+ | 31 | VST- | |
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| 10 | ST+ | 32 | VST+ | |
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| 11 | RT+ | 33 | VRT- | |
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| 12 | TT+ | 34 | VRT+ | |
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| 13 | RTIN# | 35 | VRD- | |
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| 14 | CTS# | 36 | VSD- | |
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| 15 | RTS# | 37 | VRD+ | |
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| 16 | SD- | 38 | VSD+ | |
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| 17 | RD- | 39 | VTT- | |
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| 18 | RTS- | 40 | VTT+ | |
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| 19 | CTS- | 41 | UNBE | |
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| 20 | 42 | V35D | ||
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| 21 | NC | 43 | GND | |
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| 22 | DTR- | 44 | SNDC |