| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PCL-846 | 4-port High-speed RS-422/485 Communication Card | 62K |
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| 2 | PCL-846 | 4-port High-speed RS-422/485 Communication Card | 62K |
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| 3 | PCL-846A | 4-port High-speed RS-422/485 Communication Card | 62K |
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| 4 | PCL-846A | 4-port High-speed RS-422/485 Communication Card | 62K |
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| 5 | PCL-846B | 4-port High-speed RS-422/485 Communication Card | 62K |
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| 6 | PCL-846B | 4-port High-speed RS-422/485 Communication Card | 62K |
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