Sharp CE-135T RS-422 level converter with integrated cable for connecting Sharp pocket computers with a 15‑pin SIO port to an 8‑pin mini DIN RS‑422 interface (such as vintage Apple Macintosh systems). Unit shows light cosmetic wear and small surface marks consistent with normal use, but no major damage is visible. Connectors and cable jacket appear intact with minor signs of handling. Includes converter cable only, no original packaging or documentation, and is guaranteed to be fully functional.

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