KNTK Modular DB9 Female to RJ12 Female Adapter for Serial to Jack Plug Phone Tel

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Kentek DB9 Female to RJ12 Female Modular Adapter Serial Jack Phone Telecom PC

Kentek DB9 Male to RJ12 Female Modular Adapter Serial Jack Plug Phone Telecom PC

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KNTK Modular DB25 Male to RJ-12 Female Adapter for Serial to Jack Plug Phone Tel

KNTK DB25 25Pin Female to Female Adapter Parallel Printer RS232 Straight Through