Null Modem DB9 Male to DB9 Female Molded Adapter 9 Pin Crossover Pin DTE DCE

DB9 Female to RJ-12 Female Modular Adapter Serial Connection over Long Distance

DB9 Male to RJ-45 Female Modular Adapter Serial Connection over Long Distance

Null Modem DB9 Female to DB9 Female Molded Adapter 9 Pin Crossover Pin DTE DCE

AT Modem DB25 25Pin Male to DB9 9Pin Female Mini Adapter Shielded D-Sub RS-232

DB9 Female to RJ-45 Female Modular Adapter Serial Connection over Long Distance

DB25 Male to RJ-12 Female Modular Adapter Serial Connection over Long Distance

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