com DB9 to RJ45 Modular Adapter - M/F - Serial adapter - DB-9 (M) to RJ-45 (F) (GC98MF)

StarTech.com DB9 to RJ45 Modular Adapter - M/F - Serial adapter - DB-9 (M) to RJ-45 (F) - GC98MF,Gray

DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter)

DTECH DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices