MoxaNPort 5110-T - 1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male, -40 to 75°C Operating Temperature

MOXA NPort 5110-T - 1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male, -40 to 75°C Operating Temperature- Without Power Adapter

StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF)

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack