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9 pin Male to Female Null modem adapter (RS232)
Serial Port and Modem Cables
Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Electronics
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RS232 Null-Modem Cable DB09FF -- DataPro
StarTech.com 10 ft DB9 RS232 Serial Null Modem Cable F/M - SCNM9FM - Serial Cables - CDW.com
StarTech 10' DB9 RS232 Serial Female to Female Null Modem
6ft DB9 RS232 Serial Cable Male to Male Null Modem Cord RS-232 Cross TX/RX Line | eBay
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI - 1 x DB-9 Female Serial - 1 x USB Type A Male - Black - RS232 Serial Adapter - Y10C225-B1
Quiktron® 08075 RS232 Null Modem Adapter, DB9 Male to DB9 Female Connector | SMC
QVS DB9 Female to Female Standard Serial RS232 Null Modem Adapter - Micro Center
Startech .com 1m Black DB9 RS232 Serial Null Modem Cable F/FConnect your serial devices, and transfer your files1m DB9 Null Modem Cable... SCNM9FF1MBK - Corporate Armor
RS-232 Null modem cable
DB9 Male to Male NULL Modem Gender Changer RS232 to RS232 - PLCCable.com - Automation Supplies and PLC Tools