Tripp Lite 6ft Null Modem Serial DB9 RS232 Cable Adapter Gold M/F 6' - null modem cable - DB-9 to DB-9 - 6 ft - P454-006 - Serial Cables - CDW.com
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Amazon.com: StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black (SCNM9FM2MBK) : Electronics
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DB9 Male to DB9 Female Serial RS232 Null Modem Adapter | Serial RS232 | Computer Cables | USB and PC
StarTech.com 10' RS232 Serial Null Modem Cable - 10ft Null Modem Cable - SCNM9FF - Serial Cables - CDW.com
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