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RS232 click - features a standard RS232 DB9 port and a MAX3232 IC
RS232 DB25 Male/Female Jumper Box
DB9 9-pin Male Female Adapter RS-232 Serial Port Interface Breakout Connector | eBay
RS232 DB25 Male/Female Jumper Box
DB25 Male to Female RS-232 Jumper Box
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4Port PCIe RS232 Serial DB9 Adapter Card - Serial Cards & Adapters | StarTech.com
DB25 Female to Female RS232 Serial Jumper Box Assembly
DB9 Jumper Box
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Rs-232 Breakout Box Tester Bob - Reconfig Patch Rs232 Serial Port Signals Cnc Pocket-sized Rs-232/serial Break Out Box - Integrated Circuits - AliExpress
