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RS232 DB9 Connector
Your Cable Store 6 Foot DB25 25 Pin Serial Port Cable Male / Male RS232 : Amazon.com.au: Electronics
PNGKNYOCN 30cm DB9 Y Splitter Cable DB9 9 Pin 1 Male to 2 Female Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices : Amazon.com.au: Computers