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Null Modem RJ45-DB9 (Female) Adapter for C2-RJ45 Console Cable - Get Console Shop
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Null-Modem Serial Cables
DB25 Male to DB25 Female Low Profile Null Modem Adapter - Sealevel
Serial Cable - 6FT DB9 Female to DB25 Female Null Modem | ShowMeCables.com
The RS232 Standard
RS232 connector pin assignment
RS232 connector pin assignment
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