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3ft (0.9m) Serial RS232 DB9 Null Modem Cable with Low Profile Connectors M/F - In-Wall CMG-Rated | Serial RS232 | Computer Cables | USB and PC
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What is the difference between a Null Modem and Straight Through Serial Cable? | Modem, Serial port, Serial
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Delock Products 86604 Delock Serial Cable RS-232 D-Sub9 female to female null modem with narrow plug housing 10 m
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