Serial port adapters
Suggestions for Serial port adapters
Extend your RS232 serial connection over 3300 ft with the StarTech.com DB9 Extender using Cat 5. Reliable, long-distance data transmission made easy
2 Port RS-232/422/485Industrial Ethernet to Serial Device Server User friendly interface, simple to use, powerful in operation Removable, colour-coded, number terminal blocks-40C to +80C/-40F to +176F Temperature range

