DIY solution for using 8 conductor CAT5 cables to extend your Serial (DB9) connections. 8 pin adapter. see "Specifications" Tab for pin color codes DB9 (common name) a.k.a DE9 (proper designation) Monoprice continually strives to improve its product line to bring our customers the best products available. Therefore; changes may be made to listed specifications without prior notice. Item received may not match photo or specs shown. see "Specifications" Tab for pin color codes Support Files: Pinout and Dimensions Diagram (Dec 21; 2010)