Models: DK32DJ-72/36/18FC SCA-2 Fibre Channel 40pin Jumper Connector Layout (SCA-2 Fibre Channel 40pin) Option Jumper Connector C3 Pin No 1-2 3-4 5-6 7-8 9-10 11-12 Function BYP2LED BYP1LED FLTLED Reserved Reserved Reserved Pin No 13-14 15-16 17-18 19-20 21-22 23-24 Function Reserved Write Protect Reserved Reserved ACTLED Reserved Cautions: Black jumper sockets are used for Use's selection. They are shown with thick line in the figure of drive connector. Shaded jumper sockets are default setting at the factory. Do not change the Reserved jumper sockets. Change will void the warranty! Do not connect the assigned signals pins each other. If connectcted, it may cause drive failure. Spare Jumpers installed C3: 18-20 for FC model. These spare jumpers can be used for another setting. Installation Tips: Installation horizontal or vertical.(6 direction) Provide adequate air flow to cool drive Use 4 mounting screws[6X32 UNC]. Maximum screw penetration:3.8mm(0.15in)into drive.