Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.1 channel audio system connections RS 232 connection on Dell MP series projectors connection with a male 6-pin Mini-DIN connector on each end. Most commonly found on PCs as the PS/2 keyboard/mouse connector the 6-pin Mini-DIN connection is used for a variety of applications Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.