Microchip's ICD2 provides a 6 wire pigtail to program and debug PICs. This instructable shows you the pin-out for connecting this pigtail to an RJ45 female connector.
Step 1: Materials
1 - RJ 45 Female Head.
1 - Length of CAT5, ideally with a solid (not stranded) copper core.
Step 2: Pin-Out Table
This pinout uses a T-568B wiring scheme: