Signamax Category 3 Modular-Telco Patch Panels are available in 24- and 48-port sizes and support 2-wire ?RJ-11", 4-wire ?RJ-11", 2 wire ?RJ-45" and 4 wire ?RJ-45" USOC wiring schemes. Each 50-position Telco connector is provided with both Velcro strain relief brackets and hex sockets to secure 25-pair cables with either 90-degree or 180-degree cable exit. Panels? front features a write-on surface to provide port identification. Panels include an integrated cable management/strain relief system for improved cable routing and strain relief.