L-Com EC806F RJ21 Telco Harmonica Female 50-pin break out to RJ45 (8P8C) x 6 ports PN-phB-xxx Specifications: Breakout 50-pin Telco RJ21 style connectors to 6 10Base-T wired RJ45 jacks Includes hook and loop style hold-down straps to eliminate screw tightening Two holes for mounting to a wall or panel Includes double-sided foam tape for mounting convenience USOC Wired for most telephone applications