L-Com EC608F RJ21 Telco Harmonica Female 50-pin break out to RJ12 (6P6C) x 8 ports PN-phB-xxx Specifications: Breakout 50-pin Telco RJ21 style connectors to 8 6P6C wired RJ12 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