View Larger ImagesClick to Zoom EP-16A - BIX Punchdown ToolEP-16A - BIX Punchdown ToolEP-16A - BIX Punchdown Tool BIX Punchdown Tool. This tool is designed to terminate cables, pigtails, and jumper wires on all GigaBIX, BIX and UMOXS cross-connect system connectors. This single action, spring activated tool will terminate 22-26 AWG plastic insulated solid copper conductors. Button on the handle adjusts the tool for seating only, or for seating and cutting the conductors.