Dual Entry Slim RJ45 Cat6 to IDC Feedthrough Connector, Black, Metal Frame, M3 Holes - 

The FT series of true, feed through, data connectors for electrical instrumentation are perfect for developing custom I/O configurations for wall plates, rack panels, etc. The DUALSLIMS are 19 × 35.5mm, fit within a narrow 17.15 × 22.86mm panel cut-out and use common cabling for front and back connections. No soldering and no punch terminations - just use the standard cable for that particular connector style. Mount from the front or the rear with various mounting hole options.