For 2 modular jack inserts. For system: Panduit MiniCom (Cu. e.g. TX6 10 Gig Shielded Jack Module and 1-way modules for fiber optic and media technology). Pitch: (WxH) approx. 15.9 mm x 18.7 mm. Without spacer. Check compatibility with other manufacturers not listed according to the pitch specified. You can find further information in the 'Communications Systems' manual or on the Internet.