Front panel 3HE/7TE with LC-Q couplings, slotted ceramic guide sleeve for singlemode and multimode applications, suitable for installation in OpDAT REGpro24 and OpDAT REG S, powder-coated sheet steel, grey, variants: equipped with 3 or 6 LC-Q couplings, each blue (OS2), violet (OM4), aqua (OM3) or LC-Q APC couplings, each green (OS2)