This kit of items enables connection between Outdoor Buildings or Housings, using the A/SC 2 fibre Indoor/Outdoor Patch Cable (G652D fibre) for DWDM Systems. The 4 Through Splice Adaptors enable the DWDM optical connection to be directly fusion spliced on a subrack, to a nominated optical fibre,with the optical cord passing through a patch panel, without having a connector connection at the patch panel. The LC connector Duplex Patchcord enables direct connection to optical transmission equipment.