Telegärtner TOC IP68 Outdoor Fibre Optic LC Duplex Bulkhead Adapter Sets TOC IP68 Outdoor fibre optic LC Duplex bulkhead adapter sets with nickel plated brass bulkhead housings, blue plastic adapter housings, zircona ceramics split sleeve and adapter according to IEC 61754-20. These TOC IP68 LC duplex bulkhead adapter sets have a 4 hole mounting flange and require a panel cut out of 30.5mm diameter. Stock number 878-2454 is an LC duplex Single Mode/Multimode adapter Stock number 878-2463 is an LC duplex APC Singlemode adapter A protection cap is available separately, see stock number 878-2494 Standards Adaptor acc. to IEC 61754-20 Protection class IP68 acc. to IEC 60529 Telegärtner DataVoice TOC IP68 Outdoor Fibre Optic Connectors DataVoice TOC (Telecommunications Outdoor Connectors) fibre optic LC Duplex and MPO/MTP® connectors with IP68 protection suitable for use in harsh environment machine and plant engineering applications with a temperature range of -40 to +85°C. These TOC IP68 outdoor fibre optic connectors are easy to install with just one turning movement needed to lock and seal the connection. Pre-terminated cables can be fed into the TOC plugs and an elongated release latch enables the plugs to be mated and unmated easily into SFP transceivers or adapters even in confined installation environments. The IP68 TOC coupler is ideal for line extensions and can be easily integrated without any detrimental effects on the performance of the connection.