SAMSUNG InstallationDCS-816 March 19992-4Details of Champ ConnectionsThe first 20 pins are assigned to connections for trunk interfaces on a trunk interface card as wellas on the base board. The next 6 pins are for connection of miscellaneous circuits and the last 24pins are assigned to connections for 12 DLI ports on the base board.Pin Colour Circuits/ Functions Remark261W-BLBL-WTip, 1st Loop-start Trunk Interface on the base boardRing, 1st Loop-start Trunk Interface on the base boardNo polarity272W-OO-WTip, 2nd Loop-start Trunk Interface on the base boardRing, 2nd Loop-start Trunk Interface on the base boardNo polarity283W-GRGR-WTip of 3rd Analogue Trunk or Tip of 1st BRI TXRing of 3rd Analogue Trunk or Ring of 1st BRI TXExpansion cardNo polarity294W-BRBR-WTip of 4th Analogue Trunk or Tip of 1st BRI RXRing of 4th Analogue Trunk or Ring of 1st BRI RXExpansion cardNo polarity305W-SS-WTip of 5th Analogue Trunk or Tip of 2nd BRI TXRing of 5th Analogue Trunk or Ring of 2nd BRI TXExpansion cardNo polarity316R-BLBL-RTip of 6th Analogue Trunk or Tip of 2nd BRI RXRing of 6th Analogue Trunk or Ring of 2nd BRI RXExpansion cardNo polarity327R-OO-RTip of 7th Analogue Trunk or Tip of 3rd BRI TXRing of 7th Analogue Trunk or Ring of 3rd BRI TXExpansion cardNo polarity338R-GRGR-RTip of 8th Analogue Trunk or Tip of 3rd BRI RXRing of 8th Analogue Trunk or Ring of 3rd BRI RXExpansion cardNo polarity349R-BRBR-RTip of 9th Analogue Trunk or Tip of 4th BRI TXRing of 9th Analogue Trunk or Ring of 4th BRI TXExpansion cardNo polarity3510R-SS-RTip of 10th Analogue Trunk or Tip of 4th BRI RXRing of 10th Analogue Trunk or Ring of 4th BRI RXExpansion cardNo polarity3611BK-BLBL-BKTip, General-purpose Dry Contact on the base boardRing, General-purpose Dry Contact on the base boardNo polarity3712BK-OO-BKTip, External Page Interface on the base boardRing, External Page Interface on the base boardNo polarity3813BK-GRGR-BKTip, External Music Interface on the base boardRing, External Music Interface on the base boardNo polarity3914BK-BRBR-BKTip, 1st DLI port on the base boardRing, 1st DLI port on the base boardNo polarity4015BK-SS-BKTip, 2nd DLI port on the base boardRing, 2nd DLI port on the base boardNo polarity4116Y-BLBL-YTip, 3rd DLI port on the base boardRing, 3rd DLI port on the base boardNo polarity4217Y-OO-YTip, 4th DLI port on the base boardRing, 4th DLI port on the base boardNo polarity4318Y-GRGR-YTip, 5th DLI port on the base boardRing, 5th DLI port on the base boardNo polarity4419Y-BRBR-YTip, 6th DLI port on the base boardRing, 6th DLI port on the base boardNo polarity4520Y-SS-YTip, 7th DLI port on the base boardRing, 7th DLI port on the base boardNo polarity4621VL-BLBL-VLTip, 8th DLI port on the base boardRing, 8th DLI port on the base boardNo polarity4722VL-OO-VLTip, 9th DLI port on the base boardRing, 9th DLI port on the base boardNo polarity4823VL-GRGR-VLTip, 10th DLI port on the base boardRing, 10th DLI port on the base boardNo polarity4924VL-BRBR-VLTip, 11th DLI port on the base boardRing, 11th DLI port on the base boardNo polarity5025VL-SS-VLTip, 12th DLI port on the base boardRing, 12th DLI port on the base boardNo polarityTechnical Manuals Online! - http://www.tech-man.com