NEC SL1100 1100021 BE110254 8-PORT ANALOG STATION CARDSL1100 8Port Analog Station CardEquipped with 2 8conductor interface jacksInstalls in expansion slots 1 or 2 in Main KSU or Expansion KSUAllows addition of 1 4port CO Trunk Daughter Board (4COIDB) Maximum of 2 per Main KSU and 2 per Expansion KSU