• Be110799 Co Expansion Mounting Card
• Sl1100 Co Expansion Mounting Card
• Provides Interface For A 4port Co Trunk Daughter Board
• Only Required For Configurations With Fewer Station Cards Than Co Trunk Daughter Boards
• Installs In Expansion Slots 1 Or 2 In Main Ksu Or Expansion Ksu
• Brand: Nec Sl1100