NEC IP7WW-000U-C1 0 Extensions board (for Trunk daughterboard) - BE116509

Allows addition of (1) 3-Port CO Trunk Daughter Board (3COIDB) or (1) PRI Daughter Board (1PRDB), when system has fewer station cards than CO Trunk/PRI Daughter Boards. Only required for system configurations with fewer station cards than CO Trunk/PRI Daughter Boards. Installs in any universal slot of Main or Expansion Chassis https://www.nec-enterprise.com/