NEC IP7WW-1PRIDB-C1 1 ISDN PRI/T1 daugther board - BE116512

– Provides interface for (1) PRI or T1 circuit – Equipped with (1) 8-conductor RJ-45 interface jack – Must be installed on 082U, 008U, or 000U Cards – Max (1) per Main or Expansion Chassis – Max (3) per system https://www.nec-enterprise.com/