1PRIDB-C1 daughter board is mounted on the 082UB1, 008U-[ ]1 or 000U-C1 board and installed to the Universal slot in the C1 chassis and provides either an ISDN Primary Rate Interface, T1 Interface or E1 interface. A total of three 1PRIDBs can be installed per system or one 1PRIU per Chassis.
- Mount to the 082U/008U/000U
- Supports T/S point connection (Hard-switch)
- All ISDN circuits are not supplied with DC power from the system