NEC SPN-DTB (PRT)-A (AP)

The NEC SPN-DTB(PRT)-A(AP) expansion board is compatible with NEAX 2000IPS and NEAX 7400 100MX office telephone exchanges. Purpose: A 1-port (30 B-channel) main ISDN connection board capable of connecting to the public telephone network (EURO-ISDN/ETSI – EDSS1 protocol) supporting up to 30 simultaneous voice connections.
1 year warranty