Avaya IP500 Universal T1/PRI Daughterboard (700417439) Unused
The Avaya IP500 PRI trunk card can be installed onto an IP500 base card to add support for PRI trunks. The 700417439 is a single port module supporting E1 PRI (30B+D channels per port), E1R2 PRI (30B channels per port) and T1 robbed bit (24B channels per port) or T1 PRI (23B+D channels per port). The minimum software level for this module is 4.1.