E1/PRI (2M) interface blade is for E1 & ISDN Primary Rate Interface applications. This blade has a single 30-channel 64 Kb/s digital signal circuit that can be configured for either E1 trunks or PRI applications. Blade is used for 30 consecutive trunks. For E1, the trunks can be setup as LS, GS, DID, E&M Trunks, or ANI/DNIS E&M Trunks. For PRI the blade supports Basic PRI Call Control (BCC), Display of incoming caller's name & number (when allowed by Telco), Speech, & 3.1 KHz audio. Compatible with E1 & ISDN Primary Rate Interface applications single 30-channel 64 Kb/s digital signal circuit that can be configured for either E1 trunks or PRI applications Supports Basic PRI Call Control (BCC) Display of incoming caller's name & number (when allowed by Telco), Speech 3.1 KHz audio.