T1/PRI (1.5M) interface blade is for T1 and ISDN Primary Rate Interface applications. This blade has a single 24-channel 64Kb/s digital signal circuit that can be configured for either T1 trunks or PRI applications. Blade is used for 24 consecutive trunks or the trunks can be fractionalized.

T1 trunks can be one of the following:

 Loop Start

 Ground Start

 DID

 E&M Trunks

 ANI/DNIS E&M Trunks

 PRI services:

 Basic PRI Call Control (BCC)

 Display of incoming caller’s name and number (when allowed by telco)

 Speech and 3.1 KHz audio

SKU:670118