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          Dual Span Digital T1 E1 J1 PRI PCI-Express x1 Card

          Dual Span Digital T1 E1 J1 PRI PCI-Express x1 Card
          More From: Digium
          Item #: 21728316
          Mfr. Part#: 1TE235BF
          Availability: Temporarily Out-of-Stock
          Est. Ship: Call for next available delivery

            Ordering Information

            Digium's dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.

            Dual span digital cards are available in PCI and PCI-Express form factors. All dual span models can be combined with an Octasic DSP-based echo cancellation module from Digium to provide effective hardware echo cancellation across all channels.
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            Contents Card, echo cancellation module, documentation
            General Information Up to 24 (T1/J1) or 30 (E1) simultaneous calls per span (48 total T1/J1 and 60 total E1 calls per card)

            Supports T1, E1 and J1 physical interface connections

            Optional 128ms hardware echo cancellation module

            Protocol support includes: ISDN PRI, Robbed-Bit, CAS
            Ports/Connectors (2) RJ-45
            UNSPSC 43223201
            Warranty - Labor 5 Years
            Warranty - Parts 5 Years
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