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Digium TE420B Quad Span T1/E1 PCI Express Card with Octasic DSP-based Echo Cancellation Module
Feature: ... 4 digital interface ports support both voice and data; Selectable T1, E1, or J1 mode; PCI-Express 1.0 Compliant; Can be used in PCI-e x1, x4, x8 or x16 slot; Bundled with VPMOCT128 Echo Cancellation Module ...more
Editorial Reviews — ... Product Description | PLEASE NOTE DUE TO RECENT CHANGES ALL DIGIUM FXO/FXS MODULES MUST BE PURCHASED SEPERATELY ON AMAZON.COM. Digium's TE420 PCI Express card provides termination of up to 120 channels of voice or data across four E1, T1, or J1 interfaces in a PCIe x1 form factor. Selectable on a per-port or per-card basis, the TE420 allows E1 and T1 circuits to be mixed with full channel synchronization. Supporting PCIe x1, the TE420 may be used in any available PCIe 1.0 compliant slot - 1x, x4, x8, and x16...more
