PRI ISDN (Primary Rate Interface) Euro ISDN Multiplexer converts 30 dial-up, analog voice circuits to a digital E1, PRI ISDN interface. Offers all types of analog interfaces (FXO / FXS / 2W/4W E&M). Signaling as per ITU-T Rec. Q.931 to inter-connect up to 30, analog interfaces to an E1, PRI ISDN port.

Product Brochure PDF (160KB)

VCL-MX, 2Mbps E1 voice and data, drop-insert (add-drop) multiplexer provides full range of voice (POTS) and digital data services to subscribers located at different locations, requiring to interconnect and establish a voice and data network over an E1 link. The VCL-MX is available in 4 versions, each providing different features and voice / data interfaces.

Available Interfaces FXO, FXS, E&M, RS232, iDSL, G.703 nX64 Interfaces: V.35, V.36, X.21,  RS530, G.SHDSL, 10BaseT Ethernet / Router, Fractional E1.

Product Brochure PDF (560KB)

E3, 34Mbps multiplexer multiplexes 16, 2Mbps E1 electrical tributries into one 34Mbps electrical stream conforming to all applicable G.703, G.823 and G.831 ITU-T (CCITT) recommendations. Available with TCP/IP Remote Access Server for remote access and monitoring.

Product Brochure PDF (224KB)

Comarra E1 Channel Bank - the VCL-CB-BR provides answer supervision / battery reversal / polarity reversal support. Available with FXO, FXS and 2W/4W E&M interfaces. It used in applications to deliver voice over an end-to-end E1 (radio / fiber / HDSL) links. The interface to the analog PSTN (POTS*) lines have been ruggedized to provide complete protection against line card failures which occur from induced voltages from AC power lines and lightening strikes and difficult field conditions.

Product Brochure PDF (120KB)