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Next Generation STM-1 SDH Multiplexers with E1, E3, E4, STM-1e, STM-1o & 10/100 Mbps ethernet tributaries PRI (Primary Rate Euro-ISDN) Multiplexer
E3, 34Mbps Multiplexer
VCL-MX, E1 - 2Mbps Drop-Insert (Add-Drop) Voice & Data Multiplexer E1 Channel Bank with Answer Supervision
 
Next Generation STM-1 SDH Multiplexers with E1, E3, E4, STM-1e, STM-1o & 10/100 Mbps ethernet tributaries  
Comarra offers state-of-the-art SDH transmission solutions  
     
PRI (Primary Rate Euro-ISDN) Multiplexer  

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)

Product Presentation PPS (128KB)

     
VCL-MX, E1 - 2Mbps Drop-Insert (Add-Drop) Voice & Data Multiplexer  

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)

Product Presentation PPS (608KB)

     
E3, 34Mbps Multiplexer  
E3, 34Mbps multiplexer multiplexes 16, 2Mbps E1 electrical tributaries 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)

Product Presentation PPS (256KB)

     
E1 Channel Bank with Answer Supervision  

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)

 

Technical specifications are subject to change without notice.
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