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Cisco expansion module
Model: MGX-FRSM-2T3E3-RF
Cisco - Expansion module - 2 ports - Frame Relay - refurbished - plug-in module
The Cisco FRSM-2T3E3 Frame Service Modules (FRSMs) are designed for use with the MGX 8230 and MGX 8250 multiservice gateways, the MGX 8800 series wide-area edge switch and the BPX 8680 universal service node. The FRSM-2T3E3 frame service modules offer high-speed T3/E3 and high-density n x DS0/DS1 frame service interfaces for the new world of data networking.