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Cisco SM-D-ES3G-48-P 48x 1GB PoE RJ-45 2x 1GB SFP Router Service Module
Cisco SM-ES3G-24-P 24x 1GB PoE RJ-45 Router Service Module
NEW Cisco NM-HDV2-2T1/E1 2x T1/E1 High-Density Router NM Module