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Cisco 3900 Series and Cisco 2900 Series Hardware Installation Guide - Overview of the Routers [Cisco 2900 Series Integrated Services Routers] - Cisco
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Cisco 3925 Integrated Services Router . 4 X Hwic, 4 X Pvdm, 3 X Services Module, 2 X Sfp (Mini. Gbic), 2 X Compactflash (Cf) Card . 3 X 10/100/1000Base. T Network
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