(Cisco 2921 with 3 onboard GE, 4 EHWIC slots, 3 DSP slots, 1 ISM slot, 256MB CF default, 512MB DRAM default, IP Base). Slot espansione 3x GE, 4x EHWIC, 3x DSP, 1x ISM. RAM installata 512 MB. Frequenza di ingresso 47/63 Hz.
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