... DES, SSL 3.0, 128-bit AES, 192-bit AES, 256-bit AESAuthentication MethodSecure Shell v.2 (SSH2)FeaturesModular design, firewall ... )Compliant StandardsIEEE 802.3af, IEEE 802.1xRAM256 MB (installed) / 768 MB (max) - DDR SDRAMFlash Memory64 MB (installed) / 256 MB (max)Status IndicatorsLink activity, powerExpansion / ConnectivityInterfacesUSB ...