Interfaces : One (1) Network Module, One (1) AIM, Two (2) WICs, Console and Auxiliary Ports, 1 to 2 Ethernet ports Flash Memory : 32 MB up to 48 MB RAM : 256 MB Processor : N/A Operating System or IOS Version : 12.1(14) Mainline, 12.2(12) Mainline, 12.2(8)T1, max. 12.4(15)T PSU : 110 to 220 VAC, 50W Dimensions : 44.5 x 30 x 4.3 cm Weight : 4.66 kg