2811 Voice Bundle,PVDM2-16,SP Serv,64F/256D NEW SEALED ORIGINAL CISCO ... -TX LANInterfaces/Ports: 1 x Auxiliary ManagementInterfaces/Ports: 1 x Console ManagementInterfaces/Ports: 2 x USB Cisco CISCO2811-V/K9 I ... : 50 Hz or 60 Hz CISCO2811-V/K9 2811 Voice Bundle,PVDM2-16,SP Serv,64F/256D