... del CISCO ASA 5520 ADAPTIVE SECURITY APPLIANCE UC SECURITY EDITION - SECURITY APPLIANCEPart Code: ASA5520-UC-BUN-K8Manufacturer: CISCODevice Type: Security applianceEnclosure ... VPN peers : 750 Concurrent connections : 280000 SSL VPN peers : 2 UC proxy sessions : 1000 Virtual interfaces (VLANs) : 150VoIP ProtocolsMGCP, SCCP, ... 120/230 V ( 50/60 Hz ) firewall board ASA5520-UC-BUN-K8 cisco 5500 series