Design Product colour Black Performance Control display unit Yes Protocols Supported protocols SIP Management protocols Browser-based GUI, CLI, SNMP, INI Configuration file, REST API, EMS Network Differentiated services (DiffServ) supported Yes Networking standards IEEE 802.1Q, IEEE 802.1p Security DoS attack prevention Yes Network address translation (NAT) Yes Security algorithms HTTPS, SRTP, SSH, TLS SSID to VLAN mapping Yes Ports & interfaces Interface 1-4 BRI ports, network S/T interfaces, NT or TE termination, Up to 4 FXS and 4 FXO ports Power Output voltage 12 V Input frequency 50/60 Hz Input voltage 100 - 240 V Weight & dimensions Weight 670 g Width 296 mm Depth 160 mm Height 51 mm Operational conditions Storage temperature (T-T) -25 - 85 °C Operating temperature (T-T) 5 - 40 °C Technical details Controller interface type 4 FE configured in 1+1 redundancy or as individual ports leaflet