... cards. The cards can be classified into SIC (Smart Interface Card) cards, WSIC (Double-Width SIC) cards, and XSIC ( ... x 470 mmWeight11 KG (without Power Module and Interface Card)Ambient temperature0°C-40°CSoftwareBasic featureDHCP server/client, PPPoE ... , FR QoSVoiceRTP, SIP, SIP AG, IP PBX/TDM PBX, FXO/FXS, VoIP/conference callSecurityACL, firewall, 802.1x authentication, MAC address authentication ...