CISCO SPA122 General Single or Double LAN Gigabit Ethernet 4 Port Switches 16 Voice channels Optional Voice Function Set: IBC and SBC optional Wireless LAN Interface WAN Ethernet Fast Fibra, Copper, SFP/UTP configurable 1 SFP slot for fiber modules: 100BASE-T, 100BASE-FX, 100BASE-LX20/50, 100BASE-BX10/20/40 UTP interface 10/100BASE-Tsha connector Point to point and multipoint; Power type 1 (2W/port); Connectors RJ-45 1 port PRI E1/T1: G703/G704 Port console RS232 - RJ45 LAN to LAN performance: 170.000 pps From LAN to WAN with QoS/ACL/NAT: 700.000pps IP address and Routing NAT/NAPT: Static/dynamic NAT, NAPT, selective NAT, double NAT, pass-through of the Client application, server, relay DHCP. IP helper addresses Proxy DNS. DNS server update protocol: DynDNS Routing Protocols: RIP v1/v2, OSPF v2, BGP v4 Routing multicast: PIM-SM and IGMP v2/v3 Routing based on VRRP policies Server load balance IP service quality IP service classification and priority (DiffServ) Class-based code (CBQ), CB-WFQ on LAN/WAN interfaces VLANCATIONAL TRAINING AND INSTITUTION G.711 (a/? law), G.726, G.729a, configurable package length Detection and generation DTMF Generation and customization of country Specific tone Silence suppression and comfortable noise generation Buffer jitter adaptive rating MOS SIP, MGCP, H.323 version 4 Fax and Modem on IP Management Standard command line interface of industry (CLInet) Event Buffering and Tracking Customer syslog Flow Capture and Decode TR-69 Power Configuration 12V DC-3A Desktop Size, Wall Mounted L x A x P: 333 x 67 x 218 mm; Weight: 2.7 kg