JUNIPER NETWORKS - NS-ISG 1000 ADVANCED SYSTEM,4-10/100/1000 PORTS, FAN TRAY,0 I/O MODULES, DC POWER SUPPLY. SPECIFICATIONS : FEATURES - MODULAR DESIGN, FIREWALL PROTECTION, 56-BIT ENCRYPTION, ROUTING, 168-BIT ENCRYPTION, DHCP SUPPORT, NAT SUPPORT, VPN SUPPORT, PAT SUPPORT, LDAP SUPPORT, VLAN SUPPORT, SYSLOG SUPPORT, DOS ATTACK PREVENTION, DIFFSERV SUPPORT, HIGH , URL FILTERING, DEEP PACKET INSPECTION (DPI), TRANSPARENCY. FORM FACTOR : RACK-MOUNTABLE POWER :DC -36 -72 V DATA LINK PROTOCOL : ETHERNET, FAST ETHERNET, GIGABIT ETHERNET DEVICE TYPE :SECURITY APPLIANCE CAPACITY: CONCURRENT SESSIONS - 125000 , CONCURRENT VPN TUNNELS - 1000 , SECURITY POLICIES - 10000 , STATIC ROUTES - 10000 , CONNECTION /USER QTY - UNLIMITED , AUTHENTICATED USERS (INTERNAL DATABASE) - 5000. REMOTE MANAGEMENT PROTOCOL : SNMP 2, SNMP, HTTP, HTTPS NETWORK / TRANSPORT PROTOCOL:L2TP, IPSEC, PPPOE ENCLOSURE TYPE:RACK-MOUNTABLE VOIP PROTOCOLS : H.323, MGCP, SCCP, SIP PERFORMANCE : 3DES THROUGHPUT : 1 GBPS, FIREWALL THROUGHPUT : 1 GBPS DIMENSIONS (WXDXH) : 17.5 IN X 17.2 IN X 5.2 IN WEIGHT : 30 LBS MANUFACTURER PART NUMBER: NS-ISG-1000-DC . . .