20 Chapter1·NokiaSecuritySolutionsOverview Figure 1.12 The Nokia IP1260 Platform The IP1220 requires IPSO 3.7 or later and ships with 512MB of system memory that is expandable to 1GB. The IP1260 requires IPSO 3.8 and later and ships with 1GB of system memory that is expandable to 2GB. Both appliances contain two storage device slots, two PCMCIA slots, a console port, a serial port, and a four-port Ethernet management interface. The PMC expansion slots are capable of supporting the following types of cards: Four-port Ethernet (10 or 100 Mbps) Dual-port Ethernet (10 or 100 Mbps) Dual-port fiber-optic Gigabit Ethernet Dual-port copper Gigabit Ethernet (10/100/1000 Mbps) Single-port ISDN S/T Single-port V.35 or X.21 Single-port E1 Single-port T1 IP2255 Nokia IP2255 appliances are ideally suited to handle small packet sizes, short-lived sessions and short-lived connections, and to provide secure Internet connectivity. The appliances use accelerated data path (ADP) technology to deliver gigabit firewall and VPN forwarding per- formance when running Check Point VPN-1 enterprise applications. The ADP technology also allows the Nokia operating system and Check Point VPN-1 enterprise applications to accelerate other data link, network, and transport layer functions. The IP2255 is a three-rack unit (3U) appliance that incorporates a serviceable slide-out tray into the chassis design. Nokia IP2255 appliances are designed to meet high-end availability