| Manufacturer | Zyxel |
| Manufacturer Part # | P663H51 |
| Cost Central Item # | 10237659 |
| Product Description | ZyXEL Prestige 663H-51 - Router + 4-port switch - DSL - Ethernet, Fast Ethernet external |
| Device Type | Router + 4-port switch (integrated) |
| Form Factor | External |
| Approximate Dimensions (WxDxH) | 8.1 in x 5.7 in x 1.3 in |
| Approximate Weight | 14.1 oz |
| Routing Protocol | RIP-1, RIP-2, IGMPv2, IGMP |
| Data Link Protocol | Ethernet, Fast Ethernet |
| Network / Transport Protocol | TCP/IP, PPTP, UDP/IP, L2TP, ICMP/IP, IPSec, PPPoE, PPPoA, AAL5, ARP |
| Remote Management Protocol | SNMP 1, Telnet, SNMP 2c, HTTP |
| Digital Signaling Protocol | ADSL2, ADSL2+ |
| Features | Firewall protection, DHCP support, NAT support, PAT support, NAPT support, load balancing, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, Stateful Packet Inspection (SPI), dynamic DNS server, manageable, VPN passthrough, firmware upgradable, DDos attack prevention, Quality of Service (QoS), DHCP server |
| Compliant Standards | IEEE 802.1Q, IEEE 802.1p |