Ports & interfaces
I/O ports	- LAN Ports: Four (4) 10/100 Mbps auto-sensing, Auto Uplink RJ-45 ports (one Cat 5 UTP cable included) -WAN Port: ADSL RJ-11, T1.413, G.DMT, G.Lite, ITU Annex B

Security
Firewall security	Stateful packet inspection (SPI) firewall
VPN support	NAT traversal (VPN pass-through) for IPSec, PPTP and L2TP VPNs

Features
Minimum system requirements	- ADSL Internet service - Ethernet connection (adapter and cable) for each PC - TCP/IP Networking software (Windows 98, Me, NT, 2000, XP, NetWare, UNIX, Linux ) - Internet Explorer 5.0 or Netscape 4.7 or higher

Operational Conditions
Operating temperature range (T-T)	0 - 40 °C

Weight & Dimensions
Weight	600 g

Other features
Power requirements	15VAC 1.0A
Maximum data transfer rate	0.054 Gbit/s
Dimensions (WxDxH)	255 x 34 x 169 mm
Compatible operating systems	Windows 98, Me, NT, 2000, XP, Mac OS, NetWare, UNIX, or Linux