Horizontal or vertical desktop placement for flexible positioning options; wall-mountable with optional mounting hardware (not included). 2-level password-protected access helps prevent unsupervised use One 10/100Base-T Ethernet port with auto MDIX crossover for ultrafast Web connectivity; capable of downloading at speeds up to 100 times faster than 28.8Kbps analog phone modems Supports ATM Adaptation Layer 5 (AAL5), RFC 2516 PPPoE, RFC 2364 PPPoA, RFC 1483/2684 bridged Ethernet, RFC 1483/2684 routed IP, IEEE 802.1Q VLAN, PPP (PAP, CHAP, IPCP, LCP), IPoE, DHCP Client, DHCP server, DHCP relay and dynamic DNS network protocols VPN passthrough for PPTP, L2TP, and IPSec protocols Built-in stateful firewall with denial-of-service (DoS) protection helps keep your network safe from virtual intruders and harmful Web traffic Supports TR-069, TR-104, Web UI (HTTP) and CLI (Telnet) remote device management; UPnP capable Power, Ethernet, DSL, Internet, and activity LED indicators keep you aware of the modems connection status.