Features:

Full duplex capability, firewall protection, auto-sensing per device, IP-routing, DHCP support, NAT support, VPN support, NAPT support, trunking, VLAN support, Syslog support, DoS attack prevention, ALG support, DiffServ support, E-mail alert, integrated CSU/DSU, Weighted Fair Queuing (WFQ), SMTP traffic control, Quality of Service (QoS)

Form Factor: External - modular
Installed Modules Qty (Max): 0 (installed) / 1 (max)
Processor Type: 1 x Motorola MPC866 80 MHz
Memory RAM: 32 MB
Flash Memory: 16 MB
Connectivity Technology: Wired
Data Link Protocol: Ethernet, ATM, Fast Ethernet, HDLC, Frame Relay, PPP, MLPPP
Network / Transport Protocol: IPSec, PPPoE, PPPoA, DHCP, PAP
Routing Protocol: OSPF, RIP-1, RIP-2, BGP, IGMPv2, GRE
Remote Management Protocol: SNMP 3, HTTP
Status Indicators: Link activity, power, transmit, receive
Compliant Standards: IEEE 802.1Q, IEEE 802.1x
VoIP Protocols: SIP
Expansion Slots Total (Free): 1 ( 1 ) x expansion slot
Interfaces: 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45 1 x management - console - 9 pin D-Sub (DB-9)
Encryption Algorithm: DES, Triple DES, MD5, AES, IKE, SSL, DSS, SHA-1
Authentication Method: SecurID, Secure Shell (SSH), RADIUS, PAP, CHAP, X.509 certificates, TACACS+
Compliant Standards: CE, CSA, UL, cUL, FCC Part 68, RoHS
Power Device: Power adapter - external
Voltage Required: AC 120/230 V
OS Provided: ADTRAN OS