带串口的防爆以太网扩展器

DDW-226-EX

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WeOS

Protocols and functionality
Serial port technology	Modem Replacement, Modbus Gateway, PPP dial in/dial out and Serial over IP
Resiliency and high availability	Fast Reconfiguration of Network Topology (FRNT) FRNT ring coupling Multilink dual homing IEEE 802.1D (STP) and IEEE 802.1w (RSTP) IEEE 802.1AX/802.3ad Link Aggregation
Layer 2 switching	IEEE 802.1Q Static VLAN and VLAN Tagging IEEE 802.3x Flow Control IGMPv2/v3 snooping AVT Dynamic VLAN (Adaptive VLAN Trunking) Management VLAN (Management Interface concept) Static Multicast MAC filters
Layer 2 QoS	IEEE 802.1p Class of Service
Layer 2 security	IEEE 802.1X Port Access Control MAC Authentication
IP routing, cyber security, firewall and VPN	Static IP routing Dynamic IP routing • OSPFv2 • RIPv1/v2 • Robust VRRP • Static Multicast Routing Stateful Inspection Firewall • NAT and 1-1 NAT, Proxy ARP for 1-1 NAT • Port Forwarding IKEv1, certificates and PSK • IKEv1 • ESP • VPN failover GRE Multinetting Loopback Interface
Manageability	Management tools • Web interface (HTTP and HTTPS or CLI (SSHv2 or Telnet) • SNMPv1/v2c/v3 • Flexible management of configuration and log files Flexible alarm/event handling system USB Fluid configuration (Available for products with USB port) Digital I/O and Flexible alarm/event handling system Syslog (log files and remote syslog server) Port Monitoring SNTP (NTP client) PPPoE client DHCP client DHCP server including option 82 DHCP relay agent including option 82 DDNS
SNMP MIB support	RFC1213 MIB-2 RFC2863 Interface MIB (ifXTable) RFC2819 RMON MIB (etherStatsTable) RFC4188 Bridge MIB RFC4318 RSTP MIB RFC4363 Q-BRIDGE MIB RFC4836 MAU MIB RFC4133 Entity MIB (entityPhysical) RFC4319 HDSL2/SHDSL MIB RFC3433 Entity Sensor MIB RFC3621 Power Ethernet MIB WESTERMO PRIVATE MIB