The EN304 series PCI Ethernet switch adaptor comes with four 10/100BASE-TX RJ-45 ports that complied with PCI bus specifications, rev 2.2. The EN304 supports Rapid Spanning Tree and Fast Recovery
Ring for redundancy. Users may choose the bundle Windows utility for configuration. EtherWAN offers a line of products that provide a total solution for Ethernet applications in Central control environments. EN304 can be an upgraded tool for current IPC system. It also provides one external
power 9-30 VDC power input to prevent the accidently shut down for main system.

- PCI 2.2 Specification compliant
- EtherWAN provide Fast-Recovering support for network redundancy
- IEEE802.1w RSTP, IEEE802.1D STP and IEEE 802.1AB for LLDP (Link Layer Discovery Protocol) compatible
- 10/100Mbps-Full/Half-duplex, Auto-Negotiation, Auto-MDI/MDIX
- Full wire-speed forwarding rate
- Redundant DC power inputs with 9-30 VDC
- -10°C to 60°C (14°F to 140°F) operating temperature range

Please see Datasheet

EN304 4-port
10/100BASE-TX Fast Ethernet Lite-Managed PCI Ethernet Switch Card

Power Supply: (Optional)
*Options A - Terminal Block power supply(s), part numbers: DR-30-24, DR-60-24, DR-75-24, DR-120-24 or 41-136046-X X=1,2,3,4,5