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Fast Ethernet PIC (T640 Router)


Software release


  • 4 100Base-TX ports

  • Power requirement: 0.14 A @ 48 V (6.8 W)

  • Model number: PB-4FE-TX

Hardware features

  • High-performance throughput on each port at speeds up to 100 Mbps

  • Source and destination Media Access Control (MAC) address filtering

  • RMON EtherStats packet buffering

  • 802.3 Ethernet standard compliant

  • MTUs up to 1533 bytes

  • 1,024 autosensing 802.1q VLANs per port

Software features

  • Autosensing full-duplex and half-duplex modes

  • Virtual Router Redundancy Protocol (VRRP)

  • 802.1q virtual LANs (VLANs)

  • Circuit cross-connect (CCC) VLAN

Cables and connectors

  • Connector: Two-pair, Category 5 unshielded twisted-pair connectivity through an RJ-45 connector

  • Pinout: MDI noncrossover



Status LED, one bicolor:

  • Off—PIC ports not enabled.

  • Green—PIC is operating normally.

  • Red—PIC has an error or failure.

4-port PIC—One pair of port LEDs:

  • Link LED—If green, the port is online; if there is no light, the port is down.

  • RX LED—If flashing green, the port is receiving data; if there is no light, the port might be on but is not receiving data.