The BELDEN SPIDER 4TX/1FX is a discontinued Ethernet rail switch featuring 5 ports (4x 10/100 Mbit/s RJ45 and 1x 100 Mbit/s MM SC) with unmanaged store-and-forward switching capability. It operates at 9.6-32 VDC, supports DIN rail mounting, and has status LEDs with IP30 protection rating.