USB & Network Interface Mainboard CA74 2129398 02 — FOR Motherboard, Fits EP-804A (804A)

Replacement USB and network interface mainboard, model CA74, part number 2129398 02. Designed to fit and replace the interface board on EP-804A (804A) motherboards. Ideal as a direct swap for units needing USB or network port repairs—confirm compatibility with your EP-804A (804A) system before purchase.