External Ethernet Card Why Does An IDNX Card Need An External Ethernet Port?

Why does an IDNX card need an external ethernet port? - external ethernet card

I think it would have a power connection, no ethernet. An input power cord, it is applying for a card before it is connected to the motherboard. The umbilical cord connects power to the card front of the card BX. BX card is installed on a shelf or STS EXS.