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24 Intel
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NetStructure™ MPRTM4808 Rear Transition Board Installation Guide
Installation
3.7.3 Serial Connectors
Two serial devices can be connected via the two COM connectors, and one USB device (e.g., USB
keyboard, USB mouse) can be connected via the USB connector.
Note: The two COM ports are only available if the Intel MPRTM4808 board is used together with the
Intel NetStructure MPCBL5525 System Master Board.
Figure 19 shows how the USB connector pins are assigned.
COM connector pins are assigned as shown below.
Figure 19. USB Connector Pinout
Figure 20. COM Connector Pinout
RTS
DTR
TXD
GND
GND
RXD
DSR
CTS