User guide

6 - 12 MC909X User Guide
Provides serial connection through the serial pass-through port for communication with a serial device,
such as a host computer.
Provides USB connection through the USB pass-through port for communication with a USB device,
such as a host computer.
Charges the mobile computer’s battery, when used with the appropriate power supply.
Attaching and Removing
To attach, snap the MSR onto the bottom of the mobile computer.
Figure 6-10
Attaching the MSR (MC909X-G shown)
To remove, squeeze the latch grips and pull the MSR from the mobile computer.
NOTE When a mobile computer with Windows Mobile 5.0 is connected to a host computer through the MSR and
an ActiveSync connection is made, the WLAN and WWAN radios (if applicable) are disabled. This is a
Microsoft security feature to prevent connection to two networks at the same time.
NOTE Remove the MSR from the bottom of the mobile computer before using a cradle for charging and
communication.