Psion Teklogix OMNii HDK XT10, Руководство пользователя

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Chapter 7: Docking Stations
Docking Station Expansion Module (X-Mod) Connector
Psion Teklogix Omnii HDK User Manual 113
For a custom X-Mod expansion module that has one or more external connectors, a custom cover
must also be designed, with openings in the back to accommodate these connectors. The external
connectors should be flush with the back cover when installed, and the cover openings should fit
as closely around the connector as possible to prevent dust ingress. Reference files are included
with the HDK which show 2D and 3D views of both the standard blank X-Mod cover for the
ST4002 docking station, and the cover for the RS-232 / Ethernet expansion module of the ST4003
docking station.
Installing X-Mod Expansion Modules
Installing an expansion module in the X-Mod socket is a simple procedure.
1. Remove all power from the docking station.
2. Use a Phillips screwdriver to remove the four M3 screws holding the cover to the bottom
of the docking station.
3. If an existing module is installed, use a Phillips screwdriver to remove the three M2
screws securing it to the docking station, then carefully lift the expansion PCB to discon-
nect it from the X-Mod socket.
4. Align the 20-pin header of the new expansion module with the X-Mod socket on the
docking station, and press evenly on the PCB to snap it into place.
5. Install three M2 x 4 mm Phillips screws to secure the expansion module to the docking
station. Torque the screws to 2.5 in-lb (0.28 N-m).
6. Fit the cover into place over the X-Mod cavity, making sure any external connectors fit
properly through the openings in the back of the cover.
7. Install four M3 x 8 mm Phillips screws to secure the expansion module to the docking sta-
tion. Torque the screws to 2.5 in-lb (0.28 N-m).