Connecting the MRC-921 to a host 8
The MRC-921 MicroBase can communicate with a
variety of host devices, such as personal computers
and point-of-sale (POS) terminals. Each host can
accept data from the MRC-921 through its RS-232
serial port.
Follow the instructions in this section to connect your
MRC-921 to a host.

Connecting to the host’s serial port

1. Make sure the MRC-921’s power pack is not
plugged into an electrical outlet.
2. Turn off the host to which the MRC-921 will be
connected.
See Appendix B for a list of available
cables.
3. Line up the 9-pin connector on the appropriate
MRC-921-to-host cable with the cradle’s DB-9
serial port.
or
Line up the RJ-41 connector on the appropriate
MRC-921-to-host cable with the cradle’s optional
RJ-41 serial port.
! Do not force the connectors to-
gether. You could bend the pins.
4. Gently press the two connectors together.
5. Connect the other end of the cable t o the host’s
serial port.
Refer to page 13 for details. 6. Plug the MRC-921’s power pack into an electrical
outlet.
7. Turn on the host to which the cradle is connected.
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