Chapter 3 — SG20T Interfaces
SG20T Tethered Scanner User’s Guide 23
RS-232 Interface
The SG20T can be connected to a host using one of the RS-232 cables.
Power is provided by the external power supply connected to the RS-
232 cable. See the
“Required Accessories” on page 6 for a list of part
numbers for the different cables.
Connecting an RS-232 Cable
To connect with an RS-232 cable
1 Turn off your host device.
2 Connect the RS-232 cable to your SG20T and the host.
3 Connect the power supply to the cable and an AC power outlet.
4 Turn on the host device. The scanner beeps twice.
5 If necessary, use the configuration bar codes in the next section to
configure your SG20T serial parameters to match the PC.
RS-232 cable with power jack
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