Optional Features And Accessories; Rs-232 Port - Juniper Mesa Pro User Manual

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3. Optional Features and Accessories

This chapter discusses the optional features that can be included

with the Mesa Pro Rugged Tablet.

An RS-232 9-Pin D-Sub connector is an optional feature for the

Mesa Pro. Depending on the settings, it will provide either 5 V DC

or 12 V DC on pin 9.

The Device Settings app allows you to configure the behavior

of the RS-232 port. To view the default configuration and make

adjustments, go to the Device Settings app > RS-232. The default

configuration for RS-232 is shown:

The following options can be edited to suit your application:

■

RS-232 port: When this is turned off, the RS-232 port powers

down. When this option is on, it powers up the RS-232

hardware. It then displays the assigned COM port number.

Note: If you do not have a device plugged into the RS-232

port, the port pins corrode more quickly when left powered

up. Use the setting to power down when it is not going to be

used.

Note: Power consumption during sleep is higher when the RS-

232 hardware is powered up.

3 Optional Features and Accessories

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