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Needed: Itronix FEX21 COM1 power pinout

0ghma Page Icon Posted 2022-11-05 5:19 PM
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I have inherited an Itronix Fex21 unit. Just the unit, no cables or manuals.
I have no idea if it works, will switch on, has a viable battery, ...

I need to be able to get power into it and the simplest method seems to be the COM1 D-Type socket (it's labelled as taking 12 DC).
Does anybody have a pinout for this *with* the power connections, please? I've found an online user manual that shows the data cable, but this doesn't include the power pins.

Many thanks in advance

0ghma

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torch Page Icon Posted 2022-11-10 5:44 AM
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Doesn't this unit accept AA batteries? That way you can at least start to mess with it
I checked the manual for that model
Quote
Your fex21 will have left our factory without a battery fitted. To set up a new unit
for the first time you should carry out the following steps:
1. Fit the battery pack
• If your fex21 is supplied for use with Alkaline batteries then they will need to
be fitted into the battery pack - you should insert four AA size Alkaline cells
into the battery holder, taking care that the polarity of each is correct. If in
doubt, check the label fitted to the battery holder.
NOTE: Alkaline batteries are less suitable for use in low temperatures and
cannot be recharged.
Rechargeable NiMH (Nickel Metal Hydride) batteries, if supplied, are in a
sealed pack, ready to be fitted into the unit.
• Slot the battery pack into your fex21 by locating the two small lugs in the
side of the computer unit and pressing the battery pack firmly in place until
the two small catches click into position.
2. Switch the unit on
After fitting the battery, press the ù key at the top centre of the keyboard
TWICE to switch your fex21 on - it may take a few seconds before the screen
displays data. To switch off, press the key again. If you have not pressed any
keys for a few minutes, your fex21 will automatically switch off to conserve
power.
When you switch the unit on for the first time, it will display the Windows CE
welcome screen. Tap the screen or press ´ and the Touch Screen
Calibration instructions will be displayed. Read these instructions, then tap
the screen again to start the calibration process. A rectangle will be displayed
on the screen, with a cross at its centre. More calibration instructions will be
displayed above the cross.
Use the pen supplied with your computer and follow these instructions
carefully - your fex21 will then automatically start Windows CE.
NOTE: ensure that only the tip of the pen touches the screen during the
calibration process.
3. Set the date and time
Once the touch screen calibration is complete, the World Clock dialogue box
will be displayed.
If it is not already selected, click on the Home City tab, then select your home
city from the drop list that appears when you click on the downward arrow
symbol (or by starting to type it in, e.g. “l”, “o” will section London).
Once you have chosen a city, click on the Date & Time tab and set the correct
date on the calendar. Then set the correct time on the left-hand clock by
dragging the hour and minute hands on the clock face using the pen, or by
typing-in the time.
Finally, click on the Next tab at the bottom right of the screen. Your fex21 is
now set to the correct date and time, and to your own home city.
4. Record Personal Information
The Owner Properties box will now be displayed. You can, if you wish, use
this to enter your name and contact details (this is optional). Once you have
finished, click on the Next tab again - this will complete the set-up process.
Once set-up is complete, follow the on-screen instructions and your fex21 will
start Windows CE.
The controls on your fex21 are simple and, for the most part, self-explanatory.
The only combination of keys you need to remember is that to reset your
computer, as detailed below.
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0ghma Page Icon Posted 2022-11-17 9:31 PM
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Thanks, Torn. Will check for an AA battery holder when I can get the husky out of whatever cardboard box it's in - we've just moved house
I don't think it has one I'm pretty sure it's rechargeable Li battery only - hence the need for an external power source.
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torch Page Icon Posted 2022-11-17 11:46 PM
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Oh! I understand. The AA support required a carriage tray of some kind that isn’t necessarily built in to the device.

I did some more digging and finally found an eBay listing that had the ac adapter built in. I realize that doesn’t exactly help but when I checked last time all of them didn’t have the adapter at the time.

Even if you don’t purchase it I highly recommending saving those pictures so you have an idea about the ac adapter
Also I found this page with compatible power adapter
Check it out and research those “similar model number adapters” and see if you can find diagrams for those. Obviously make sure they match the “official” one
https://www.ameradio.com/product/430574/description.html

Edited by torch 2022-11-17 11:46 PM
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