REFLECTOR: GRT HXr USB expansion

[Don Johnston]

EIS
Com1
Com2
Nav1
GPS
Transponder
Audio Panel
AHRS1
AHRS2
AP
VPX


On Tue, Feb 11, 2014 at 4:09 PM, Glenn Babcock
<glennbabcock at roadrunner.com>wrote:

> Hi Don,
>
> I have a GRT HXr and an Android tablet connected via Bluetooth.  Here a
> picture of my panel on the GRT forum:
> http://www.grtavionics.com/forum/viewtopic.php?f=19&t=189
>
> Despite having lots of toys connected I'm doing fine with 8 ports on a
> single display:
>
> 1. IFR GPS (GX60)
> 2. AHRS
> 3. SL30 (remote COM)
> 4. EIS
> 5. VFR GPS
> 6. TT22 (ADS-B out)
> 7. GRT AP
> 8. none
>
> My USB connections are:
>
> Port 1: USB data stick
> Port 2: USB Hub
> Hub 1: Sky Radar (ADS-B In)
> Hub 2: Bluetooth (tablet network)
> Hub 3: none
>
> The only thing I don't have is the WAAS GPS, but that will replace the
> GX60.  Even if I had a second AHRS I would have enough ports.
>
> So I'm curious, what do you need 11 ports for?
>
> Regards,
> Glenn
>
>
> Regards,
> Glenn
>
>
> On Feb 11, 2014, at 1:29 PM, Don Johnston <numa at comcast.net> wrote:
>
> Not exactly...
>
> Here's what I posted:
>
> Update...
>>
>> I was just told by GRT that the USB ports on the HXr are not programmed
>> to receive the type of signals from the avionics.
>>
>> They are setup for uploading the EFIS software, downloading flight data
>> and *communicating with either XM weather or ADS-B devices.*
>>
>
> The bottom line (at least as far as the reason the thread got started) was
> that I had about 11 devices that required serial ports. None of these
> devices were weather or ADS (or radar). Which meant there was no workaround
> for the requirement of a second EFIS screen to get additional serial ports.
>
> Respectfully,
> Don
>
>
>
> On Tue, Feb 11, 2014 at 12:14 PM, Lawrence Epstein <ljepstein at hotmail.com>wrote:
>
>> Last week, the discussion over what the USB ports ended with a post that
>> Carlos @ GRT said the USB was not available for expansion or anything but
>> software upload and data download.
>> Carlos is the expert, but I think he was mis-understood.
>>
>> Here is the USB section of the HXr installation manual:
>>
>> "USB
>> The preferred method of data transmission for newer devices is USB. Just
>> like the USB port on your
>> computer, an EFIS USB port is easy to connect and transmits large amounts
>> of data quickly. USB
>> devices do not require you to program a baud rate. *The HXr has two USB
>> ports that may be used*
>> *for two USB devices, or you may attach a USB hub to run up to three
>> devices. Some ADS-B units,*
>> *such as the Radenna Skyradar, offer USB data transmission.* Software
>> updates are also delivered
>> to the EFIS via USB- simply install the software update files onto a USB
>> thumb drive from the GRT
>> website, then install the thumb drive to the EFIS USB port. The EFIS will
>> upload the files when you
>> follow the Update instructions in the system Setup Guide. Most people
>> choose to leave a USB
>> extension cable plugged into the USB port for easy software updating.
>> Flight and engine data may
>> be recorded to a USB thumb drive as a "demo file" for later examination-
>> a useful feature for
>> collecting flight test data."
>>
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