[AG-TECH] Having trouble with receiving video

Wed Feb 11 11:54:58 CST 2009

I am trying to test our Access Grid room and have been running into a
problem of not being able to get video from the site I connect with to
display on my screen. I tried to test the application with the
University of Arkansas using a connection set up through the Access Grid
Scheduler, which the individual I was working with was kind enough to
establish. When I connected to the link, the Access Grid software
started and the three images from my cameras displayed in the screen
that opened, but I was not able to see video from the University of
Arkansas site and we both did not show that each other had connected. To
determine if I was able to get any video, I tried to connect to the
Argonne and the NCSA lobbies to see if I could at least get video to
display and I was unsuccessful. Some other information that may help is
that I do not show any other sites connected to the nodes, but I do see
files listed under data. The response I receive from the Access Grid
software is that I have connected and does not display any errors which
makes me believe I may simply just have something configured incorrectly
within the software. Any suggestions on what I may be doing wrong.

Our institution set up an Access Grid room with the following equipment:

Access Grid 3.1 software installed on Windows XP systems

8 - Ceiling mount Crown CM30W microphones

6 - Bose model 16 Ceiling speakers

1 - Clear One XAP800 8 Channel Echo Canceller/DSP

1 - Toa A714 Amplifier

3 - Sony EVID100 PTZ Cameras

4 - Extron RGB190FV RGB Interfaces

1 - Extron DA2 RGBHV 2 Output DA

1 - Crestron control system

3 - NEC LT35 3000 Lumen XGA Projectors

HP Cat5 KMV Server Console Switch

5'X20' Screen

24 port Polycom Video Conference Bridge (I have not been able to
determine how to incorporate this equipment into the Access Grid
configuration)

Display Computer

HP XW9300 Workstation

Duel AMD Opteron 2GHz processors

2 - Nvidia Quadro NVS 285 128MB PCIe graphics cards

4GB DDR400 ECC Ram

4 - 146GB U320 SCSI 10k Hard drives

16x DVD+/-RW Lightscribe

Integrated Sound Card

2 - Dual DVI Cable Kit

1 - U320 SCSI Raid accessory

Video/Audio Capture Computer

HP XW6200 Workstation

Dual Intel Xeon 3.6GHz processors

Nvidia Quadro NVS 285 128MB PCIe Video Card

2 - 160GB SATA 3Gb/s NCQ 7200 hard drives

2GB DDR2-400 ECC RAM

16X DVD+/-RW Lightscribe

Integrated Sound Card

Vidium 4400AV Audio/video capture card

Thank you in advance,

Emile Pelotte

Meharry Medical College

Nashville, TN 37208

615-327-6259 (o)

615-533-9935 (c)

epelotte at mmc.edu

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