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Hi Angela: We have done many RF installs with Teklogix equipment (disclaimer: we are resellers), and their hardware words as you describe. You have a controller that talks TCP/IP back to the AS400 and the controller maintains the connection back to the 400. However, each handheld is a terminal on the AS400 and basically does 5250 emulation. So, writing code is simple, you write for a smaller 5250 screen. The controller handles the conversations to the various base stations (radios). We have one customer that has wireless devices talking directly to the AS400 via an 802.11 access point, but has a huge problem when the units go out of the coverage range, the 5250 sessions become orphaned. The advantage of the controller solution is that the controller maintains the conversation with the 400 and if the RF terminal goes out of range, it knows how to pick up the connection to the device without losing the connection back to the AS400. Let me know if you have any particular questions. cjg Carl J. Galgano EDI Consulting Services, Inc. 600 Kennesaw Avenue, Suite 400 Marietta, GA 30060 (770) 422-2995 - voice (419) 730-8212 - fax mailto:cgalgano@xxxxxxxxxxxxxxxxx http://www.ediconsulting.com AS400 EDI, Networking, E-Commerce and Communications Consulting and Implementation http://www.icecreamovernight.com Premium Ice Cream Brands shipped Overnight Visit our website to subscribe to our FREE AS/400 Timesharing Service -----Original Message----- From: Angela Wawrzaszek [mailto:awawrzaszek@xxxxxxxxxxxxxxx] Sent: Friday, May 28, 2004 10:06 AM To: midrange-L@xxxxxxxxxxxx Subject: DCS300 Hi all, We currently use a bar code scanner from intermec but we use a "middle man" concept where the data is sent from the RF devices to a PC, validated against the as/400 and then sent to the as/400. We would like to get rid of this middle man concept. I know there is a dcs300 controller that will allow the scanners and as/400 to talk directly. We are looking at purchasing a used one and I guess trying this out as a "proof of concept" that this will work this way and is just as reliable or more than the existing way. This will allow us to bring the programming in house since it is just a 5250 RPG programming. What I would like to know is anyone using this and what do you think of this way. I know the current technology is to move forward with the 2.4 mhz from the 900 mhz. We will move that way eventually as we will be doing another RF project in the next year and the new section will have 2.4 but for now if we could just cut out the middle man pc we would be happy. Then eventually upgrade this section, but the programming would already be inplace it would just be hardware. If anyone has any thoughts/ comments let me know. Thankyou!!!! Angela Wawrzaszek Programmer/Analyst _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@xxxxxxxxxxxx To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/mailman/listinfo/midrange-l or email: MIDRANGE-L-request@xxxxxxxxxxxx Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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