Found a work-around that seems OK.

Post #146,147 by Another Scott 3/14/04 2:47:20 PM Reply	Found a work-around that seems OK. The SSID does need to be the same for every AP or machine on the same wireless network. I guess I was having problems because the two wireless boxes were too close to each other. The 900AP+ has a "Wireless Client" mode. There's a "Site Survey" button that will sniff out available wireless MAC addresses. Since DHCP only works if the PC can find a DHCP server, I set a static IP address on my T41 laptop and entered the DNS numbers. While I was on the other end of the house, I hooked up the 900AP+ to the Ethernet port on my T41 and had it sniff for wireless MAC addresses. It found one so I selected "Wireless Client" mode. It works - it finds the wireless network and then the Internet. It seems like the connection is stronger than simply using the wireless built into the laptop, but there's no signal strength indicator in this arrangement. :-( Thus, I can have an Internet connection using our PowerBook or T41 by simply plugging into the 900AP+. No additional hardware is required. To make a true wireless connection I'll need a Repeater that is compatible with an AP (so I'd need a different AP to work with the 900AP+). The real benefit is this arrangement should also let me do pseudo-wireless work with [link\|http://z.iwethey.org/forums/render/content/show?contentid=146030\|Xandros]. Yay! No more wireless purchases needed for a while! :-) Cheers, Scott.
Post #146,148 by Another Scott 3/14/04 2:51:49 PM Reply	Does work with Xandros, and DHCP works too.
Post #146,150 by FuManChu 3/14/04 3:42:06 PM Reply	Thanks for the update! I was clueless but interested. :)
Post #148,196 by dmarker 3/24/04 3:12:04 PM Reply	Have you prefixed the two chans more than 5 apart ? Each bow will operate on its own channel - less than five apart incurs a slight overlap of frequecies. Doug M
Post #148,202 by Another Scott 3/24/04 3:36:24 PM Reply	I didn't change any channels. Could you elaborate? All of my wireless stuff is on the default channel (6?). Thanks. Cheers, Scott.
Post #148,244 by dmarker 3/24/04 5:40:46 PM 3/24/04 6:01:04 PM Reply	Wi Fi Channels On the A/P you can nominate which channel the A/P broadcasts on. The adapters in your computers tune in to that frequency. 802.11b has 11 (& boxes that are 802.11g & backward compatible to b do same) << #3 according to D-Link website, 802.11g uses 12 chans & these get bonded in pairs (thus down to 6 channels) when used for high-speed comms (54mbs & 108mbs) My current 802.11g/b is a Netgear WGR614 that can do 54mbs & have ordered a D-Link 802.11g/b that can do 108mbs, also have a few 802.11a units that can do 108mbs) >> The frequecies of these channels vary between world regions so each modern A/P allows you to set the region & if you want, the base channel to operate on. Each channel frequency is only slightly different from the one below it and they overlap. Most 802.11b will use channel 11 by default 802.11g will channel 3 by default. These are well apart. If (as we do at work) you have multiple A/P units and want roaming, then to prevent adjacent A/P interference we stagger the base channel choice in the A/Ps so that adjacent A/Ps are 5 channels apart. This provides minimal interference as our workers roam the warehouses with their 802.11b units. The only other point (that am sure you know) is that at 2.4Ghz, the 802.11b & g units are vulnerable to interference from wireless mice, keyboards, bluetooth & many microwave ovens. Doug PS 802.11a has 13 channels & will get at least 11 more. High speed WiFi is achieved by using two channels concurrently (e.g. 108 Mbs). Both the A/P & the adapter need to support the mechanism for using the 2 chans & this tends to vary among brands. #2 #3 #4 minor corrections additions Edited by dmarker March 24, 2004, 05:41:57 PM EST Edited by dmarker March 24, 2004, 05:50:54 PM EST Edited by dmarker March 24, 2004, 06:01:04 PM EST Expand All History
Post #148,378 by Another Scott 3/24/04 10:28:59 PM Reply	Thanks. When I get some time I'll try playing with the channels on the APs and see if that improves the wireless coverage. The only other point (that am sure you know) is that at 2.4Ghz, the 802.11b & g units are vulnerable to interference from wireless mice, keyboards, bluetooth & many microwave ovens. I "discovered" that a few months ago with our Powerbook G4. We had a 2 GHz cordless telephone in the same room and I'd always lose the network connection when it was used... I considered replacing it with a 5.x GHz phone but, IIRC, there's some potential for interference with them as well. I ended up getting a 900 MHz phone and the problems went away. Thanks again for your help. Cheers, Scott.

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