You will need 6 coaxial jumpers (one on each side of the polyphaser) unless you use the Nfemale-Nmale protector. Add in 6 rolls of 3m 33 Electrical tape ($2.50ea) as well as a can of 3m liquid electrical tape ($10-20). Don't skimp on the weatherproofing! You will need an enclosure at the base of the tower (unless there is a building) to put the power supplies, router, powerShot, etc... .
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Friday, July 18, 2003 12:33 AM To: Bill Flood Subject: Re[4]: [smartBridges] New Firmware On Fri, 18 Jul 2003, Lancaster Networks wrote: > I need to provide them with a COMPLETE proposal of this whole thing, > and right now, this is what I am going to propose to them: > > (3) SmartBridges AirPoint Pro Outdoor @ $330.00 ea = $990.00 > (3) Maxrad 120 degree beamwidth antenna @ $407.52 ea = $1222.56 > (3) LMR-400 4ft jumper coax cable @ $24.00 ea = $72.00 > (3) Polyphaser 2.4ghz coaxial lightning protectors @ $35.66 ea = > $106.98 Looks good. > Has anyone needed to use polyphasers? We use them as a standard where > you have 100-300 foot hardline runs, but in this case, it's ethernet > cable. But I don't feel like climbing up the 300 foot tower to replace > a blown radio either. Polyphasers rock. But you know this already. Put a Coax protector on the N connector at the radio, and run your antennas pigtail off of that. Be sure to ground the polyphaser well. The SmartBridges use a plastic case, so you can't ground em. Once the ethernet comes inside, put a Polyphaser IS-T1 protector on the ethernet. They make a three port model, would be perfect for you. Bear in mind you will need to protect the PoE seperately. The IS-T1 only protects two pairs. (Or 2 pairs X 3 ports on the IS-3T1) > This brings me to another point, are SB's products reliable enough > that I won't need to spend my entire life climbing the tower to fix > them or reflash them? them? There are no serial ports on the units, and you can reset the configuration from the power injector, so I don't see why you would need to climb, except to replace the entire radio. My APs are all Cisco or Trango, never used SmartBridges anywhere other than a CPE. Not sure if I would trust them. > I plan on mounting the antenna's with a bit of a downtilt, but all at > the top of the 300' tower, because I am looking for long-range > performance. Any methods for calculating downtilt that work good? I've > used my knowledge in the broadcast/radio industry to make my own > calculations, and with the use of ComStudy (an excellent program for > calculating RF propagation) YDI (www.ydi.com) has a number of javascript forms that will do all the common calculations for you. Check em out. Jeremy (Fromer Lancasterite) The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
