Great information Rick! I like you idea of "gutting" the unit. Our units are set with static IP addresses. They are at least a year old now...maybe they changed that to only allow DHCP in later revisions?
Best, Brad -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rick Harnish Sent: Friday, September 01, 2006 10:14 AM To: 'WISPA General List' Subject: RE: [WISPA] Battery Backup Brian, We made an inexpensive Rebootable UPS out of an APC BH500NET. It has a web interface to reboot the system and Ethernet ports to connect to. It was designed as a cheap office/residential device. Lowest price I can find today is $95. We gutted the components from the original case and put in a weatherproof Carlon box. It voids the warranty but gives you a nice little cheap unit for those remote sites. I just looked at the runtime on this unit and it says 53 minutes. It is drawing 40 watts of consumption. One thing we did have to do is write firewall rules to only allow access from our office IP range. It seems as though the http security is lax and is prone to hack attempts. The other fault of this unit is that you cannot assign it an IP address statically. It will pick up a DHCP address only, then you need to reserve that IP. It has it's drawbacks but for the money, it is a nice little tool. I took this up with APC support and they told me they had no intentions of rewriting the software to make it more manageable. I have included pictures of our final product. I'm not sure if this addresses your need but it is an option. Rick Harnish President Supernova Technologies, Inc. 260-827-2482 Founding Member of WISPA -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher Sent: Tuesday, August 29, 2006 4:37 PM To: Conversations over a new WISP Trade Organization Subject: [WISPA] Battery Backup I need help making a battery backup system. I attached pictures of what I have. It's a power inverter, auto transfer switch, Air Conditioner type disconnect, and a deep cycle marine battery. I want to do something like this at some remote sites. What can I do better, more efficient, maybe cheaper, or just different. I want to know all the options. Brian -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
