I am looking for a device that meets the following criteria.
I'd add:
g) Inexpensive, so it can be widely deployed.
A Basic Stamp might be the platform for such; but I've
retired from hardware hacking projects. I'd suggest queries to
sci.electronics.design in hopes of finding someome interested.
g) Inexpensive, so it can be widely deployed.
That's why I suggested talking to a college
sophomore. This is the kind of thing that
electronics engineering students do for
a 3rd year project.
A Basic Stamp might be the platform for such;
I don't think that a Stamp or PICAXE will work.
These are PIC devices with built-in BASIC
interpreters. To do the SNMP, you need an
IP stack on the device and that really has
to be done in assembly language. All of the
PIC projects I have seen interfacing to
Ethernet or to RS-232 IP interfaces, have
been done in assembly.
As I said, 99% of the design work on this
is available out there on the web. You just
need someone willing to put it all together
and manufacture the boxes.
For an alternative approach, have a look
at Netguardian. http://www.dpstele.com/products/ne/netguardian/
High capacity SNMP Alarm connector, NEBS 3, etc.
--Michael Dillon