Colin, I know that we mention this from time to time at meetings but I want
to say it once again.  You consistently go above and beyond our
expectations.  We would be in a world of hurt without you working on these
projects.


On Wed, Mar 27, 2013 at 8:15 AM, Ron <[email protected]> wrote:

> Are you still maintaining the "Networking" wiki page?
>
> Ron
>
> On 2013-03-27 02:22, Colin Stanners wrote:
> > So that everyone knows what I'm working on and can give advice/comments.
> > (Also so that I don't forget the details of all these...)
> >
> >
> > Wiring (following the 'harder/longer job = add more spare wires' rule,
> and
> > using
> > white wires & white wire trays in corners so they're invisible to the
> > landlord)
> > -----------
> >       Done: 6x wires from above-bathrooms to downstairs door:
> >                 1x cat5 + 1x 18/2:  card access, doorbell
> >                 2x cat5: outside front door camera and either inside
> front
> > door or street camera
> >                 1x cat5 + 1x 18/2: spare wires  (both above cameras can
> be
> > put on 1x cat5 to allow another spare).
> >
> >       Done: 5x wires from server room to above-bathrooms:
> >                  1x 22/4 wire: card access serial control, maybe patch to
> > fire panel
> >                  2x cat5: to Sksp main network switch
> >                  1x cat5: VGAoverCAT5 so projector can show security
> > cams/other video from VGA splitter
> >                  1x cat5: 4x video feeds (2x front door, sksp2 door,
> spare)
> >
> >       In progress: 3x wires from above-bathroom to end of classroom:
> >                  1x cat5: was going to be for flag cameras but I may not
> > install this one now
> >                  2x cat5: likely will connect back to main sksp switch
> >
> >
> > Doorbell
> > ------------
> > It works and causes an annoying sound to come from the box above the
> > bathrooms - later I'll wire it so the bell will always ring when the card
> > access
> > system's power is disconnected (may have enough battery power to last
> hours)
> >
> >
> > Cameras (old analog models running 12-24v power and video over cat5)
> > -------------
> > 7:  Both ends of the rear parking lot; back door (needs better mount);
> > elevator;
> > outside Sksp2 door; outside front door; and either inside front door or
> > street.
> >
> > A PC - either Zewwy's nice donated machine or the active card access PC -
> > running 2x analog 4-input cards (currently the crappy $10 ones that only
> do
> > 2
> > FPS; possibly better ones later) and Zoneminder under Linux or BlueIris
> or
> > IspyConnect under Windows to capture video upon motion, also web viewing.
> >
> > I bought a 1x4 VGA splitter from Monoprice and eBay VGAoverCAT5 adapters*
> > so that the view from the security PC can be sent to the currently-unused
> > second VGA inputs on the projectors and can be easily brought up. Of
> course
> > any other signal can be sent to the projectors this way for presentations
> > etc.
> >
> > *I got the cheap $1 units that just couple the cables; not the $100 units
> > that include
> > filters, converting the unbalanced signals to differential ones to work
> > better over
> > twisted pair, and skew correction. I'll do homemade skew correction by
> > calculating
> > the length of the cat5 and measuring some pairs a bit longer so they all
> > 'match'
> > electrically. The length ratios of different pairs in cat5 are at the end
> > of the wikip page.
> >
> >
> > Projectors
> > -----------
> > Sksp lounge: I'm getting the same MP stand so it can be roof-mounted too
> >
> > Classroom: need to install wire guide to make power/VGA runs nicer. If
> the
> > power
> > outlet over the bathroom happens soon it can feed the projector instead
> of
> > having
> > an ugly wire run down the side of the classroom wall.
> >
> > Both of these will have a line from the VGA splitter delivered over cat5,
> > as above.
> >
> >
> > Outside back wiring
> > ----------
> > I installed a pipe in the back door frame so running wires is super easy.
> > Still
> > would be good to install a pipe or guy wire to allow a nicer run to top
> > level of
> > the fire escape and up to roof for later antennas (satellite, amateur
> > radio, etc).
> >
> >
> > Internet access and link to AW
> > ----------
> > We're still dependent on the AW link for internet, VOI needs time to
> > install a
> > dedicated dish.
> >
> > We've had the hardware to upgrade the 10x4mbit AW link to 100x100mbit
> > since the beginning but it's quite a few hours to
> setup/configure/install.
> >
> >
> > Network Monitoring
> > ----------
> > Having a Linux box running MRTG to show the traffic on all switch ports,
> > maybe
> > even local temperature and network rack power usage (measured at UPSes).
> >
> >
> > Doorbell and camera at outside loading dock door
> > ----------
> > I'm considering this, does anything think it'll be useful?
> >
> >
> > Changing subnets
> > -------------
> > Changing 192.168.1.x net to 172.16. would allow VPNing (from Linksys
> > routers etc).
> > Also maybe separate the 'sksp' and 'wifi / public / untrusted' on
> different
> > networks.
> >
> >
> > Card access fixes
> > -------------
> > Would be nice to have a button upstairs to remote open downstairs door
> > (next to the sksp phone?) easy to do but need to run a wire there, or get
> > one
> > of those cheap ebay remote controls. Front door is missing a sensor that
> > lets the system know when the door is open because the door was closing
> > too tight against the frame for one to be installed (note hole in door),
> > fix soon.
> >
> >
> > Internal web page with links to all device web interfaces
> > -------------
> > The one I did for AW is useful, will make one for Sksp one day
> >
> >
> > Card access control PCs (both currently sitting in pieces)
> > -----------
> > The Shuttle PCs (I always want 2 units with identical h/w, for easy
> backup)
> > have had issues for awhile due to bad capacitors that are a bigger job to
> > replace. We didn't have any identical PCs around sksp that I could use so
> > Ian
> > donated an old pair... that were from around the same era and turn out to
> > also
> > have bad capacitors. But those are better engineered (IBM) and easier to
> > recap.
> >
> > The Shuttle PCs have been partially recapped (mobos and PSUs) but once I
> > move to the IBMs they may appear in the pile of doom if anyone wants
> them.
> >
> > The fobs I've been giving out recently were PegJam ones that had been
> > activated when the PCs were still working... need to fix soon before I
> run
> > out.
> >
> >
> > Skullspace door: allowing landlord access and easy exit
> > ---------
> > I got a motion detector from eBay to allow auto-unlocking when
> > people get close to the door inside, but in the process of converting its
> > relay
> > from the positive terminal to connecting the negative terminal
> > I seem to have broken something since now it won't un-detect after boot.
> >
> > Door access for landlord/staff without keyfob: may be possible to move
> the
> > current deadbolt to the "main" doorknob to make it work, but this is
> > far on my to-do list right now, or $500 to get done by a locksmith.
> > This would also allow exit without needing to push a button - preferable.
> >
> > Another option people mentioned would be a keypad at the door that
> unlocks
> > the door - this is easy and cheap to do but I'd rather have the standard
> > key option.
> >
> > Door remote control: would be nice to have; need to buy a copy of Kantech
> > Entrapass SE ($300, but I may be able to get a bit cheaper price). I got
> > an old version of that software (Winpass64 from 2001) for $15 off ebay to
> > try it out but that software was *garbage* (Win3.1 interface, some kind
> of
> > constant database layer concurrency issues, horrible/illogical design,
> etc.)
> >
> >
> > Hooking access control to fire alarm for auto-release:
> > -------------
> > Should be easily doable, I'll need to check if I can do it or if we need
> > someone with a license to come in and do it.
>
> > _______________________________________________
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> > Archive: https://groups.google.com/group/skullspace-discuss-archive/
>
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-- 
) thor.robinson;
) icon/phreshlyspun/ppca/skullspace

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