Steve's Summary of Video Switch Options
We have 25 analog cameras, so we need at least a 25 input matrix. We have 7 analog monitors in the control room, plus a few quads. So we should have more than 16 outputs.
attachment:vidscreen.png
Kramer VS-3232V
[http://www.kramerelectronics.com/products/model.asp?pid=601]
This has 32 inputs and 32 outputs (all BNC), video only
Control via RS-232 or Ethernet.
Ethernet software is unfortunately Windows based.
Price: $4000, warranty: 7 years, support: till parts exist ~ 7 years,
MT3232-V1AO, composite video matrix switch
[ http://www.altinex.com/Products/MultiTasker/MT%20Matrix/Summary.html ]
Technical specification: [http://www.altinex.com/Products/MultiTasker/MT107/MT107-100/MT107-100_LG_img.htm]
Modular built:field replaceable, ea unit to switch 8 BNC input to 8 BNC output, Control: RS-232
Price: ~6,000., warranty: life time
[http://www.altinex.com/Products/MultiTasker/MT102/MT102-191/MT102-191_LG_img.htm ]
NExt One
Etc