Anyone got any advice on fibre transmission,

Remote viewing of several cameras over a long distance, roughly 6-8 miles.

Should service providers have some sort of back bone to jump on and if so how exactly does this process take place and work.

Thanks...

are you atually going to install that lenth of fibre cable?

would it be a better bet to have broad band and use remote viewing, theits BT or Virgins problem to get the cables in B)

regs

alan

are you atually going to install that lenth of fibre cable?

would it be a better bet to have broad band and use remote viewing, theits BT or Virgins problem to get the cables in B)

regs

alan

Hi alan,

Broadband is the minimum standard of transmission the customer is asking for, so i have been asked to look into the fibre,

Nice and easy in a close proximity situation but the distance thing is a problem.

Have always been under the impresion that you can hire fibre links from service providers, but not being a fibre engineer its a bit like pea soup.

Hi alan,

Broadband is the minimum standard of transmission the customer is asking for, so i have been asked to look into the fibre,

Nice and easy in a close proximity situation but the distance thing is a problem.

Have always been under the impression that you can hire fibre links from service providers, but not being a fibre engineer its a bit like pea soup.

got to say never had this one to overcome,

i've used fiber over a couple of hundred meters but that was networking. Virgin use fibre technology for their bradband and phone systems, but then its copper from the DB to the premises and not sure if they would entertain it, i'd guess would be very expensive if they did

you might be in that zone where honesty is saying your wishes wont come true, have they seen remote over fast connections with a decent DVR with good compression? what many misunderstand is when they download a clip for review and then view, it's far less jumpy and often better than the 'live' remote view as more frame are available.

regs

alan

Here's one..... go on flea-bay, type in cctv transmitters, you want the 2.5w ones from the dodgey man in hong kong.... there on there, a couple of high gain beam antennas and bob's your uncle.... or customer if his names bob, just be a bit carefull if you see a big white van with ofcom on the side of it as I'm sure cctv is only 10mw on 2.4ghz.... but hey...... who will ever know lol...... cheap, no cables and everyones a winner, top of the mornin to ya!!!! ) 6miles.... that's one sticky hole!!!!

Hi,

We have used BT RS1000 links for a number of schemes, they present at each end what you require, cctv, telemetry RS485/232 etc, the client pays for the link, cost is comparable with other types of transmission systems at the distances your talking.

Ian

last ime we had to use fibre, we paid BT 32 grand to dig 8 miles of road up

last ime we had to use fibre, we paid BT 32 grand to dig 8 miles of road up

like i tend to say, anything is possible as long as it's requirements matches the amount

Anyone got any advice on fibre transmission,

Remote viewing of several cameras over a long distance, roughly 6-8 miles.

Should service providers have some sort of back bone to jump on and if so how exactly does this process take place and work.

Thanks...

There's quite a companies that specialise in fibre CCTV tranmission:

http://www.amgsystems.co.uk/

http://www.fibre-options.com/oldindex/index.html

Alternative for that kind of distance is:

Microwave:

http://www.patex.co.uk/products.htm

http://www.ogierelectronics.com/cctv-1.htm

http://www.fairlink.co.uk/videolinks.html

Or you could go down the "network" route:

ISDN

ADSL

SDSL

Leased Line

Frame Relay

etc.....

There's quite a companies that specialise in fibre CCTV tranmission:

http://www.amgsystems.co.uk/

http://www.fibre-options.com/oldindex/index.html

Alternative for that kind of distance is:

Microwave:

http://www.patex.co.uk/products.htm

http://www.ogierelectronics.com/cctv-1.htm

http://www.fairlink.co.uk/videolinks.html

Or you could go down the "network" route:

ISDN

ADSL

SDSL

Leased Line

Frame Relay

etc.....

For this sort of distance over fibre only single mode cable can be used.

If the cameras can be grouped at the remote end a multiple channel fibre link can be used.

If the fibre does not belong to the client service provision from BT or the cable company can be used, but it is best to engineer the cameras to use the minimum number of data circuits (one is cheapest!) as each data circuit will require additional cost (capital + annual revenue costs).

Depending on the operational requirement either one video circuit per camera should be specified (most expensive) or fit a remote DVR at the camera end and only transmit the main monitor output (one video circuit only required) plus one data for remote keyboard.

This last option has the advantage that additional cameras can be added up to the maximum capacity of the DVR without any increase in fibre costs.

Analogue microwave will do the same job providing you have line of sight (single or multiple channel versions at 31GHz up to 25km).

New professional digital radio links using D1 resolution 25fps codecs offer a licence free option.

Hope this helps

Ilkie