Ok. I'm going to have to read up on some of what you said. In order to educate myself a little.
Unless someone wants to reword any of that for me....
K. Here's what we are learning towards in the building.
No server.
Cable->Router->Switch->Net
Also with a wireless access point in the middle of the building.
You can read more about what we're figuring out at this thread:
http://www.experts-exchang
We're probably running Cat6 into all the rooms in the building... mainly for file sharing.
And also have a wireless access point in the middle for internet for laptops.
But.... for voice. We don't need phones in all the rooms.
Is there a way to have lines/intercom in certain rooms... and then a line for each wing (for the public).
I'm studying up on telephony stuff... don't quite understand the concepts.
NEVER dealt with phone stuff before.
Also, I saw this.... and wondered if anyone had some opinions.
http://www.talkswitch.com/
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by: LabsyPosted on 2008-02-29 at 16:06:52ID: 21018816
CAT6 cabling is too much for telephone. CAT5 or CAT5e is more than enough.
Why?
Because phnes only use low frequency signaling (which has long range, few kilometres) and low bandwidth in any form (analog, ISDN, IP-phone).
On the other hand, wirings for phone lines are usually done side by side together with LAN wirings, so to make it easy for installation, CAT5e is mostly used as a fine compromise. Each wallet can then be used for LAN or telephone.
On the side of central rack inside the building, all wires came up together, connected to PATCH panel. This is the panel with line of female UTP wallets, where usually one horizontal line (patch panel of usually 48 connectors) is marked with "T1", another with T2 etc for Telephone wallets, and another panel as "A", B etc for computer wallets.
In this rack, TelCo guys usually install ISDN or other converters, and connect it to their line. OR there is some internal PXB or other base unit, which has it's own converters, which are all connected to "T" line of patch panel with UTP cables.
Just in the same rack, IT guys usually install their SWITCHES, which are connected to local Servers, or some ROUTER, to provide internet or LAN connectivity. Switch is connected to patch panel aslo with a bunch of UTP cables.
When planning the site installation, you must take in concern the maximum LENGTH of the longest single CAT5e cable from the patch panel to the wallet in the farest office - it should not exceed 100m for quality LAN (gigabit). If you assume that lines might be longer, you should distribute wirings into two or more distribution points, connected with optical cables to each other.
For telephone lines length is not the factor, because telefon lines may extend to few kilometers far, which is usually not a problem in any site.
Before you even start writing some offer, talk with your custome and clear some important factors:
- what is their predicted growth? Will they need more telephone lines in the future? How many?
- Do they need and expect many internal calls? So many central PBX sollutions might be used.
- Are they open to IP-telephone? If so, all wirings and connections should be planned with some IT expert.
- What phones will be used? Do they intend to save money and use their old phones, or are they into getting all new?
- Wireless phones mostly, or wired ones?
- What is their phone traffic expected to be? Mostly in the area, mostly abroad, or mostly to GSM/Cellular? Try to get some estimates.
Then, another factor is GSM/Cellular:
To lower expenses, IP telephony or GSM-modules may be used. Most of PBX base sollutions include free ports to add GSM cards with 2, 4 or more SIM-cards. Outgoing calls are then routed via the less expensive route, which is programable on PBX.
Thats in short what I remember from participating in some simillar projects. Hope it helps.