Termination and cabling in a commercial facility

2. Termination and cabling in a commercial facility • Class 1 dwelling • A single dwelling being a detached house or one or more attached dwellings. • Class 1A - Boarding/guest house or hostel not exceeding 300 M2 and not more than 12 people reside. • Class 1B - Which is not located above or below another dwelling or another Class of building other than a private garage • Class 2 - A building containing 2 or more sole occupancy units each being a separate dwelling • Class 3 - A resident building, other than a Class 1 or 2, which is common place of long term or transient living for a number of unrelated persons • Class 4 – Office, shop, small mfg

3. Outside Plant • A single wire does not run from your house to the central office. A communication path is maintained, instead, by a collection of wires and cable, mostly twisted pair, often in large bundles, that connects like a chain to different equipment.

4. Entrance Facility • Aerial • Direct burial • Tunnel • Underground • Residential • From here a drop wire containing several twisted pair goes to a pole closure, an aerial terminal or ready access terminal. Call it what you will, this is the termination of the subscriber's drop wire. Drop wires can be thirty feet long or thousands of feet in length. They contain several twisted pair, only the oldest drops containing a single twisted pair.

5. The customer's twisted pair is connected to binding posts within the enclosure. Depending on the enclosure, a wire representing your twisted pair may now be connected to the aerial cable servicing your neighborhood. This sort of enclosure is inline with the aerial cable and may serve as a connecting or splice point. Or, a wire from the back of the enclosure may run to a splice case nearby. This marries the enclosure's wire with the larger aerial cable that services your area.

6. Aerial Telephone wiring inside your house first connects to the telco's wire at the house protector or station protector. This is the demarcation point. Your wiring ends here and the telco wiring begins.

7. Direct burial

8. Tunnel • Larger facilities with multiple buildings • Tunnels are accessed via man holes

9. Underground • Direct buried cable • Armored jacked recommended • Icky-pick • New dry chemical • Trenched to the house/building • Pedestal

10. Equipment Room • Demarc • Servers • Sometimes personnel • Grounding • Main Cross-connect • Backbone cables feed rest of the facility

11. Backbone cables • Sizes • Outdoor rated • Indoor rated • Plenum • Non-Plenum • Intro to color code

12. TR Telecommunication Rooms • Backbone cables enter • Cross connect field • Racks • Patch panels

13. Intermediate cross connects • backbone cables enter and leave for distribution to other points in the facility – usually larger facilities

14. Intra-building backbone cables • Building to Building

15. Inter-Building backbone cables • Within the facility

16. TR – Telecommunications RoomLayout • Backboard on two walls • I have specified on all 4 walls • ¾ Plywood fire rated • 2 coats of fire rated paint on one side • Rack locations • Cross connect fields

17. Cross connect field • 66 blocks – oldest style • Newer style out to accommodate CAT 5 standards • 110 blocks – more dense • Bix different style • Crone different style • All are IDC type • Insulation Displacement Connection

18. 66 block

19. 66 block with bridging clips

20. 66 Block IDC connections

21. 110 Blocks