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BICSIcabling/Pathway
Chapter 3
| Question | Answer |
|---|---|
| What are the two types of Backbone cabling? | Interbuilding (2 more buildings) & Intrabuilding (single building) |
| What is the first level Backbone? | Cabling installed between the MC and IC |
| What is the Second level Backbone? | Cabling installed between the IC and HC |
| Does the orientation of the installed cable have any bearing on its classification? | No |
| (T/F) All connections between the HC and the Backbone are to be cross-connections. | T |
| A user has plugged a 10m patch cord into a MUTOA. He complains about poor performance. What could be the cause. A. Use of a 8p8c connector B. 10m exceeds recommend length of patch cord C. Channel exceeds 100m D. B and C only | D. B and C only |
| BICSI recommends 2 runs of cable to each work station. Can one be a Cat6 and the other be coaxial series 6 since this type of coax is shielded? | No. The 2nd pair shall be 4 pair 100ohm balanced twisted pair or fiber. |
| (T/F) Consolidation points are readily accessible for changes and patch cords are used to make cross connects. | F |
| What is on the MUTOA to help ensure performance standards? | The maximum length a user should use for their work area cables. |
| What are the color codes for 1st and 2nd level backbone? | White and Grey respectively. |
| Color code Orange? | Demarc |
| Service entry pathways ; Primary Surge Protection ; 2 walls of fire rated plywood are all found in where? | EF Entrance Facility |
| What type of conduit is used for Arial entry? | RMC Rigid MC |
| Cross connections of backbone and horizontal cable ; Common control equipment ; General considered to serve the entire building. | ER Equipment Room |
| Color Code for horizontal cable? | Blue |
| House The HC ; May have a IC ; provides a controlled environment for telecommunication equipment. | TR Telecommunication Room |
| (T/F) A TE is allowed to replace a TR. | F |
| How far must the door to a TE be able to open? | 90 degrees |
| What is the max area a TE should serve? | 335m square (3600ft square) |
| Which of the following are sources of EMI? A. Electric motor B. Transformers C. Electric power cable D. All of the above | D. All of the above |
| How far away should your open pathway be from unshielded power lines exceeding 5k volts-amperes? a grounded metal pathway? | 24in / 12in |
| How far away should your open pathway be from Neon Lamps? | 6in |
| Can an ER serve as an EF into a building? | Yes |
| This area has a Blue HC cross connect, Grey 2nd lvl backbone cross connect, and servers a single floor. | TR |
| How much work aisle space should be in a TR? | 1m |
| The paint on a plywood back board is designed to do what? | Be endothermic / absorb heat |
| How would you install toggle bolts into a plywood? | 2" from edge and 24" on center / avoid studs. |
| What two things is recommended to be installed on every wall of a TR? | Back boards and Ladder racks |
| Conduit bends greater then 2"? 2" or less? | 10x the trade size / 6x the trade size |
| What are the dimensions of an average equipment rack? | 7ft with mounting holes from 19 to 23 inches wide and 4 to 6 inches deep |
| Which of the following is a popular thread hole size for equipment racks A. M5 and M6 B. 10-32 C. 12-24 D. All of the above | D. All of the above |
| When is a horizontal cable management not required? | When using an angled patch panel |
| Why should you not use FMT? | Creeps, Shifts, Cause sheath damage. |
| What is EMT | Electric Metallic Tubing |
| What are the two types of EMT couplings? | Compression and Setscrew |
| Place RMC, IMC, and EMT in order of thickest to thinnest. | They already are. |
| (T/F)100ft of 10ft conduits will take 10 pieces. | F the pieces are just shy of 10ft |
| Allow no more then ___ " of conduit and bushings to extend into a TR or ER. | 2 |
| What type of cutter should you not use on an EMT? | Roll Type. Leaves sharp edges. |
| You have conduit with 3 90 degree bends before a pullbox and 3 90 degree bends after it. The first 90 is >12" from the feed point and last section is >10m long. Is this acceptable? | Yes. A third bend is acceptable to those two conditions. |
| Why are conduits of 1.25 inches not used for a stub-ups or stub-outs? | 1.25" are not knock outs sizes in a receptacle. |
| When should you consider using innerducts? | When running fiber |
| What tells us that a conduit should have a 40% fill ratio? | NEC |
| Ladder rack width sizes range between? | 6" and 1m |
| What are two ways to mount ladder racks? | Threaded rod and wall brackets |
| Rod stock cable trays come in what depths? | 2, 4, and 6 inches |
| Where should the mounting points be for a ladder rack? | 2' from each end and every 5' thereafter |
| Open-top cable supports (j-hooks) support a max of how many cables? | 50 |
| What does the TIA 568C.1 cover | Commercial Buildings |
| Color Code Purple? | Common Equipment |
| Color Code Brown? | Interbuilding Backbone |
| Color Code Yellow? | Miscellaneous |
| What is the difference between a stub-out and a stub-up? | A Stub-up will end after it penetrates wall cap. A Stub-out will continue from the wall cap penetration to an adjacent hall or typically ends at a cable tray or ladder rack. |
Created by:
smorita
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