Advanced Search
Search Results
252 total results found
Telecommunications Cabling Infrastructure Classes
For the telecommunications cabling infrastructure reliability classes, the corresponding class designationis prefaced with a “C” to identify it represents the “cabling infrastructure” reliability criteria. Class C0 and C1 Telecommunications Infrastructure A ...
Cabling Topology
The basic cabling elements of the data center star topology should include: Horizontal cabling Backbone cabling Equipment cabling Horizontal cabling The system of cabling that connects telecommunications rooms to individual outlets or work areas on ...
Cable Tray Support Systems
Each access provider should have at least one metric designator 103 (trade size 4) conduit at each entrance point. Additional conduits may be required for campus cabling. Conduits used for optical fiber entrance cables should have three inner ducts [two metri...
Overhead Cable Trays
In data centers that use overhead pathways, 150 mm (6 in) minimum access headroom shall be provided from the top of the pathway to the obstruction located above such as another pathway or the ceiling. This clearance requirement does not apply where cable trays...
Underfloor Cable Trays
Ensure that necessary airflow is passing under the access floor it has to be properly ventilated. ReferANSI/TIA-569-C for further cable tray design considerations. Under floor cable trays may be installed in multiple layers to provide additional capacity. Met...
Backbone Cabling
The function of the backbone cabling is to provide connections between the MDA, IDA, HDA, and entrance rooms in the data center cabling system. Backbone cabling consists of the backbone cables, MC/MD, IC/ID, mechanical terminations, equipment cords, and patch...
Cabling Types
Each recognized cable has individual characteristics that make it suitable for a range of applications defined against each category or cabling type in the applicable cabling standards. A single cable may not satisfy all end user requirements. It may be neces...
Cabling Installation
Cabling shall be installed and dressed neatly, taking care to adhere to minimum cable bend radii for cables. Take particular care not to leave excess optical fiber loops on the floor or in places where they can be damaged. While all transmission parameters are...
Telecommunications and Computer Cabinets and Racks
As with all other systems of the data center—power, HVAC, and flooring—cabinets and racking systems provide the vital services of proper structural and secure housing for data center equipment. Active and passive equipment have different requirements for mount...
Cabinet Airflow and Cabling Capacity
To ensure adequate airflow and to provide adequate space for power strips, telecommunications cabling, and safe access for work, the cabinet depth should be at least 150 mm (6 in) deeper than the deepest equipment to be housed if the cabinet is 700 mm (27.5 in...
Cabinet and Rack Installation
Where the cabinets and racks are on an access floor, they shall be placed so that there are movable tiles in front and behind each cabinet and rack. This typically means placing the rows of cabinets and racks parallel (rather than at an angle) to the rows of ...
Thermal Management in Cabinets
There is no one thermal management configuration that works best in every instance. Each may be optimal, depending on different factors unique to the customer, application, and environment. Consideration should be given to understanding the upfront in...
Introduction
In general Tier 3 and Tier-4 datacenter will have redundancy to provide the business continuity with high availability to continue their function under unplanned or adverse conditions that would otherwise interrupt the data center’s telecommunications service....
Data center infrastructure Tiers
Single point of failure should be eliminated to improve redundancy and reliability, both within the data center and support infrastructure as well as in the external services and utility supplies. This Standard includes four tiers relating to various level of...
N - Base requirement
System meets base requirements and has no redundancy. N+1 redundancyN+1 redundancy provides one additional unit, module, path, or system in addition to the minimum required to satisfy the base requirement. The failure or maintenance of any single unit, module,...
Concurrent maintainability and testing capability
The facilities should be capable of being maintained, upgraded, and tested without interruption of operations.
Capacity and scalability
Data centers and support infrastructure should be designed to accommodate future growth with little or no disruption to services.
Isolation
Data centers should be (where practical) used solely for the purposes for which they were intended and should be isolated from non-essential operations.
Data center tiering
Tier I Data Center: Basic A Tier I data center is susceptible to disruptions from both planned and unplanned activity. If it has UPS or generators, they are single-module systems and have many single points of failure. The infrastructure should be completely...
Secure Operation
Managing and operating a datacenter requires to follow tailored processes to reap expected results from the datacenter. While considering standard operating procedure (SOP); security in all the aspects is a most needed aspect. Datacenter SOP should be develope...