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1098 matching practices

NumberBest Practice
13-10-0667Network Operators, Service Providers, Property Managers, and Public Safety should keep circuit breaker racking/ratchet tools, spare fuses, fuse pullers, etc. readily available.
13-10-0672Network Operators and Service Providers should provide a minimum of 3 hours battery reserve for central offices equipped with fully automatic standby systems.
13-10-0673Network Operators and Service Providers should provide some method to detect/prevent thermal runaway on rectifiers when valve regulated batteries are used.
13-10-0675Network Operators, Service Providers and Property Managers should for new installations, consider using multiple small battery plants in place of single very large plants, and consider using multiple battery strings in each plant.
13-10-0679Network Operators, Service Providers, and Equipment Suppliers should provide diverse power feeds for all redundant links (e.g., SS7, BITS clocks) and any components identified as critical single points of failure (SPOF) in the network.
13-10-0680Network Operators, Service Providers, Equipment Suppliers, Property Managers, and Public Safety should provide protective covers on vulnerable circuit breakers which power critical equipment.
13-10-0681Network Operators, Service Provider, Equipment Suppliers, and Property Managers should ensure that fuses and breakers meet quality reliability standards.
13-10-0682Network Operators, Service Providers, Equipment Suppliers, Property Managers, and Public Safety should ensure that power wire, cable, and signaling cables used in communications locations meet Network Equipment Building Systems (NEBS) compliance.
13-10-0683Network Operators, Service Providers, Equipment Suppliers, Property Managers, and Public Safety should not mix Direct Current (DC) power cables, Alternating Current (AC) power cables and telecommunications cables wherever possible.
13-10-0684Network Operators, Service Providers, Equipment Suppliers, and Property Managers should verify DC fusing levels throughout the power supply and distribution system, especially at the main primary distribution board, to ensure that fuses and breakers are not loaded at more than 80% of their rated ampacity.
13-10-0685Network Operators and Service Providers should have detailed methods and procedures to identify the protection required for energized DC buses.
13-10-0696Network Operators and Service Providers should use infrared thermography to check power connections and cabling in central offices when trouble shooting, during installation test and acceptance, and as otherwise appropriate.
13-10-0700Network Operators, Service Providers, Equipment Suppliers, and Public Safety should consider the use of power expertise/power teams.
13-10-0702Network Operators and Service Providers should minimize dependence on equipment requiring AC power feeds in favor of DC-powered components.
13-10-0703Network Operators, Service Providers, Property Managers, and Public Safety should secure remote power maintenance systems to prevent unauthorized use.
13-10-0705Network Operators should place warning tape 12 inches above buried cable facilities.
13-10-0706Network Operators should use visible cable markings on buried facilities and outside plant cables (unless prone to vandalism).
13-10-0707Network Operators should ensure timely response once they receive notification from the One Call Center for all locate requests.
13-10-0708Network Operators should use appropriate technologies for locating buried facilities and consider upgrading as technologies evolve.
13-10-0709Network Operators should compare outside plant drawings relative to marking cable route maps when locating buried facilities and resolve any discrepancies.

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