4 FAQs about Mixed Type of Communication Power Supply Cabinet for Malaysian Metro

What types of power systems are used in communications infrastructure equipment?

Communications infrastructure equipment employs a variety of power system components. Power factor corrected (PFC) AC/DC power supplies with load sharing and redundancy (N+1) at the front-end feed dense, high efficiency DC/DC modules and point-of-load converters on the back-end.

What is a mains power distribution system?

The mains power distribution system shall consist of an intake point and a power distribution board. The distribution board shall be a Single Phase or Three Phase metal clad type and shall be fitted with the necessary mains circuit breakers (MCBs) as per the Service Providers requirement.

Where can I find mtsfb technical standards & infrastructure requirements?

The aforesaid document is available and maintained at MTSFB website. This document does not address the Broadcast Infrastructure. The technical standards and infrastructure requirements for broadcast network can be referred to other documents from MTSFB i.e. MTSFB 006 : 2005 (Revision 1).

What are hybrid isolated power supply topologies?

Competing with these new POL modules are hybrid isolated power supply topologies, such as the cascaded current-fed or voltage-fed push-pull converters. Semiconductor suppliers are enabling power supply system designers to embed low-cost compact isolated power supplies directly onto their motherboards and line cards.

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