EN 300 386 V1.3.2 (2003-05) Electromagnetic compatibility and Radio spectrum Matters (ERM); Telecommunication network equipment; ElectroMagnetic Compatibility (EMC) requirements

The purpose of this standard is to measure the EMC requirements for equipment intended to be used within a telecommunications network (as defined in clause 3). Examples of such equipment are:

 	
Switching equipment, such equipment includes:

 	
local telephone exchanges
 	
remote switching concentrators
 	
international switches
 	
telex switches
 	
network packet switches



General purpose equipment, which is used as a part of a switching system, may be covered by the scope of other standards. For such equipment, if those other standards fully cover all the requirements of the present document, no further requirements are necessary. Switching equipment can also contain transmission functions, and this has to be recognized during testing.

 	
Non-radio transmission equipment and ancillary equipment. Such equipment includes:

 	
multiplexers
 	
line equipment and repeaters, e.g. equipment for:

 	
Synchronous Digital Hierarchy (SDH)
 	
Plesiochronous Digital Hierarchy (PDH)
 	
Asynchronous Transfer Mode (ATM)
Such as:
 	
Digital Cross Connect systems
 	
network terminations
 	
transmission equipment used in the access network like XDSL




 	
Power supply equipment. Such equipment includes

 	
central power plant
 	
end of suite power supplies
 	
uninterruptible power supplies
 	
stabilized AC power supplies
 	
other dedicated telecommunication network power supplies; but excludes equipment which is uniquely associated with or integrated in other equipment


 	
Supervisory equipment, such equipment includes:

 	
network management equipment
 	
operator access maintenance equipment
 	
traffic measurement systems
 	
line test units
 	
functional test units



The function of supervision may either be performed by independent equipment or form part of other telecommunication equipment. If the function of supervision forms part of telecommunication equipment, the performance may be evaluated simultaneously with other functions (such as switching and transmission) during EMC testing.

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