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| Protection of users( ]; [: |# T Z( k& U
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3 ^ ^3 {) N: [) \8 \* }; _+ g* h | 60950(ed.3)
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5 n; @0 a5 V" K, |Standard:
; A) l, _& G8 f9 c2 I5 k5 sIEC 60950, 3rd ed.- R( }9 P o1 n$ C; J/ x% O1 l
Sub clause:
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# K- _% O5 S: V" n4 {Sheet No.
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; Y% U G8 @1 OSubject:
6 Z {$ v: L" B* N8 [# ~& EProtection of users) Q) o6 B% q) S- k1 ?, Q! O: w
Key words:
& x* E( Q, L$ \& _' A7 uAntenna, voltage surge test
; E- o3 V V3 _; D" A/ HDecision taken at the% E- t% ~0 X; r% ?' n
40th meeting 2003
" h/ @) o6 M% C/ f$ wQuestion:6 }1 M: y/ Q9 a9 `) c% m4 @
For protection of users and service persons from transients and voltage surges, what are the appropriate
( y5 O% f# a- N; w' u! I2 h5 ~! erequirements between the following points for ITE connected to an external antenna:: j7 W1 S) }% a o) w
(a) antenna connection and Primary circuits?
$ D, |; N# l0 t+ v(b) antenna connection and SELV circuits when the antenna cabling is coax?& ^* A/ l( Y9 E+ P( t
(c) Antenna connection and SELV circuits when the antenna cabling is unshielded twisted pair, Q! J$ b5 I( S) w+ N; }2 J7 i% l' [6 b
(UTP)?
6 H. h" ~" ]6 A: t- R T/ `See attached diagram.
) t- a* i0 c8 f: p5 k8 A2 q3 R- GDecision:+ T3 n$ k. k1 U
Since Clause 7 is in IEC 60950-1, but is not in IEC 60950 3rd Ed, the requirements cannot be used for the 3rd
6 T8 Y" G7 C2 E% _edition.- N+ d( }& N2 j& M7 M; Z6 m
This decision applies to IEC 60950-1 3rd edition.5 B: G) C# `7 k
In the case of IEC 60950 3rd edition sub clause 10.1 of IEC 60065 6th edition is to be applied, by referring to
5 r/ Y) T* e6 \- KIEC Guide 112 2nd edition "Guide on the safety of multimedia equipment".! }/ T8 z, b) m
Although, the test of 10.1 to IEC 60065 requires test between the terminal for the connection to antenna and
6 o* P' V9 J4 o7 xMains supply Terminals, and not between the terminal for the connection to antenna and SELV.
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