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Standard:8 C6 G5 I V( s; R" h9 L8 o
IEC 60950, 3rd ed.8 K4 `* F! [8 i) M
Sub clause:* n* `' T6 w0 g, E
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Sheet No. ! B/ J: u: K5 [0 V, u. j5 o5 t446- {, w* q+ I$ r! W' P
Subject: % n: b+ x# A$ B9 `5 yProtection of users# K* J8 ?4 n: X
Key words:6 Z2 G) C; T3 k6 o( `7 ^' X
Antenna, voltage surge test ; t7 f) n$ b, `; zDecision taken at the 6 i6 k% U7 s/ ^40th meeting 2003 6 L$ v. R, H0 e8 w; y% y2 Y# rQuestion: 9 i+ C+ J+ X1 ^% |8 J, G% }- v% oFor protection of users and service persons from transients and voltage surges, what are the appropriate6 H/ Y1 q' T% g. c0 y* j1 z
requirements between the following points for ITE connected to an external antenna: 9 |3 V( w8 g7 G h(a) antenna connection and Primary circuits? ( m) t0 L" f# y# t4 Z(b) antenna connection and SELV circuits when the antenna cabling is coax?9 N4 H2 ~3 ~, T
(c) Antenna connection and SELV circuits when the antenna cabling is unshielded twisted pair # X& _4 V3 {; [% o1 {(UTP)?) [$ a7 f' f5 h9 n9 C3 P1 k
See attached diagram.+ |1 F0 E9 j$ S# b9 o
Decision: % g( _2 n! z7 C5 p, S0 `Since Clause 7 is in IEC 60950-1, but is not in IEC 60950 3rd Ed, the requirements cannot be used for the 3rd- b6 E0 s+ l! h
edition.0 @/ |8 h1 |& y2 I
This decision applies to IEC 60950-1 3rd edition. # c, H9 D+ K+ L j4 R# _6 ?1 wIn the case of IEC 60950 3rd edition sub clause 10.1 of IEC 60065 6th edition is to be applied, by referring to 5 g" j3 C X5 C( Z% r9 u. I" a- p8 [IEC Guide 112 2nd edition "Guide on the safety of multimedia equipment". " o$ d2 `$ c) @1 QAlthough, the test of 10.1 to IEC 60065 requires test between the terminal for the connection to antenna and 2 C5 v' A8 k/ A8 R+ C- W! N+ yMains supply Terminals, and not between the terminal for the connection to antenna and SELV./ k! n; x; A) E3 H% f+ ^
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DSH 446$ J6 i# X2 R" ^# d& ]+ e