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标题: DSH 388 Characteristics of user available ports [打印本页]

作者: 小米    时间: 2012-11-6 17:15
标题: DSH 388 Characteristics of user available ports
DSH 388$ }, B( j% f& j& H- g9 Y  O
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Characteristics of user available ports
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60950(ed.2);am1-am4 & 60950(ed.3)
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Standard: IEC 60950 (1991) 2nd ed.,+ T$ v. {$ ^, }3 O; m, V4 x
Amdts.1(1992), 2(1993), 3(1995)," K9 }; H! K  W* B+ H
4(1996); IEC 60950 (1991) 3rd ed.
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Sheet n. 388
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. y# \8 r2 V0 }0 ^  WSubject:
: g- S( \/ z5 `Characteristics of user0 W  i! H5 ]6 i! w2 Y  f9 }' ?
available ports
2 G4 Z) G, `9 j1 U6 a8 UKey words:0 H1 |3 W3 g0 n7 x# Z
User available ports
: W) d( {: E$ s2 fDecision confirmed
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Question:) ?2 C! X$ q; ?( K
Should all user-available ports (e.g. serial, parallel, USB and similar intended for use with
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& J7 ~6 G3 j5 q! L+ h/ O+ @hazard even when the live ports of the connector are otherwise not accessible?$ s/ D% C& ]% t5 t# @
Decision:% C' w& C3 v8 Y8 h, N
Evaluate all user-available ports (e.g. serial, parallel, USB and similar intended for use with* E. Q( I" G- i! @) A: n* E/ B
standard accessory cables) for compliance with electrical shock, energy or fire hazards even* S. [8 [2 \3 M0 I" `
when the live parts of the connector are not accessible.
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