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标题: DSH 558 Identification of Critical Components – Minimum description criteria [打印本页]
作者: 小米    时间: 2012-11-6 14:37
标题: DSH 558 Identification of Critical Components – Minimum description criteria
DSH 558$ K% t9 F1 g; c4 T' o/ z

0 O, L% H" Q4 `9 S" _		Identification of Critical Components – Minimum description criteria( h% M0 ~( |4 I8 l, t7 H
1.5.1! ?8 p$ N7 m$ H9 v# T
60950-1(ed.1) & 60950(ed.3)
+ o+ ~! H5 o% w" M  [

. ?9 [4 M- D, k6 U; n/ J; AStandard(s):% j4 c; C, @1 R  w2 p, z7 ^, G
IEC 60950, 3rd Ed (1999)
0 g# t5 f2 n, n' OIEC 60950-1, 1st Ed. (2001)
3 {* f- X( K( i2 USub clause(s):
1 n' W8 s) @# I) a1.5.1! F* o' \  j1 P
DSH - 558
6 i2 W! D% H) h8 }Page 1 (3)4 ?6 _; U- u$ y; U7 P
Subject:
* I* W( [- @* f# n  N  KIdentification of Critical
* E1 N6 ?& q9 P2 M% @0 Q3 X4 c) BComponents – Minimum: A0 ]) _8 X# U' T0 J
description criteria for disk( s7 C, @: I1 n
drives
0 ]; x" i# [2 M7 x" X1 xKey words:
& R( |9 i- l7 _( r3 W3 EComponents/ D( c( P3 X- o1 P+ {: W
Decision confirmed  _( Y3 q% K. u- M+ k5 B
by CTL at its 42nd
7 A0 o( e' L1 f  d8 I* \5 x; Zmeeting 2005 in
- Y* `, j5 g, W: Q3 O% D6 rCancun) W! _4 T* p; N# D' f) B! H
Question:! k$ C4 \$ \3 ~7 R3 X! ?% @
Within an IECEE CB Report for an end product that contains a component disk drive(s)! Y4 J: ]) S( Z7 y
(e.g., CD-ROM, CD-RW, DVD, Hard, Floppy, Tape), if the disk drive(s) has its own
3 r  {* k5 L# M* `' x4 @+ ^certification to IEC 60950 (-1), is it acceptable to identify such a critical component by7 R1 G- \1 k; u9 r) _; w9 Y
technical data, standard, and mark(s) of conformity, as in the example below, without
7 o) e: K. d" {% a6 [/ pspecifying manufacturer’s name and type number for each component?
4 c& R3 E# g6 b+ v8 T' s: }+ dDecision:8 R0 r0 k, G9 g, R
For component disk drives covered by a CB Test Report and Certificate, there are two
  @2 c8 ?* _4 {- r# \options for component descriptions, depending on the type of disk drive:( L$ l5 S# q# A/ J
1. Non-laser based drives – The parts list should state "Mfr: Company A or equivalent," and0 c: g- _" J/ i& @" n$ n
"Model: Model B or equivalent," so there is traceability for the construction of the/ t4 p! }) m1 B7 g4 z, ^
sample tested. The description should also include the technical data (input voltage5 D+ C: [# f+ e# P, `6 P
rating, load current rating, flammability rating of the bezel), standard, and mark of( z. S* `  v4 G# c" C
certifying body/organization.7 Y) F+ Y8 P, U$ n) ^2 p  k
2. Laser based drive - The parts list should state: "Mfr: Company A or equivalent", and7 V- i* t5 H" Q) v# V4 a5 V* W
"Model: Model B or equivalent," so that there is traceability (to IEC60950-1 and
* m8 K0 Z+ x( k7 G0 _- Rapplicable laser requirement(s)) for the construction of the sample tested. The description
2 A+ ~; d) R$ `# |6 j: K1 ?8 h+ F  tshould also include technical data (input voltage rating, load current rating, flammability1 D. e  @% z8 E) R4 m$ T
rating of the bezel, and, when applicable, laser classification), and standard, and indicate
, A: ~! w- ~9 @. |- `3 A. V; L) Hthat the component is covered by a CB Test Report and Certificate.
/ U+ L8 @# I0 I1 V- GObject/part No." O1 R& Y( y" E! Z# q0 f- [, V
Manufacturer/ trademark
& w) ~: x5 {4 m, UType/model( j9 u: }" G7 m
Technical data" m! y% |( g0 e3 a/ k
Standard
7 V) h6 ]; X, e2 @! |+ E$ L" q; RMark(s) of conformity1)4 N% i: A/ Y; O1 d
Tape Drive4 H( k( S5 b+ z1 C5 ]
(Mfr. Name) or equivalent8 S# v5 R5 U- Y  e
(Type No.)
/ O" _0 a- `- G1 K0 D) g5 ]$ Ror equivalent1 S+ I6 s, g5 {- J
5 Vdc, 1.2 A/ t7 Q; x% o9 ?% T
12Vdc, 0.5A3 v7 S9 ?" \& u( m7 D7 m% O9 ?
Bezel min. 2.5 mm thick, rated min.V-1.
, b7 X% N7 h8 g0 C( FIEC/EN/609509 c1 \8 F- z9 x+ @* U0 _
CSA/UL609500 n& v8 K3 N) ]1 k3 M; w, m2 L& G
-mark of certifying body
2 Z% z6 g( n' _! t/ j3 t4 `Hard Drive
* X) F2 |# N7 z$ N1 V- y- S(Mfr. Name) or equivalent
4 F4 X7 K% f; @& P0 Y0 q/ [0 r(Type No.) or equivalent
7 d; D9 w* A; x6 s$ ~0 M5 Vdc, 1.0 A9 p& }) A" o& [+ G  v
12 Vdc, 0.4A5 ^4 U6 F& s  l, J
No bezel provided.
! Y( q! J0 k) b5 v/ G) Q5 p) |) VIEC/EN/60950
+ o: y8 O4 z' t9 W  J% t( MCSA/UL60950" s3 R2 X( f) F* D$ k6 F
-mark of certifying body
4 J# X% l% g& l0 WCD-ROM
4 E7 h+ H' o, ]  i6 e2 h; `: f# U(Mfr. Name) or equivalent
9 n  V8 K$ K' A# [9 v0 ]* _% H4 q(Type No.) or equivalent
9 _, H% [3 P: t5/12 Vdc, 1.0/0.3A( ~  ~2 N5 |- A& }6 k2 @5 Z2 Z
Bezel rated V -1.
  ~0 l% N* D8 xClass 1 laser product.
$ }8 _) Q5 v* l% z! ?IEC/EN/60950
$ o' Q: n! s7 j1 m- }/ g9 G- S- ]& VCSA/UL60950' y& G& y4 f* J+ n  z' f
IEC/EN 60825-1
: r, J) ], F3 d$ t8 }" e, I21 CFR 1040
5 I+ [' s/ E9 e' v, V/ N-IECEE CB Scheme Certificate and Test Report.. T0 ^3 V( u0 Y
DVD Drive9 L% E' I( D: a) p) }9 r
(Mfr. Name)
# M- b( i, P0 For equivalent
+ |$ l4 L- h( p& H( z, Z- a(Type No.) or equivalent
( ?, A2 S+ Z5 }6 r3 s6 l5 Vdc, 1.0 A
2 Q4 F  [' C7 U12Vdc, 0.4A;. k5 H0 i! ~* D0 i& }
Class 1M laser product.  S; G9 P5 h+ M# {
Bezel min. 2.5 mm thick, rated min.V-1.
& D% K2 Y$ N* iIEC/EN/60950
* P# y! j( f' o1 ?0 J  A& E. lCSA/UL60950
* h9 m1 J. ?& h  b9 `( yIEC/EN 60825-1
! E& A0 ^8 ^% Y" J) v3 v+ }21 CFR 1040
) K: i) l$ l9 T* F, s* ]-IECEE CB Scheme Certificate and Test Report.
; ~/ h. `  V2 ?/ Y# G6 o/ MFor a rare case when a device is used in an application where the standard requires a more
$ E/ D9 A: z( j6 X3 r8 Ucomplex set of requirements to be applied, or the evaluation is part of the end product
/ E4 t% X- ~: r' ?5 w0 E+ uevaluation, the manufacturer’s name and type number, in addition to the technical
. n; s% ]8 A8 e: P0 m8 T- sinformation, shall be described/controlled for each component.
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