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|  DSH 389
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| Marking and instructions
2 P! _+ V+ G! r+ P0 o1 L; C | 1.7.1
7 D' Q9 {: n5 L' q$ L | 60950(ed.2);am1-am4
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* m6 d! q% Y; o) @. WStandard:
1 N% F4 l/ S! K( CIEC 60950 (1991) 2nd ed., Amdts.1' h" s# y7 j. k8 W/ C
(1992), 2 (1993), 3 (1995), 4 (1996)
' U/ R/ y& V, S6 VSub clause:
: V" b9 W. M$ r( I8 {6 F3 R1.7.1
) B- P7 N* X2 Q' j7 A: dSheet n. 389
( ~$ P6 l2 |; ?. OPage 1(1)
6 l2 A# _+ I) ?; Z# a5 l7 r6 @Subject:3 `# f- O! X) m. X/ U7 I
Marking and instructions6 E7 S* R" r; D1 t4 [7 ^6 c: W6 u
Key words:
8 Q8 }" }% W, ]- @0 e- Marking; s( e$ | X j% b
- Instructions
! H$ X2 z3 O( M4 y) ?) Z+ ?Decision confirmed
$ Z* O0 N5 \" S3 O! P/ @at CTL 38th meeting.
. o% \" `) @; @Question:
+ R) g; Q, z& R+ v: e' s) UA piece of ITE (e.g. telecommunications rack) has multiple modular power supplies that are6 ~* \0 u1 g& T
removable. The supply connection (e.g. power supply cord) to the equipment terminates directly" @! k6 R' ^. b+ Q/ d! z' y) b
to the power supplies. Is it permissible for the marked electrical ratings in the individual power
7 R( i6 J% ^4 b/ R' Asupplies to be used to comply with the electrical portion of the equipment’s power rating marking/ n$ i9 C: b1 C5 E' ?: v c5 ~$ u
(clause 1.7.1), or must the equipment be provided with a separate electrical rating marking?8 S, i0 s* V; g! B
Decision:) W( h' l" M! c5 e
The electrical rating markings on the power supplies may be relied upon to meet the electrical; @/ l$ u3 s$ f* b; l' K* c
portion of the equipment’s power rating markings if (a) the mains supply connection terminates
8 G2 B, Q/ o. |2 A9 S# qdirectly to the power supply, (b) the power supply electrical rating(s) is readily visible, and (c) the
# z+ B) q; J( I8 R& z5 V" \equipment has a separate single marking that covers the other aspects of the power rating: s, U5 D3 b4 n3 [4 t9 ]
marking required by 1.7.1 e.g., manufacturer, model.
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