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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.542 : Q.542 (03/93)
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Q.542�:�Digital exchange design objectives - Operations and maintenance �

Recommendation Q.542 (03/93)

Approved in 1993-03-01

Status : In force

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Table of Contents

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PDF Document PDF (acrobat)

145050 bytes 1994-06-24 E�4551�
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PDF Document PDF (acrobat)

159061 bytes 1994-06-24 S�4552�
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PDF Document PDF (acrobat)

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Word Document Word

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