ITU-T M.630 SPANISH-1988
使用控制图法的电路维护

MAINTENANCE OF CIRCUITS USING CONTROL CHART METHODS

ITU-T M.630 SPANISH-1988 发布历史

Administrations may replace the periodical measurements specified in Recommendations M.610 and M.620 by measurements using sampling methods. They will need to arrange their own programme for these on a bilateral basis. Administrations applying such methods are requested to report their conclusions to the CCITT giving their comments on: the method used (for information, some methods are described in [1]; the saving in manpower; the transference of work from field staff to administrative offices.

ITU-T M.630 SPANISH-1988由国际电信联盟 IX-ITU 发布于 1988。

ITU-T M.630 SPANISH-1988 在中国标准分类中归属于: M42 通信线路设备。

ITU-T M.630 SPANISH-1988的历代版本如下：

• 1988年 ITU-T M.630 SPANISH-1988 使用控制图法的电路维护

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标准号

ITU-T M.630 SPANISH-1988

发布日期

1988年

实施日期

废止日期

无

中国标准分类号

M42

发布单位

IX-ITU

适用范围

Administrations may replace the periodical measurements specified in Recommendations M.610 and M.620 by measurements using sampling methods. They will need to arrange their own programme for these on a bilateral basis. Administrations applying such methods are requested to report their conclusions to the CCITT giving their comments on: the method used (for information, some methods are described in [1]; the saving in manpower; the transference of work from field staff to administrative offices.