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系统维护和修理技术要求
ICS47.020.70
R 29
备案号: 浑
中 华 JA民 o-1%和 国 交 通 行 Ak 标 准
JT/T624-2005
海(江)岸电台中频/甚高频数字选择呼叫
(MF/VI-FDSC)系统维护和修理技术要求
Technicalrequirementsforthemaintenanceandrepairof
NWVHF/ DSCsystemforcoaststations
2005-05-26发布 2005-09-01实施
中华 人 民共和 国交 通 部 发布
JT/T 624- 2005
目 次
前言 ···········································································································…… m
1 范围 ·······················································································，·············…… 1
2 规范性引用文件 ·························································································…… 1
3 术语和定义 ····························································································，··…… 1
4 基本要求 ·······························································。·················，············…… 1
5 MF发信子系统 ····························································································…… 2
6 MF收信子系统 ···········································。··················，·····························…… 3
7VHF收发信机子系统 ················································································……4
8传输线路子系统 ··························································································……4
9 DSC终端子系统 ·······················································································…… 5
10 供配电子系统 ····························································································…… 6
JT/T 624- 2005
曰 曰 ‘ . J曰.
Hti 吕
本标准
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