Standard No.:	GB 12449-1990
English Name:	Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
Chinese Name:	以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口
Chinese Classification:	M74    Broadcasting and television transmission and receiving equipment
Professional Classification:	GB    National Standard
ICS Classification:	33.060.20 33.060.20    Receiving and transmitting equipment 33.060.20
Source Content Issued by:	AQSIQ
Issued on:	1990-8-2
Implemented on:	1991-5-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了声音和电视广播发射设备系统与监控设备之间用专用连接线方式连接时的接口特性和要求。本标准只适用于声音和电视广播发射设备系统。不是发射设备系统本身的那些部分，例如，防盗或机房烟雾报警、塔灯等不属本标准考虑范围。本标准将用于传送信号的调制、解调系统视作连接线的一部分，其中的调制、解调之间的接口及接口要求未予列入，但此系统与监控设备及发射设备系统之间的连接，则应满足本标准的要求。