YD/T 2050-2009.Technical requirements for security of passive optical network (PON) equipment. 1范围 YD/T 2050规定了PON设备(包括EPON设备和GPON设备)的用户平面安全要求、控制平面安全要

YD/T 2049-2009.Test method of security for access network equipment-Digital subscriber line access multiplexer. 1范围 YD/T 2049规定了数字用户线接入复用设备(DSLAM)用户平面

YD/T 2064-2009.Specification of Sharp Positive-edged Pulse desulphating equipment for lead-acid batteries for telecommunications. 1范围 YD/T 2064规定了通信用铅

YD/T 2065-2009.Information Accessibility Design Guidelines to Information Terminal Equipment for Persons with Physical Disabilities. 1范围 YD/T 2065根据各类

YD/T 2068.1-2010.2GHz TD-SCDMA digital cellular mobile telecommunication network TD-MBMS management technical requirement (Phase 1) Part 1: configurat

YD/T 2068.2-2010.2GHz TD SCDMA digital cellular mobile telecommunication network TD-MBMS management technical requirement (Phase 1) Part 2:perfomance

YD/T 2068.2-2010.2GHz TD SCDMA digital cellular mobile telecommunication network TD-MBMS management technical requirement (Phase 1) Part 2:perfomance

YD/T 2068.3-2010.2GHz TD-SCDMA digital cellular mobile telecommunication network TD-MBMS management technical requirement (Phase 1)Part 3:CORBA-based

YD/T 2073-2010.2GHz TD SCDMAWCDMA digital cellular mobile telecommunication network-test method for equipment supporting IMEI checking. 1范围 YD/T 2073规

YD/T 2074-2010.2GHz TD SCDMA/WCDMA digital cellular mobile telecommunication network - technical requirements for mobile equipment supporting IMEI che