局用交换机检测

GJB 3150-1998 军用程控数字局用电话交换机通用规范

JJG(铁道) 177-2003 局用程控交换机计时计费装置检定规程

CEPT T/GSI 04-03 E-1987 交换局间信令

Interexchange Signalling

YD/T 1968-2009 通信局(站)用智能热交换系统

本标准规定了通信局(站)用智能热交换系统的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存。 本标准适用于通信局(站)用智能热交换系统

Intelligent Heat Exchanger for Telecommunication Stations/Sites

YD/T 1968-2021 通信局站用智能热交换系统

GB/T 28520-2012 通信局站用智能热交换系统

本标准规定了通信局站用智能热交换系统的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存。 本标准适用于通信局站用智能热交换系统

Intelligent heat exchanger for telecommunication stations/sites

IEC 61107:1992 读表、收费和控制用数据交换.直接的局部数据交换

Data exchange for meter reading, tariff and load control; direct local data exchange

ITU-T Q.511-1989 其他交换的交换界面-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Exchange Interfaces Towards Other Exchanges - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 4 pp

prEN 61142-1991 仪表读数的数据交换.费率和局部控制.局部总线的数据交换

Data exchange for meter reading; tariff and local control; local bus data exchange

ITU-T Q.544-1989 数据交换测量-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Digital Exchange Measurements - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 15 pp

GOST 2.739-1968 ЕСКД.示意图中的图形符号.电话机、交换机和电话局

Unified system of design documentation. Graphical sumbols in diagrams. Telephone sets, switchboards and switching telephone exchanges

T/CQCBDS 0032-6-2018 线局域网投屏（6） 消息交换

本标准包含以下内容： 线局域网投屏消息交换中：远端读请求、远端写请求、远端读响应确认、远端读响应拒绝、远端写响应确认、远端写响应拒绝

ARMY MIL-P-11887-1952 电话中央交换局的TC-2型电话机(用于海外装运)的包装

PACKAGING OF TELEPHONE CENTRAL OFFICE SET TC-2 (FOR OVERSEAS SHIPMENT)

ITU-T Q.542-1989 数据交换设计目标-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Digital Exchange Design Objectives - Operations and Maintenance - Digital Local Transit Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 21 pp

DIN 4000-102:2013 属性表格布局. 第102部分: XML架构属性表格布局用数据交换

Tabular layouts of properties - Part 102: Data exchange for tabular layouts of properties with XML schema

GJB 3150-1998 军用程控数字局用电话交换机通用规范

JJG(铁道) 177-2003 局用程控交换机计时计费装置检定规程

CEPT T/GSI 04-03 E-1987 交换局间信令

Interexchange Signalling

YD/T 1968-2009 通信局(站)用智能热交换系统

本标准规定了通信局(站)用智能热交换系统的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存。 本标准适用于通信局(站)用智能热交换系统

Intelligent Heat Exchanger for Telecommunication Stations/Sites

YD/T 1968-2021 通信局站用智能热交换系统

GB/T 28520-2012 通信局站用智能热交换系统

本标准规定了通信局站用智能热交换系统的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存。 本标准适用于通信局站用智能热交换系统

Intelligent heat exchanger for telecommunication stations/sites

IEC 61107:1992 读表、收费和控制用数据交换.直接的局部数据交换

Data exchange for meter reading, tariff and load control; direct local data exchange

ITU-T Q.511-1989 其他交换的交换界面-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Exchange Interfaces Towards Other Exchanges - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 4 pp

prEN 61142-1991 仪表读数的数据交换.费率和局部控制.局部总线的数据交换

Data exchange for meter reading; tariff and local control; local bus data exchange

ITU-T Q.544-1989 数据交换测量-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Digital Exchange Measurements - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 15 pp

GOST 2.739-1968 ЕСКД.示意图中的图形符号.电话机、交换机和电话局

Unified system of design documentation. Graphical sumbols in diagrams. Telephone sets, switchboards and switching telephone exchanges

T/CQCBDS 0032-6-2018 线局域网投屏（6） 消息交换

本标准包含以下内容： 线局域网投屏消息交换中：远端读请求、远端写请求、远端读响应确认、远端读响应拒绝、远端写响应确认、远端写响应拒绝

ARMY MIL-P-11887-1952 电话中央交换局的TC-2型电话机(用于海外装运)的包装

PACKAGING OF TELEPHONE CENTRAL OFFICE SET TC-2 (FOR OVERSEAS SHIPMENT)

ITU-T Q.542-1989 数据交换设计目标-局部数据,联合,传输和国际交换

This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital Networks (IDN

Digital Exchange Design Objectives - Operations and Maintenance - Digital Local Transit Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 21 pp

DIN 4000-102:2013 属性表格布局. 第102部分: XML架构属性表格布局用数据交换

Tabular layouts of properties - Part 102: Data exchange for tabular layouts of properties with XML schema