交换机检测

STAS 9476-1974 离子交换机．离子交换机

ION EXCHANGERS ION EXCHANGERS

ITU-T Q.511-1988 交换机与其他交换机的接口

ITU-T G.703(1998)This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital

EXCHANGE INTERFACES TOWARDS OTHER EXCHANGES

KS C 7506-1977(2000 灯泡交换机

SWITCH BOARD LAMPS

STAS 9475/7-1974 离子交换机．阳离子交换机的总容量的测定

1 Prezentul standard se refer? la determinarea capacit??ii totale de schimb a cationi?ilor puternic ?i slab acizi. 2 Prin capacitate total

ION EXCHANGERS Determination of lotal volume capacity of cation exchangers

ITU-T Q.521 FRENCH-1993 数字交换机功能.数字交换机(11号研究组)10pp

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

DIGITAL EXCHANGE FUNCTIONS

ITU-T Q.521 SPANISH-1993 数字交换机功能.数字交换机(11号研究组)10pp

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

DIGITAL EXCHANGE FUNCTIONS

SIS SS 63 63 27-1991 电信设备．专用分组交换机（交换机）通用技术要求

Standarden omfattar gemensamma tekniska krav som i ett antal avseenden ej t?cks av ?vriga standarder f?r abonnent-v?xlar. Detta innefattar bl a krav p

Telecommunications equipment — Private Branch Exchanges (PBXs) — Common technical requirements

MT/T 1081-2008 矿用网络交换机

本标准规定了矿用网络交换机的产品分类、技术要求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于矿用网络交换机（以下简称交换机

Network switch for a coal mine

YD/T 1109-2001 ATM交换机技术规范

本标准规定了ATM交换机支持的业务、ATM交换机的功能、接口、性能参数和指标、业务量控制和拥塞控制、编号和寻址、信令、计费、OAM、网络管理和可靠性要求等。 本标准适用于我国ATM交换设备的科研开发、生产制造、运营和维护

Technical Specification of ATM Switch

SIS SS 63 63 30-1991 电信设备．专用分组交换机（交换机）非使用8位的PCM与A 规则的数字交换机的传输要求

Standarden omfattar digitala abonnentv?xlar, vilka inte anv?nder 8-bitars PCM-kodning enligt A-lag, med anslut-ning till det allm?nna telefonn?tet i

Telecommunications equipment — Private Branch Exchanges (PBXs) — Transmission requirements for digital PBXs not using 8 bits PCM with A-law

SIS SS 63 63 26-1991 电信设备．专用分组交换机（交换机）接口传出交换线信令要求

Standarden omfattar krav p? gr?nssnitt mot anknytnings-ledning som, enligt leverant?rens uppgift, ?r avsett att medge anv?ndning av s?dan jackansluten

Telecommunications equipment — Private Branch Exchanges (PBXs) — Signalling requirements in interface toward extension line

SNI 05-2249-1991 管状热量交换机

Tubular heat exchangers

SNI 05-1206-1989 车床中心交换机

Interchangeability sizes of centre of lathes

CEPT T/SF 50 E-1987 交换机内部拨号

PABX Internal Dial Call

ITU-T Q.544-1988 数字交换机测量

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

DIGITAL EXCHANGE MEASUREMENTS

STAS 9476-1974 离子交换机．离子交换机

ION EXCHANGERS ION EXCHANGERS

ITU-T Q.511-1988 交换机与其他交换机的接口

ITU-T G.703(1998)This Recommendation applies to digital local, combined, transit and international exchanges for telephony in Integrated Digital

EXCHANGE INTERFACES TOWARDS OTHER EXCHANGES

KS C 7506-1977(2000 灯泡交换机

SWITCH BOARD LAMPS

STAS 9475/7-1974 离子交换机．阳离子交换机的总容量的测定

1 Prezentul standard se refer? la determinarea capacit??ii totale de schimb a cationi?ilor puternic ?i slab acizi. 2 Prin capacitate total

ION EXCHANGERS Determination of lotal volume capacity of cation exchangers

ITU-T Q.521 FRENCH-1993 数字交换机功能.数字交换机(11号研究组)10pp

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

DIGITAL EXCHANGE FUNCTIONS

ITU-T Q.521 SPANISH-1993 数字交换机功能.数字交换机(11号研究组)10pp

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

DIGITAL EXCHANGE FUNCTIONS

SIS SS 63 63 27-1991 电信设备．专用分组交换机（交换机）通用技术要求

Standarden omfattar gemensamma tekniska krav som i ett antal avseenden ej t?cks av ?vriga standarder f?r abonnent-v?xlar. Detta innefattar bl a krav p

Telecommunications equipment — Private Branch Exchanges (PBXs) — Common technical requirements

MT/T 1081-2008 矿用网络交换机

本标准规定了矿用网络交换机的产品分类、技术要求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于矿用网络交换机（以下简称交换机

Network switch for a coal mine

YD/T 1109-2001 ATM交换机技术规范

本标准规定了ATM交换机支持的业务、ATM交换机的功能、接口、性能参数和指标、业务量控制和拥塞控制、编号和寻址、信令、计费、OAM、网络管理和可靠性要求等。 本标准适用于我国ATM交换设备的科研开发、生产制造、运营和维护

Technical Specification of ATM Switch

SIS SS 63 63 30-1991 电信设备．专用分组交换机（交换机）非使用8位的PCM与A 规则的数字交换机的传输要求

Standarden omfattar digitala abonnentv?xlar, vilka inte anv?nder 8-bitars PCM-kodning enligt A-lag, med anslut-ning till det allm?nna telefonn?tet i

Telecommunications equipment — Private Branch Exchanges (PBXs) — Transmission requirements for digital PBXs not using 8 bits PCM with A-law

SIS SS 63 63 26-1991 电信设备．专用分组交换机（交换机）接口传出交换线信令要求

Standarden omfattar krav p? gr?nssnitt mot anknytnings-ledning som, enligt leverant?rens uppgift, ?r avsett att medge anv?ndning av s?dan jackansluten

Telecommunications equipment — Private Branch Exchanges (PBXs) — Signalling requirements in interface toward extension line

SNI 05-2249-1991 管状热量交换机

Tubular heat exchangers

SNI 05-1206-1989 车床中心交换机

Interchangeability sizes of centre of lathes

CEPT T/SF 50 E-1987 交换机内部拨号

PABX Internal Dial Call

ITU-T Q.544-1988 数字交换机测量

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

DIGITAL EXCHANGE MEASUREMENTS