标准号 |
中文名称 |
英文名称 |
NF Z89-381-1997 |
有听力障碍人用的电话.助听电话耳机的电感耦合 |
Telephony for hearing impaired people. Inductive coupling of telephone earphones to hearing aids. |
NF Z89-488-2001 |
终端设备.听觉损伤者用电话.使听觉损伤者受益的提供附加声音接收放大装置的电话机组的特征 |
Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired. |
NF Z89-640-2000 |
人类工效学.对标准电话机按键上的数字按字母方式排列 |
Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays. |
NF Z89-645-2001 |
电信管理网(TMN).同步数字系列无线电中继设备.用于Q接口的信息模式 |
Telecommunications Management Network (TMN) - Synchronous Digital Hierarchy (SDH) radio relay equipment - Information model for use on Q-interfaces. |
NF Z89-679-2000 |
终端设备.有听觉障碍人用电话.助听器上的电话装置的电耦合 |
Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids. |
NF Z89-767-2000 |
人类工效学.电话预付卡.可触模标记 |
Human factors (HF) - Telephone Prepayment Cards - Tactile Identifier. |