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标题: ETSI EG 201 188 V1.2.1 (2000-01) [打印本页]

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作者: t7345s    时间: 2015-1-1 19:23:57     标题: ETSI EG 201 188 V1.2.1 (2000-01)

ETSI EG 201 188 V1.2.1 (2000-01)
ETSI Guide
Public Switched Telephone Network (PSTN);
Network Termination Point (NTP) analogue interface;
Specification of physical and electrical characteristics
at a 2-wire analogue presented NTP
for short to medium length loop applications

[attach]59590[/attach]

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作者: admin    时间: 2015-1-2 17:47:45

谢谢您的分享，金币已奖励

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