发明名称 |
METHOD OF TESTING A DIGITAL DATA TRANSMISSION LINE BETWEEN TWO MODEMS AND DEVICE FOR CARRYING OUT THIS METHOD |
摘要 |
<p>A method for testing a digital data transmission line connected between two modems, including the steps of transmitting a test message from the first modem to the second modem, comparing the received message with the standard test message to determine errors, transmitting a test message back to the first modem along with the error message determined from comparing the received test message with the standard test message at the first modem. The error signal transmitted to the first modem and the error detected there is interpreted to determine the error in the transmission.</p> |
申请公布号 |
EP0026135(B1) |
申请公布日期 |
1986.01.08 |
申请号 |
EP19800401317 |
申请日期 |
1980.09.16 |
申请人 |
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES L.T.T. |
发明人 |
GREGOIRE, MICHEL;VUILLEMIN, JEAN-CLAUDE |
分类号 |
H04L1/24;(IPC1-7):H04L1/24 |
主分类号 |
H04L1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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