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FAQ-How to Realize Intercommunication between E1/CE1 and Serial Port

Publication Date:  2012-07-27  |   Views:  83  |   Downloads:  0  |   Author:  Lu Daguang  |   Document ID:  EKB0000144562

Contents
Issue Description Alarm Information Handling Process Root Cause Suggestions

Issue Description

In debugging of WAN, the router at one side uses E1/CE1, and the counterpart at the other side uses serial port, so how to realize the intercommunication between both? 

Alarm Information

Null

Handling Process

Both E1/CE1 and V.35/V.24 are at physical layer, and they are transparent to link layer, so they could interact through upper layer protocols if only the physical connection is well. Generally, V.35/E1 protocol converter is used to connect V.35 and E1/CE1 cables, and V.24/E1 protocol converter to connect V.24 and E1/CE1 cables. 
Topology: Router (serial port)--V.35 cable--V.35/E1 protocol converter--E1 line--Transmission--E1 line--(E1/CE1 interface) Router; 
alternatively:  Router (serial port)--V.24 cable--V.24/E1 protocol converter--E1 line--Transmission--E1 line--(E1/CE1 interface) Router. 

Root Cause

Null

Suggestions

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