User manual

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3.5.7. Application of Multi-interface
Dual interface vs. Dual interface
Case 1 E1(Unframed)+ Serial interface Å---------Æ E1(Unframed)+ Serial interface
Case 2 E1(Framed)+ Serial interface Å---------Æ E1(Framed)+ Serial interface
Case 3 E1(Framed)+ Ethernet interface Å---------Æ E1(Framed)+ Ethernet interface
Case 4 E1(Framed)+ Serial interface Å---------Æ E1(Framed)+ Ethernet interface