NEC NEAX 2400 IMX Manual page 108

Fusion network system
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7.2 Data Assignment for 52M-SDH Interface
This section explains the Fusion Connection with 52M-SDH interface, which is available for Release 4 or
later software.
The figures below explain the connection pattern.
Fusion Link with FCCH
Node-A
FCH
Internal LAN
Fusion Link without FCCH
) SDT: SDH/SONET Digital Trunk
*
FCH: Fusion Call Control Handler
F u s i o n
Optical Fiber Cable
SDTA
Connection Link (Data Link)
S
+
D
T
Connection Trunk (Speech Path)
B
SDTA
Optical Fiber Cable
For Dual Configuration
F u s i o n
ND-70185 (E)
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DATA PROGRAMMING
Assignment of FCH Related Data
Node-B
SDTA
FCH
S
D
T
B
SDTA
Internal LAN
CHAPTER 5
Revision 3.0
Page 93

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