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ND-71762 (E) CHAPTER 2
Page 27
Issue 2
GENERAL INFORMATION FOR CCIS
6.3 FCCS Group (FUG)
1. Since multiple FCCS networks are connected in the network, FCCS network group number is required to
distinguish each FCCS network from others. An FCCS network group is called FCCS group (FUG), and a
maximum of 4 FUGs can be connected in the network.
2. A center FUG should be specified from among multiple FUGs in the network. It is the sole node allowed
assigning and deleting telephone numbers within the self FUG and the others.
3. The network consists of FUGs and NEAX2000IPS systems within the range of 2 SPANs from the center
FUG and within the range of 4 SPANs from end to end.
NETWORK CONFIGURATION
Centralized MAT
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IPX
IPX IPX
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IPX
IPX
IPX
IPX
CCIS
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IPX IPX
CCIS
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FUG4
2SPAN
FUG2 (Center FUG)
FUG3
FUG1
2SPAN
1SPAN
1SPAN
1SPAN
2SPAN2SPAN
2SPAN
1SPAN
CCIS
CCIS
CCIS
CCIS
CCIS