NEC Neax 2400 Imx Fusion Network System Manual

CHAPTER 7 ND-70185 (E)
Page 166
Revision 3.0
TROUBLESHOOTING
23-U FCH Status Information
9.5 FLTINF = 1FH Spanning Tree Generation Start
This message is displayed when Spanning Tree Generation starts.
Figure 7-22   23-U FCCH Status Notification - Spanning Tree Generation
9.6 FLTINF = 85H Checksum Verification Failure
This message is displayed when Checksum verification has resulted in failure between the PBX and the firm-
ware.
Figure 7-23   23-U FCCH Status Notification - Checksum Verification Failure...

ND-70185 (E) CHAPTER 7
Page 167
Revision 3.0
TROUBLESHOOTING
23-W FCH Alternate Routing Start Notification
10. 23-W FCH Alternate Routing Start Notification
This message is displayed when the indicated FCH card of self-Node becomes inoperative. This message is also
displayed when the card is placed in make busy status by MNT 3 switch operation. In addition, when the FCH
of the adjacent node becomes inoperative, this message is displayed.
Figure 7-24   23-W FCCH Alternate Routing Start Notification
11....

CHAPTER 7 ND-70185 (E)
Page 168
Revision 3.0
This page is for your notes. 

ND-70185 (E) CHAPTER 8
Page 169
Revision 3.0
CHAPTER 8 EX- FCCS
1. General
This feature provides the following functions (they are activated when connecting multiple Fusion networks) or
a NEAX2000 IVS
2 system to a Fusion Network using the Enhanced CCIS feature. The network connected by
EX-FCCS function is referred as EX-FCCS Network in this manual. The network connected via Enhanced CCIS
function is referred to as Enhanced CCIS network in the manual.
1. Number PortabilitySee Section 3.1 “Number...

CHAPTER 8 ND-70185 (E)
Page 170
Revision 3.0
EX- FCCS
EX-FCCS Network Configuration
2. EX-FCCS Network Configuration
2.1 Network Configuration
The summary of network configuration classified into two types are shown in Ta b l e  8 - 1. See Table 8-1 in
conjunction with Figure 8-1 for easy understanding of network configuration. The following items and sec-
tions explain more details.
Note:[Hardware Configuration] 
For IMX to IMX connection type, both FCH and CCH cards are available.
Fo r  I V S
2 to IMX...

ND-70185 (E) CHAPTER 8
Page 171
Revision 3.0
EX- FCCS
EX-FCCS Network Configuration
2.2 Conditions for Network Establishment (NEAX2000 IVS
2 to NEAX2400 IMX Connection) 
Conditions for connecting the NEAX2000 IVS2 to NEAX2400 IMX are described below.
1. All IVS
2 systems must be directly connected to an IMX. See Figure 8-2.
Figure 8-2   NEAX2000 IVS2 to NEAX2400 IMX Connection
2. The number of logical routes available (899) in the FCCS network is reduced by one for every route
provide in the NEAX2000...

CHAPTER 8 ND-70185 (E)
Page 172
Revision 3.0
EX- FCCS
EX-FCCS Network Configuration
2.3 Conditions for Network Establishment (NEAX2400 IMX to NEAX2400 IMX Connection) 
Conditions for establishing a FCCS network (NEAX2400 IMX to NEAX2400 IMX) are shown below. 
1. Each Fusion Network can accommodate a maximum of 253 network IDs.
2. Each Fusion Network can accommodate a maximum of 899 logical routes.
3. The NCN and NDM exist individually in each Fusion Network.
Figure 8-3   NEAX2400 IMX to NEAX2400 IMX...

ND-70185 (E) CHAPTER 8
Page 173
Revision 3.0
EX- FCCS
EX-FCCS Network Configuration
2.4 Fusion Network Group (FUG)
[Fusion Network Group (FUG)]
When connecting multiple Fusion networks using EX-FCCS, a Fusion Network group number is required
to distinguish different Fusion Network groups. A Fusion Network Group is called as “Fusion Group
(FUG)”. A maximum of 4 FUGs can be connected via EX-FCCS.
[Center Fusion Group (Center FUG)]
Identify the Center Fusion Group (Center FUG) from the FUGs in the EX-FCCS...

CHAPTER 8 ND-70185 (E)
Page 174
Revision 3.0
EX- FCCS
EX-FCCS Network Configuration
2.5 Interactions
1. Conditions for PS Service
Roaming and Hand-over feature cannot be activated between FUG-FUG in an EX-FCCS network and
FUG-IVS
2 in an Enhanced CCIS network. To execute roaming service, connect other Q.931a/IS-
11572 lines.
2. Conditions for OAI/ACD Service
The OAI/ACD service in EX-FCCS Network is executed on the same condition in CCIS Network. 

ND-70185 (E) CHAPTER 8
Page 175
Revision 3.0
EX- FCCS
EX-FCCS Features
3. EX-FCCS Features
3.1 Number Portability
[Operating Procedure] 
1. Log in to the NCN of the Center FUG from the Centralized-MAT for EX-FCCS.
2. Assign the Telephone Number data using AELGN command. The new data is automatically copied to
the NDM in the self-FUG and the other FUG in an EX-FCCS network. AELGN command is also
used to delete or change Telephone Number data in addition to assignment.
Note 1:AELGN command is used to...