ND-70348 (E) CHAPTER 4
Page 495-1
Revision 5.0
ACSCN
ACSCN: Assignment of CSC Data for NDM
1. General
This command is used to assign the Common Channel Handler (CCH) location of the Common Channel Sig-
naling Controller Group (CSCG) for the CCIS connected node within the Netfusing. The data assigned by this
command is written in the Network Data Memory (NDM) of the Network Control Node (NCN), updating the
NDM at each Local Node (LN).
2. Precautions
1. The CSCG represents the point code (PC) and the Circuit Identification Code (CIC) which correspond to
the B-channels (voice channels) of the CCIS interface as assigned by the ACIC2 command.
2. The CSCG parameter accepts with a range from 2 to 255 (except 128 and 129).
3. The even number CSCG and its consecutive odd number CSCG are a CSCG pair. (Ex. CSCG2 and CSCG3
are the CSCG pair.)
4. In the case of CCIS, the Common Channel Handler (CCH) circuit entered in the CCH parameters within a
CSCG pair share their work load. When CCH of GROUP0 has a heavy load, GROUP1’s CCH takes over
the job. When all of the CCHs within the even number CCHs load becomes high, its consecutive odd num-
ber CSCG’s CCHs share their work load.
5. The Common Channel Handler circuit handles the CICs (B-channels). The relationship between GROUP
and CICs are shown below.
6. The D-channel (signal channel) location should be entered in the CCH parameter as illustrated in Figure
4-33-1 and Figure 4-33-2, CCT , CCH
respectively.
When it is a CCT card, the “Signal2” involved group is the location that should be entered in the CCH pa-
rameter of even and odd number CSCG.
The CCH card equipped two circuits of Common Channel Handler on a card, thus the “CCH0” and
“CCH1” are the locations to enter in the CCH parameter.
7. When assigning the signal channel data for CCIS link within the Fusion network by this ACSCN (NDM)
command, the existing CCIS/ISDN data in DM and LDM turns invalid.
8. This command is available for the software Release 11 or later.
Table 4-27-1 Relationships between GROUP and CICs (ACSCN)
GROUP CIC
GROUP 0 CIC8, CIC16, CIC24 ·························· CIC992
GROUP 1 CIC1, CIC9, CIC17, CIC25 ··············· CIC993
GROUP 2 CIC2, CIC10, CIC18, CIC26 ············· CIC994
GROUP 3 CIC3, CIC11, CIC19, CIC27 ············· CIC995
GROUP 4 CIC4, CIC12, CIC20, CIC28 ············· CIC996
GROUP 5 CIC5, CIC13, CIC21, CIC29 ············· CIC997
GROUP 6 CIC6, CIC14, CIC22, CIC30 ············· CIC998
GROUP 7 CIC7, CIC15, CIC23, CIC31 ············· CIC999
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