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NDA-24298 CHAPTER 4
Page 631
Issue 1
ACSC : Assignment of CSC Data
ACSC: Assignment of CSC Data
1. General
This command assigns the Common Channel Handler (CCH)/D-Channel Handler (DCH) location of the
Common Channel Signaling Controller Group (CSCG).
2. Precautions
1. The CSCG represents the Point Code (PC) and the Circuit Identification Code (CICs) that correspond to
the B-channels (voice channels) of the CCIS interface as assigned by the ACIC2 command. On the other
hand, the CSCG represents the PC of the ISDN interface as assigned by the ACIC1 command.
2. The CSCG parameter accepts 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 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 number CSCG’s CCHs share
their work load.
5. When it is an ISDN interface, the location of the DCH should be assigned in the CCH parameter of the
even number CSCG within the CSCG pair. The first group of the PRT/DTI card is used for the location of
the B-channel in the CCH parameter of the odd number CSCG.
6. The Common Channel Handler circuit handles the CICs means of B-channels. Table 4-26 shows the
relationship between GROUP and CICs.
7. The D-channel (signal channel) location should be entered in the CCH parameter as illustrated in Figure
4-29 through Figure 4-31, CCT, PRT, CCH/DCH respectively.
When it is a CCT card, the Signal2 group is the location that should be entered in the CCH parameter of
even and odd number CSCG.
Table 4-26 Relationships Between GROUP and CICs
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