ND-70348 (E) CHAPTER 4
Page 487
Revision 3.0
ACSC
ACSC: Assignment of CSC Data
1. General
This command is used to assign 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 (CIC) which 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 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. When it is an ISDN interface, the location of the D-channel handler should be assigned in the CCH param-
eter 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 (B-channels). The relationship between GROUP
and CICs are shown below.
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 (Next Page), PRT
(page 489)
, CCH/DCH
(page 490)
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.
When it is PRT card, the “Dch2” involved group is the location that should be entered in the CCH parame-
ter of even number CSCG, and the same location should also be entered in the CCH parameter of its con-
secutive odd number CSCG.
The CCH card and/or DCH card equipped two circuits of Common Channel Handler on a card, thus the
“CCH/DCH0” and “CCH/DCH1” are the locations to enter in the CCH parameter.
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
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