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Networking Screens
283
Administration for Network Connectivity
555-233-504 — Issue 1 — April 2000 CID: 77730
A Screens Reference
Trunk Group for Channel Selection
Enter the assigned trunk group number. (An ISDN-BRI trunk group may not be used.)
Supplementary Service Protocol
Determines whether AT&T NCA TSCs or QSIG NCA TSCs are sent over the
interface. To change this field from a to b, first check the Adm’d NCA TSC Index
field on the ISDN TSC Gateway Channel Assignments (page 291). Make sure no
NCA TSC on the Signaling Group screen is administered as a Gateway Channel. If
they are, you must remove the NCA TSC Gateway assignment first before this field
can be changed to b.
Trunk Brd
Enter a 5-character DS1 Interface circuit pack number that has trunk members
belonging to this Signaling Group. Displays when the Associated Signaling field is n
(indicates NFAS).
Interface ID
In an NFAS Signaling Group, an Interface ID must be assigned to each DS1 facility
so that it can be referenced by both interfacing switches. When a call is established
between switches, the Interface ID at each end is used to determine which B-channel
is to be used to establish the call. The Interface ID numbers on both ends must be the
same. Displays when the Associated Signaling field is n (indicates NFAS). Enter an
interface ID for the corresponding DS1 Interface circuit pack.Pages 2 through 5 of the
screen.
Valid entries Usage
1 to 99.
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Valid entries Usage
a AT&T protocol
b QSIG protocol. This field may be set to b only if the Basic
Supplementary Services field on the System-Parameters
Customer-Options screen is y. If this field is b, pages 2 through
5 do not appear.
Valid entries Usage
01 through 44 (G3r) First and second characters are the cabinet
number
01 through 03 (G3si)
A through E Third character is the carrier
01 through 20 Fourth and fifth characters are the slot number
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