Trunks
ISDN
Strata CTX Programming - Part 2: CTX WinAdmin Programming 04/03 6-31
Trunks
320 B Channel
Prerequisite Program: 302 on page 6-25
PRI interfaces are purchased on per interface and channel basis. The B channel assignments allow for a
flexible activation of channels to match the subscribed services from the PSTN.
1. Complete the “B Channel Select
Record Sheet” on page D-31.
2. From the Program Menu, click
Trunk > ISDN > B Channel. The
ISDN B-Channel Assignments
screen displays (shown right).
3. Enter the Equipment Number, or
click List to see a summary of
progammed circuits.
4. Click the B Channel numbers that
you want to activate (see Table 6-9
below for T1 and E1 B Channel
default settings).
5. Click Submit.
Table 6-9 B Channel Defaults
B Channel Position
01~15 16 17~23 24 25~31
Span Interface Speed
1.5M (T1) ON ON ON OFF (Dch Pos)
2.0M (E1) ON OFF (Dch Pos) ON ON ON
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