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Operating the DSU
4-153550-A2-GB20-10 February 1995
16. Select SAVE (F1).
17. Save to Activ (F1).
Command Complete appears to confirm that the
configuration is saved.
Poll List
The Poll List (PList) subbranch maintains or changes
the DSU’s poll list. A control DSU’s poll list includes all
tributary DSUs and DBMs one level downstream.
You can display, clear, change, or acquire a poll list. If
you select Clr (Clear) from the Poll List screen, all
network addresses are erased from the DSU’s poll list.
PList is only available from the Local branch, and only
to a DSU configured for nondisruptive and mixed
diagnostics (Diag Type is set to NonD or Mixed).
Displaying the Poll List
To display each of the network addresses included in
the DSU’s poll list:
Procedure
1. Select PList (F2).
2. Select Displ (F1). The following screen appears:
F1
Addr: 2 Active
F2
F3
The number after Addr (in this example, 2) is the
network address of the poll list member. The
member is identified as either Active or Skip
(identified via the Change Poll List function).
3. Press the F1 or F2 key to display additional
addresses.
4. Press the
key to return to the Poll List screen.
Changing the Poll List
To change the poll list (e.g., add network address 3):
Procedure
1. Select Chang (F3).
F1
Chng Poll List:
Activ Delet Skip
F2
F3
2. Select Activ (F1).
F1
Address: 2
Enter
F2
F3
3. Press the F1 key to increment network address 2.
F1
Address: 3
Enter
F2
F3
4. Select Enter (F3).
F1
Make 3 Acti ve:
Command Complete
F2
F3
The address is added to the poll list. The control
determines the round trip delay, then sends that
information to the tributary DSU.
5. Press the
key to return to the Chng Poll List
screen.