Operating the DSU4-173550-A2-GB20-40 July 1999DirectoryThe DSU’s dial backup Directory (Dir) can store up toten telephone numbers (dial strings) so the DBM can callother DBMs or modems. Directory entries are numberedfrom 1 to 10. Each dial string in the directory can be up to36 characters in length. Refer to Table 4-6 for numbersand characters that can be used.When the dial string or changes are complete, enter anunderscore ( _ ) to the immediate right of the lastcharacter; this ends the dial string field.NOTEDo not load duplicate telephonenumbers into the Directory;telephone numbers should beunique.Entering a Telephone NumberFor the following example, we will add a dial string(telephone number) to Backup Directory 1. The number tobe entered is 555-1234.To add or change a telephone number: Procedure1. Select Local.2. Press the key to display Confg (Configurationbranch).3. Select Confg.4. Select Dir if entering a telephone number into theBackup Directory.Press the key to display then select Phone ifentering the local DSU’s telephone number. Thistelephone number is entered similarly to enteringa number into Dir.5. Select Chang (F1) to add or change a telephonenumber.The Enter Dir screen appears.Press the F1 key (↑) to increment the Directoryentry indicator (the default is 1). For this example,assume that you are entering your first directoryentry.6. Select Load (F2).The Directory entry appears on the first line; thecursor is positioned in the first position of thecurrently empty Directory.F11 :UndoF2 F3If the number had been entered previously, thatnumber would appear on the first line, followingthe colon (:).For numeric screens, the following applies:— Press the F1 key (↑) to increment the digit.— Press the F2 key (↓) to decrement the digit.— Press the or keys to move theblinking cursor one position to the left orright.— Press the F3 key (Undo) to restore the numberas it was first displayed so you can start over.Refer to Table 4-6 to see all available directoryand password entry characters.7. Press the F1 key until the number 5 appears.8. Press the key to move to the next position.9. Repeat the process until all numbers in thetelephone number have been entered.F11 : 5 5 5 1 2 3 4UndoF2 F3NOTEA dial string cannot have anyseparating characters or spaces(i.e., 555-1234 or 555 1234).Other valid characters can beinterspersed as needed : *, #, t,p, w, and comma (,).