4. Configuration
3160-A2-GB24-10 March 2001 4-43
Configuring for External Timing
Procedure
To configure 2-port and 4-port DSU/CSUs for external timing:
1. From the top-level menu screen, select Cnfig.
2. Select the configuration option set to be copied into the Edit ar ea by using the
appropriate Function key. Use the scroll keys, if necessary.
3. Select Edit.
4. From the Edit screen, press the key until the Gen selection appears on the
screen.
5. Select Gen.
6. Press F1 (Next) to display the next configuration option (Clock Src).
7. Select the master clock source. For external, press the key until the Ext
selection appears on the screen.
8. Select Ext (external timing).
9. Select the appropriate external clock rate by pressing the corresponding
Function key. This step is mandatory if you have chosen external clocking.
F1 F2 F3
Edit:
NET Chan Gen
F1 F2 F3
Clock Src:Ext
Prt1 Int Ext
F1 F2 F3
Clock Rate:1544
Next 2048 1544