Specifications
Optimux-XLT1 Installation and Operation Manual  Chapter 4 Supervisory Port Software Configuration 
  The Optimux-XLT1 Device Information  4-7 
Changing the Clock Source 
➤  To change the clock source: 
Type 4 in the Device Information Menu screen. 
The Clock screen appears. 
LOCAL DEVICE 
 CLOCK 
 ----- 
 0. Exit 
  1.  Change clock source: INTERNAL 
  2.  Reset to default configuration 
  Enter your choice: 
➤  To view and change the clock source: 
1. Type 1 to enter the change clock source option. 
2. Type 1 for LoopBackTiming (RCV clk), 2 for Internal (INT clk), or 0 to cancel 
your choice. 
➤  To reset to the default clock configuration (INT): 
1. Type 2 to perform the reset to default configuration option. 
2.  Confirm the action. 
3. Type 0 to exit the Clock screen. 
Option 1 (view and change the clock source) is not available in Hardware Version A. 
Loop back timing is not available at the Remote Device and at the Local Device at 
the same time. 
Note 
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