Specifications

ASMi-52 Installation and Operation Manual Chapter 6 Troubleshooting and Diagnostics
Performing the Diagnostic Tests 6-17
Local
DTE
Data
Local ASMi-52
Data
Clock
Clock
Line
Interface
Glue
Logic
Transmit
Receive
Figure 6-19. Local Loopback

To run the local loopback:
1. From the Main menu, select Diagnostics.
The Diagnostics menu is displayed (see Figure 6-20).
2. From the Diagnostics menu, select:
 Local Test to run the LLB on the local ASMi-52
 Remote Test to run the LLB on the remote ASMi-52.
The Local/Remote Test menu appears (see Figure 6-21).
3. Select LLB.
The LLB value in parenthesis changes to ON. Also, an additional
parameter, Loop Timeout, is displayed for the local ASMi-52.
4. Select Loop Timeout, if you want to set loopback timeout (in minutes).
The Loop Timeout value changes.
Avoid setting timeout to 0 as local control is lost during LLB. 0=Forever
5. Once you selected the loopback timeout, select Save to activate the LLB.
The LLB is initiated. The TST indicator lights up and the ASMi-52 units lose
synchronization.
ASMi-52
Diagnostics
1. Local Test >
2. Remote Test >
3. Repeater Test >
>
ESC-previous menu ; !–main menu ; &–exit terminal
Figure 6-20. Diagnostics Menu
Note