Edit Output AMI Configuration


To modify the output AMI configuration parameters:

  1. In the Line Settings pane, select YES or NO in the Enabled drop-down boxes to enable or disable each output.

  2. Select a line compensation in the Compensation drop-down boxes. This is the length of the cable used to connect the OT-21 to the Network Element being synchronized

  3. In the Group Settings pane, make the appropriate selections in the drop-down boxes. The selections are described in the table below.

Field / Section

Description

Group Settings

 

Framing

Select ESF, D4, CAS, or CCS.

Zero Suppression

Set to ON or OFF to suppress or not suppress leading zeros.

CRC

Set to ON or OFF to check or not check if data is correctly received.

SSM

Set to ON or OFF for reading or ignoring SSM messages.

Bit

Sets the E1 bit position to 4,5,6,7, or 8.

AIS

Set to ON or OFF to turn on or off the Alarm Indication Signal for degraded frequency.

 

Alarm Indication Signaling is a code transmitted downstream in a digital network indicating an upstream failure has been detected and alarmed.

  1. Click OK to accept changes and return to the Output AMI Configuration window, or Cancel to return to the Output AMI Configuration window without saving changes.

Note: SSM and Bit can only be set if Framing is set to E1 (CAS/CCS). If Framing is set to ESF or D4, both the SSM and Bit fields will be shaded and uneditable.

OT-21 Graphics/InputOutput_Screens/EditOutputConfigAMI.gif