Edit Input Configuration


To edit the input configuration:

  1. Select an option from the drop-down list boxes in the Edit screen. The fields are described in the table below.

  2. Click OK to accept changes and return to the Input Configuration window, or Cancel to return without saving changes.

Note: If Framing is set to ESF, CRC will be set to ON automatically.

Field / Description

Section

Input Configuration

 

AID

Input Identifier ( INP-A or INP-B)

Enabled

YES or NO (to enable input A or B)

Bypass

To turn bypass ON or OFF. Bypass mode on allows signals at input ports to bypass the OT-21 circuits and go directly to output ports.

TIM

Timing Insertion Mode - Select ON or OFF. TIM on allows the input data channels to pass through to the output data with timing provided by the internal clock.

Framing

Select ESF or D4 for DS1 and CAS or CCS for E1

Zero Suppression

Set zero suppression to ON or OFF. On eliminates leading zeros.

CRC

Cyclic Redundancy Checking. Used to check the integrity of a block of data. Ranges are from 0 to 100,000 seconds

SSM

ON or OFF for reading or ignoring SSM messages

Bit

Sets the E1 bit position to 4,5,6,7, or 8 (SSM Bit is only shown for E1 outputs)

Termination

EXT (External) or INT (Internal)

Provision PQL

The Priority Quality Level (PQL) is a Synchronization Status Message (SSM) table which allows for translation between DS1 and E1 SSMs

OT-21 Graphics/InputOutput_Screens/EditInputConfig.gif