Input Configuration


The Input Configuration window displays the current configuration of the specified input. The fields are described in the table below.

Click Edit to change the input configuration parameters.

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, D4, CAS, CCS, CLK

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

Select 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 SSM's