2
Setting the Interfaces
Setting PDH Transmit Interface
Description PDH transmit interface settings should match network equipment
settings of Rate, Termination and Line Code and determine the Payload
to be tested.
TIP: To set the Transmitter and Receiver to the same interface settings
choose .
Option
Differences
If Option 110 is fitted the following SIGNAL rates and TERMINATION
choices apply:
2 Mb/s - Termination 75 Ω UNBAL or 120Ω BAL
34 Mb/s - fixed 75Ω UNBAL
DS1 - 100 Ω BAL; select LINE CODE from AMI or B8ZS, and OUTPUT
LEVEL from DSX-1 or DS1-LO.
DS3 - 75Ω UNBAL; LINE CODE fixed B3ZS; select OUTPUT LEVEL
from DS3-HI, DSX-3 or DS3-900’.
OTHER
SETTINGS CONTROL COUPLED
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