DS1
(ONS 15454 DS1/E1-56 and DS3XM-12 cards only) Use the BERT > DS1 subtab to enable BERT mode on a DS1 port.
 
Item
Description
Port
Displays the card port number.
TPGM-Selection
Choose an option from the drop-down list:
TPGM-L—Enables test pattern generator and monitor on the line side. This option is not available for the DS3XM-12 card because you can configure DS1 port only on the backplane side.
TPGM-B—Enables test pattern generator and monitor on the backplane side. You can enable TPGM-B on a port only if that port has a bidirectional circuit.
None—Does not enable BERT mode on the port.
Note
The port must be in OOS-MT state before enabling TPGM-L or TPGM-B. To enable TPGM-L or TPGM-B on a DS1 port, the line framing type must be D4, ESF, or unframed.
Pattern
Choose the test pattern from the drop-down list. The available test patterns include PRBS15, PRBS20, PRBS23, QRSS, and Alt1s0s (alternating ones and zeroes).
Apply
Applies changes made to the fields in the tab.
Reset
Cancels any changes to the tab and returns the fields to their last-saved settings.
Help
Displays context-sensitive help.

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