HP OMNIBER 718 HP 37718A - Manual (Page 16)

6
Setting the Interfaces
Setting SONET Transmit Interface
If you have chosen 2 Mb/s, DS1 or DS3 under Mapping, the Framed
choice is expanded to provide a menu of framing types.
9 Choose the PATTERN type and PRBS polarity.
10 Choose the mapping required in the background (non-test) STS’s.
11 If VT mapping is chosen for the test STS, choose the PATTERN IN
OTHER VT’s.