•Pseudorandom Patterns (PRBS)
All PRBS patterns required by standards are supported up to PRBS 231 – 1.
2n – 1 (n = 7, 9, 10, 11, 15, 20, 23, 31)
•Zero Substitution Pattern
Consecutive 0 s and 1 s patterns can be added to PRBS patterns for CDR tolerance tests.
2n, 2n – 1 (n = 7, 9, 10, 11, 15, 20, 23)
Patterns required by each application, such as CJTPAT, CJPAT and K28.5 can be created flexibly.
256 Mbits/ch max. (Steps: 1 bit)
A mixed data and PRBS pattern can be output. At creation of SONET/SDH frames, adding a PRBS231 – 1, etc., pattern to the payload supports setting of a continuous pattern across frames.
The DQPSK and DP-QPSK pre-code signal generation are supported. Hardware-based generation of modulation signals produces pure PRBS31 signals without pattern length restrictions.
Application evaluation using burst signals, such as optical loop test and transmission test using quantum noise technology are supported.