Keysight N1677A STM-4/OC -12 Optical Electrical Tester

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The N1677A STM-4/OC-12 SDH/SONET Module provides comprehensive STM-4/OC-12 and STM-1/OC-3 optical and electrical test capabilities. Available with industry standard single mode 1310nm Intermediate Reach (IR) 622/155Mbps optics for testing at STM-4 and STM-1 SDH or OC-12 and OC-3 SONET rates.

The module also features 52Mbps and 155Mbps electrical interfaces providing STM-0e and STM-1e SDH or STS-1, STS-3c and STS-12c SONET interfaces and E1-MTS or T1-BITS reference timing sources. Functionality includes clear channel BERT, drop and insert programmable and pseudo-random bit sequences with pass-through of other sub-rate channels into SDH/SONET hierarchy.