Semtech announced its decision to take part in the ECOC 2012 as a participant in the Optical Internetworking Forum (OIF) demonstration of the CEI-28G-VSR Implementation Agreement (IA). Semtech, along with other companies, will showcase OIF interoperability through OIF’s link layer and physical layer demonstrations.
As part of the OIF demonstrations, Semtech along with TE Connectivity (TE) will demonstrate an active copper cable (ACC) application that leverages the QSFP-28Gb/s form factor at 25.78 Gb/s. The TE 28-Gb/s QSFP-ACC assembly, which includes Semtech’s GN2425/26 25-28-Gbps clock and data recovery (CDR) chips, will also feature in the demonstration.
Both OIF CEI-28-VSR applications and 100-Gb/s InfiniBand Enhanced Data Rate (EDR) and 100-Gb/s Ethernet applications are supported by the TE 28-Gb/s QSFP-based ACC assembly. This assembly transmits data rates in the range of 25 Gb/s -28 Gb/s over a 4-channel, 34gauge copper cable of 2 m. The reduced size of this wire gauge, in which the cable assembly has an overall diameter of 5.8 mm, contributes to improvement in cable management and increase in air flow.
The GN2425/26 CDRs of Semtech enhance the performance of 25 Gb/s copper links in terms of robustness and reach. This reach is due to enhanced jitter performance and sensitivity, which in turn reduces module power as a result of reduced electrical equalization.
The Vice President of Marketing and Applications with Semtech’s Gennum Product Group, Imran Sherazi, said that active cables provide maximum power and reach while simultaneously simplifying the design of the serial link that connects the cable connector and the host ASIC. He also said that he was happy to team up with TE and increase the awareness among system designers to adopt Active Cables as a solution.
Source: http://www.semtech.com/
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