Form 10-Q TELLABS INC filed this Form

First six months 2013 compared with first six months 2012

Optical

Revenue from the Optical segment was $205.8 million, compared with $226.8 million. Within this segment, increased revenue from the Tellabs ^® 7100 optical transport systems was more than offset by lower revenue from the Tellabs ^® 6300 managed transport systems and the Tellabs ^® 5000 digital cross-connect systems. Optical segment profit was $38.2 million, compared with $43.8 million. The decline in optical segment profitability was primarily driven by the lower level of revenue from the Tellabs ^® 6300 managed transport systems and the Tellabs ^® 5000 digital cross-connect systems, which more than offset increased product gross margins .

Data

Revenue from the Data segment was $68.7 million, compared with $147.1 million, primarily on lower revenue from the Tellabs ^® 8100 managed access systems and the Tellabs ^® 8600 and 8800 smart routers. Data segment loss, driven primarily by the lower overall revenue level and lower gross margins, was $17.3 million, compared with segment profit of $0.4 million.

Access

Revenue from the Access segment was $58.4 million, compared with $73.2 million. The decrease in segment revenue was driven primarily by lower revenue from the Tellabs ^® 1600 single-family ONTs. Access segment profit, driven primarily by the lower level of revenue that more than offset improved product gross margins, was $9.5 million, compared with $12.4 million.

Services Segment

Revenue from the Services segment was $88.6 million, compared with $98.9 million. The decline in segment revenue was driven primarily by lower deployment, support agreement and professional services revenue. Services segment profit was $29.4 million, compared with $32.4 million. The decrease in segment profit was driven primarily by the lower level of revenue from support agreements and professional services.