Qwest Communications (Q) has released its capital expenditure (CapEx) guidance for 2010. The local and long-distance telephone service provider expects its CapEX to remain at par with the estimated 2009 level of $1.7 billion.      Qwest continues to invest in building necessary infrastructure to boost network capacity and availability. Historically, the company has allocated a major portion of the overall CapEx in deploying additional fiber-to-the-node (“FTTN") capacity to increase the performance of its broadband network. Moving forward, Qwest plans to increase spending on deployment of fiber optic cable to support wireless services.   The company recently introduced a new fiber-based Ethernet backhaul wholesale service for wireless operators. The service (called Qwest Mobile Ethernet Backhaul) leverages Qwest’s FTTN network to extend fiber connections to cellular sites. This will enable wireless operators to upgrade their existing copper-based wireless backhaul networks to faster fiber optic connections, which will expand capacity ...