Find out how FiberSource(r) from CFN Services can help * Accelerate your Network Planning and Deployment * Increase your time to revenue * Deliver your High Performance Network - where every microsecond matters * Increase capacity on your network while driving down the cost of ownership * Take Advantage of CFN's FiberSource® Knowledge-based Tool * Reduce CapEx by utilizing CFN Services finance and leasing options * Deliver a flexible network that can scale to meet the fluctuations and changing needs of your Organization

1. FiberSource® Overview
February 2006
This document is confidential and is intended solely for the use and
information of the client to whom it is addressed.

2. CFN Services continues a 25-year history of providing carriers with
telecom infrastructure services.
CFN Services Provides Telecom Infrastructure Services
Where We’ve Been… …What We Do Today
As CSX Corp, Co-founded Lightnet, 4th
Bringing Wal-Mart economics to wireless
largest long haul network prior to sale in and wireline network operators
1989
Solving the TDM access dilemma
Since 1983, helped over 50 carriers deploy
almost 20,000 route miles of fiber along rail
Driving platform economics around
corridor ($10B in plant & equipment) metro access networks
CSX Corp launched CSX Fiber Networks in
CFNS specializes in fiber-based
late 2001 to manage fiber lease business transport networks and facilities
In the past several years, deployed
Leased transport off-net to on-net
custom-integrated dark fiber networks in
network optimization
metro markets for major carrier clients
Custom fiber network design,
Built what is today FiberSource® as
sourcing, and deployment services
internal dark fiber planning and integration
platform to price and deliver fiber networks
Wireline & wireless network backhaul
CSX FN, LLC spun off in August ’05 –
Design/Deployed fiber networks for
becomes CFN Services, Inc.
Sprint-Nextel, AT&T, MCI, Verizon,
Level 3, Broadwing
CFN Services 2
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

3. Bringing Wal*Mart economics to wireless and wireline network
operators to solve the TDM local access transport network dilemma.
ILLUSTRATIVE
– Optimized Transport Network Platforms Flatten the Access Cost Curve –
Access Dilemma: Local access was a
$30B cost for carriers in 2005; 53% and
Current linear access cost curve
38% of MCI and ATT topline; 40-60% of
wireless network operating costs.
Carriers are facing rapidly increasing
transport volumes due to data services
Recurring bandwidth growth (e.g. Ethernet MAN)
Facilities based
TDM Access and 3G wireless services expansion
platform deployment
Cost
Facilities based infrastructure provides
significant bulk capacity with low
incremental growth costs effectively
New incremental access cost curve “flattening” the access cost curve
(CFNS optimized infrastructure platform)
CFN’s platform approach enables carriers
to enhance profitability as volumes grow
without requiring new capex/opex
2x 3x
Volume
Carriers facing local access transport volume growth
achieve better economics with a facilities based platform approach.
CFN Services 3
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

4. FiberSource® is the industry’s best and most comprehensive
telecom infrastructure knowledge and relationship base.
FiberSource®: Powers CFNS Fiber Network Design & Delivery Capabilities
Web enabled portal
FiberSource® & FiberMAP®
for real time access
FiberSource® Local access transport and
Over100 asset 220,000 fiber
owners route miles backhaul network design,
optimization, and implementation
550 metro
5-90Ghz broadband
networks
wireless spectrum
Local market footprint expansion
via leased line and fiber served
15,000 on-net 150,000
buildings and LEC collocations
buildings cellular sites
1,000 collocation/ 100,000 miles
carrier hotel sites rail corridor Carrier and enterprise network
120 Markets
design for dedicated or shared
20,000 Central Offices, TDM, WDM and Ethernet networks
FCC Market
boundaries, MSAs
CFN Services 4
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

5. Together FiberMAP® and FiberSource® enable CFN Services
capabilities for off-net to on-net optimization displacing type II costs.
FiberMAP® (Local Access Optimization Process)
Conduct
Gather Network Infrastructure
Perform Analysis Implementation
Map, Engineer
Requirements and Mapping Planning
Optimized Networks
Optimization
(iterate)
Optional Business
Case & ROI Data
AT&T
MCI
Verizon
CFNS
• Circuit Costs
• Forecasts
Customer
• New Service
Understanding Requirements
Detailed network
Network Deployment
Opportunities
deployment
Requirements
planning and
implementation
support
FiberSource®
Telecom & IT
Network CFNS
Requirements Inventory
(fiber, facilities,
and relationships)
Transport Customer
Equipment MAN & WAN
Specifications Locations
CFN Services 5
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

6. FiberSource® improves the productivity of pre-sales support resources
and accelerates sales cycles for fiber dependent products and services.
FiberSource® Planning Service Keeps the Sales Cycle Moving Forward
Requirements Develop Route Level Estimate High-level Confirm Asset Develop Site-level
Submission Design Costs (+/- 25%) Availability, Design Designs and Costs
1-4 weeks aligned with sales cycle
2 – 72 hours depending on complexity
• Confirm objectives, • Route level overview • High-level cost • Confirm asset • Finalize cost
scope, and required and solution network estimates including: availability, etc. estimate
detail maps • Fiber • Revise/refine • Working with asset
• Dark fiber/Lit Services • Preliminary hub/ design and cost owners initiate site
• Network Integration
node sites plotted estimates based on surveys to finalize
• Collocation • Lateral and other
availability, costs on
• Customer required
• Sites/addresses construction costs
demarc, etc. construction and
sites plotted
• Transport/access • Collocation other components
• Finalize proposed
equipment and/or • Engineering and route maps with
technologies Permitting construction
• Diversity requirements required
• Other design
standards
CFN Services provides fiber sourcing along a continuum from network planning support
through turnkey network delivery and financing under a single IRU/Lease/SLA
CFN Services 6
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

7. FiberSource® Sample Metro Fiber Data & Demo Screenshot
CFN Services 7
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

8. FiberSource® Sample Metro Fiber Data & Demo Screenshot
CFN Services 8
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

9. FiberSource® Off-net to On-net Optimization Demo Screenshots
CFN Services 9
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.

10. FiberSource® Off-net to On-net Optimization Demo Screenshots
CFN Services 10
This document is proprietary and is intended solely for the use and information of the client to whom it is addressed.