CaliforniaCaliforniaPublic Utilities CommissionPublic Utilities Commission

CaliforniaCaliforniaPublic Utilities CommissionPublic Utilities Commission

Verizon Wireless Verizon Wireless

Back-up SystemsBack-up Systems

SLIDE 2

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Network Quality = ReliabilityNetwork Quality = Reliability

Network Reliability is very, very important…

SLIDE 3

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Back-up PowerBack-up PowerBack-up PowerBack-up Power

• Where were you when the lights went out?– Northeast Blackout 1965– NYC Blackout 1977– Western Inter-tie failure 1996 9 states + Mexico– Ice Storm 1998 – Ontario, Quebec and N/E US– Substation error San Fran 1998– California 2000 – 2001 Rolling blackouts– Southern California 2003 – 2007 Fires– Northeast Blackout 2003 8 states + Ontario– Hurricane Isabel 2003 9 N/E states + Ontario & Quebec– Hurricane Frances 2004 – Florida– Hurricane Katrina 2005 Fl, LA, MS, AL– 2006 Storms: Philadelphia, St. Louis, SeaTac,– 2007 Storms: OK, MI, MO, TX

SLIDE 4

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Cell Site ReliabilityCell Site ReliabilityCell Site ReliabilityCell Site Reliability

• Emergency Generators• 8 hour battery backup • Portable back-up Generators

• Cells on Wheels (COW’s)

• Cells on Light Truck/Trailer (COLT’s)

• Regular emergency response drills

SLIDE 5

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Mobile Switching Center (MSC)Mobile Switching Center (MSC)Mobile Switching Center (MSC)Mobile Switching Center (MSC)

• Network Quality & Switch Reliability

• Redundant processorsRedundant processors• Diversified and protected facilitiesDiversified and protected facilities• EPDR binders for every officeEPDR binders for every office• Generator systems Generator systems • MSC designed with 8 hrs battery back upMSC designed with 8 hrs battery back up• Preventive Maintenance programPreventive Maintenance program• Engineer to NEBS Level 3 StandardsEngineer to NEBS Level 3 Standards

SLIDE 6

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Back-up SystemsBack-up SystemsBack-up SystemsBack-up Systems

COW-(Cell On Wheels)COW-(Cell On Wheels)COW-(Cell On Wheels)COW-(Cell On Wheels)

COLT-(Cell On Light Truck)COLT-(Cell On Light Truck)COLT-(Cell On Light Truck)COLT-(Cell On Light Truck)

SLIDE 7

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Local Network Control CentersLocal Network Control CentersLocal Network Control CentersLocal Network Control Centers

• Monitoring networkMonitoring network• Insuring Network AvailabilityInsuring Network Availability

SLIDE 8

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

WEST NOC

EAST NOC

Redundant Network Operations Centers 24 X 7 X 36520,000+ Network Elements Immediate response

Network Quality

SLIDE 9

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Region Disaster Recovery ResponseRegion Disaster Recovery Response Region Disaster Recovery ResponseRegion Disaster Recovery Response

• PNW Windstorm

– Winds in excess of 90 Mph (60+ Mph in Seattle) struck W. Wash.

– 1 to 2 million homes/businesses lost commercial power (majority for 48 to 72 hours)

– VZW Results:

• At worst point, 60% of our cells (including 2 of 3 MSC’s) w/o commercial power - 87% of sites were operational

• Network carried 50% more traffic than normal Friday

• Baseline results for 2 days following the storm demonstrated VZW superior performance

SLIDE 10

Proprietary and Confidential Information of Verizon Wireless. No disclosure permitted without written permission.

Fuel Cell Technology for WirelessFuel Cell Technology for WirelessFuel Cell Technology for WirelessFuel Cell Technology for Wireless

• Present Status Present Status – Most fuel cells on the market are 5 KW units and some can Most fuel cells on the market are 5 KW units and some can

be configured into parallel systems to increase capacitybe configured into parallel systems to increase capacity– Fuel cell companies are working to increase the capacity of Fuel cell companies are working to increase the capacity of

their systems.their systems.

• Other FactorsOther Factors– National Fire Protection Association (NFPA) Standards National Fire Protection Association (NFPA) Standards

restricts where hydrogen storage tanks may be placed.restricts where hydrogen storage tanks may be placed.– Fuel Cells cannot handle heavy inrush currents or “step Fuel Cells cannot handle heavy inrush currents or “step

loads” presented by compressors for air conditioning & loads” presented by compressors for air conditioning & microwave waveguide dehydrators.microwave waveguide dehydrators.

• Verizon Wireless is trialing as the technology Verizon Wireless is trialing as the technology advances. advances.

Thank youThank you