VERIZON PRACTICE VZ 220-000-001 Verizon Standard Issue 1, February 2003 Verizon Safe Time Window Practice Contents Subject Page 1. General.......................................................................................................................................................3 1.1 Purpose....................................................................................................................................................3 1.2 Supersedures ...........................................................................................................................................4 1.3 Responsibility ...........................................................................................................................................4 1.4 Disclaimer.................................................................................................................................................4 2.1 Definitions.................................................................................................................................................5 2.2 References ...............................................................................................................................................8 3. PAUSE........................................................................................................................................................9 3.1 Prevent All Unplanned Service Events Policy............................................................................................9 4. National Operations Construction/Outside Plant...................................................................................10 4.1 National Operations Construction Safe time window Activity Guidelines ..................................................10 4.2 National Operations Construction High-risk Work Activities .....................................................................10 5. Central Office Equipment Installation (COEI).........................................................................................11 5.1 Central Office Installation Safe time window Activity Guidelines...............................................................11 5.2 COEI High-risk Work Activities................................................................................................................11 5.3 Equipment Contractor Guidelines............................................................................................................12 6. Network Operations Translation Design ................................................................................................13 6.1 NOTD Safe time window Guidelines ........................................................................................................13 6.2 Additional Required Notification ..............................................................................................................13 6.3 Deviation Steps for Policy Exceptions .....................................................................................................13 6.4 Risk Level Definitions..............................................................................................................................14 6.5 Translation Risk/Task Matrix...................................................................................................................14 7. Fast Packet Group & xDSL......................................................................................................................18 7.1 Fast Packet Safe time window Activity Guidelines...................................................................................18 7.2 xDSL ......................................................................................................................................................19 8. Network Maintenance..............................................................................................................................22 8.1 X.25........................................................................................................................................................22 8.2 SS7 Provisioning Safe time window ........................................................................................................22 8.3 ISCP/ISP ................................................................................................................................................23 8.4 AIN/NDB ISCP........................................................................................................................................23 8.5 Application Maintenance Risk Factors.....................................................................................................24 8.6 LNP Network Element Safe time window Policy ......................................................................................24 8.7 LNP Network Element Safe time window Time Zone Translator ..............................................................25 8.8 Central Office Maintenance.....................................................................................................................26 8.9 Central Office Safe time window Activity Guidelines ................................................................................26 8.9.1 GTD-5 Switching System .....................................................................................................................26 8.9.2 DMS100/200/250/300 –TOPS Switching Systems................................................................................27 8.9.3 5ESS Switching System.......................................................................................................................27 NOTICE Not for use or disclosure outside Verizon Communications except under written agreement. VZ 220-000-001, ISS 1 8.9.3 5ESS Switching System, continued..............................................................................................28 8.9.4 DCO Switching System.......................................................................................................................28 8.9.5 DMS-10 SWITCHING SYSTEM ...........................................................................................................29 8.9.6 EWSD Switching System......................................................................................................................29 8.9.6 EWSD Switching System, continued .....................................................................................................30 8.10 CO Power Systems...............................................................................................................................31 8.11 STP ALCATEL/TEKELEC/NORTEL......................................................................................................32 8.12 Transport (DCS/Fiber/Digital Loop Carrier) Systems .............................................................................33 9. Real Estate Operations............................................................................................................................35 9.1 Real Estate Operations Safe Time Window..............................................................................................35 10. E-911 ......................................................................................................................................................36 10.1 General.................................................................................................................................................36 10.2 911 Network .........................................................................................................................................36 10.3 PSAP Equipment..................................................................................................................................37 10.4 Interoffice Transport..............................................................................................................................37 E911 Database..............................................................................................................................................37 10.5.1 INTRADO Platform - VZ East..............................................................................................................37 10.5.2 New Jersey - STRATUS Platform........................................................................................................37 10.5.3 INTRADO Platform - VZ West.............................................................................................................38 10.5.4 HP 3000 ALI Systems.........................................................................................................................38 10.6 National Trouble Reporting Centers ......................................................................................................38 10.6.1 911 Control Center for Mid Atlantic and New York State.....................................................................38 10.6.2 911 Service Response Center (SRC) for New England States............................................................38 11. Technical Support Services Telephone Numbers................................................................................40 Technical Support Services Telephone Numbers...........................................................................................40 NOTICE Not for use or disclosure outside Verizon Communication except under written agreement. Page