Network Channel Interface (NCI) - Verizon

Network Channel (NC),Network Channel Interface (NCI) &Secondary Network Channel Interface(SECNCI)GuideFor UNE Hi-Cap Facilities inVerizon East(ME, NH, VT, RI, MA, CT, NY, NJ, PA,DE, DC, MD, VA & WV)Verizon proprietary - subject to the restrictions on the notices page.Release Date: August 2002

NOTICESDisclaimerThis documentation is for general information purposes only. Thisdocumentation does not obligate Verizon to provide services in the mannerdescribed herein. Verizon reserves the right as its sole option to modify orrevise the information contained in this documentation at any time withoutprior notice.In addition to and without limitation of any other limitation of liability ofVerizon or its affiliated companies set forth in an applicable contract or tariff,or elsewhere, in no event shall Verizon or its affiliated companies, or theiragents, employees, directors, officers, representatives, or suppliers, beliable under contract, warranty, tort (including but not limited to thenegligence of Verizon or its affiliates), or any other legal theory, for anyincidental, consequential, special or indirect damages arising from orrelating to this document or its contents, even if advised of the possibility ofsuch damages.In this document, any usage of Verizon, VZ or state abbreviations refers toterritories served by the former Bell Atlantic Corporation.© 2001 Verizon CorporationAll rights reserved.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August 2002

PAGE: 1UNE IOF TRANSPORT – OC12(SPEC FIELD = UNBALL)Termination Type – OC12 * Description NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO OC12 (Short Range LED) OD-- 02SOF.E 02SOF.EColloc to Colloc OC12 (Short Range LED) OD-- 02QBF.LL 02QBF.LLColloc to CLEC CO OC12 (Short Range LED) OD-- 02QBF.LL 02SOF.ECLEC CO to Colloc OC12 (Short Range LED) OD-- 02SOF.E 02QBF.LLCLEC CO to CLEC CO OC12 (Short Range Laser) OD-- 02SOF.F 02SOF.FColloc to Colloc OC12 (Short Range Laser) OD-- 02QBF.LL 02QBF.LLColloc to CLEC CO OC12 (Short Range Laser) OD-- 02QBF.LL 02SOF.FCLEC CO to Colloc OC12 (Short Range Laser) OD-- 02SOF.F 02QBF.LLTermination Type – OC12c * Description NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO OC12 – Concatenated (Short Range LED) OD-R 02SOF.E 02SOF.EColloc to Colloc OC12 – Concatenated (Short Range LED) OD-R 02QBF.LL 02QBF.LLColloc to CLEC CO OC12 – Concatenated (Short Range LED) OD-R 02QBF.LL 02SOF.ECLEC CO to Colloc OC12 – Concatenated (Short Range LED) OD-R 02SOF.E 02QBF.LLCLEC CO to CLEC CO OC12 – Concatenated (Short Range Laser) OD-R 02SOF.F 02SOF.FColloc to Colloc OC12 – Concatenated (Short Range Laser) OD-R 02QBF.LL 02QBF.LLColloc to CLEC CO OC12 – Concatenated (Short Range Laser) OD-R 02QBF.LL 02SOF.FCLEC CO to Colloc OC12 – Concatenated (Short Range Laser) OD-R 02SOF.F 02QBF.LL* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Attenuators are ordered using the 11 th position of the NCI codeVerizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 2UNE IOF TRANSPORT – OC3(SPEC FIELD = UNBALL)Termination Type – OC3 * Description NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO OC3 (Short Range LED) OB-- 02SOF.E 02SOF.EColloc to Colloc OC3 (Short Range LED) OB-- 02QBF.LL 02QBF.LLColloc to CLEC CO OC3 (Short Range LED) OB-- 02QBF.LL 02SOF.ECLEC CO to Colloc OC3 (Short Range LED) OB-- 02SOF.E 02QBF.LLCLEC CO to CLEC CO OC3 (Short Range Laser) OB-- 02SOF.F 02SOF.FColloc to Colloc OC3 (Short Range Laser) OB-- 02QBF.LL 02QBF.LLColloc to CLEC CO OC3 (Short Range Laser) OB-- 02QBF.LL 02SOF.FCLEC CO to Colloc OC3 (Short Range Laser) OB-- 02SOF.F 02QBF.LLTermination Type – OC3c * Description NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO OC3 - Concatenated (Short Range LED) OB-R 02SOF.E 02SOF.EColloc to Colloc OC3 - Concatenated (Short Range LED) OB-R 02QBF.LL 02QBF.LLColloc to CLEC CO OC3 - Concatenated (Short Range LED) OB-R 02QBF.LL 02SOF.ECLEC CO to Colloc OC3 - Concatenated (Short Range LED) OB-R 02SOF.E 02QBF.LLCLEC CO to CLEC CO OC3 - Concatenated (Short Range Laser) OB-R 02SOF.F 02SOF.FColloc to Colloc OC3 - Concatenated (Short Range Laser) OB-R 02QBF.LL 02QBF.LLColloc to CLEC CO OC3 - Concatenated (Short Range Laser) OB-R 02QBF.LL 02SOF.FCLEC CO to Colloc OC3 - Concatenated (Short Range Laser) OB-R 02SOF.F 02QBF.LL* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Attenuators are ordered using the 11 th position of the NCI codeVerizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 3UNE IOF TRANSPORT – DS3(SPEC FIELD = UNBALL)Termination Type – DS3 * Line Coding & Framing NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO M32 Framing HF-- 04DS6.44 04DS6.44Colloc to Colloc M32 Framing HF-- 04QB6.33A 04QB6.33AColloc to CLEC CO M32 Framing HF-- 04QB6.33A 04DS6.44CLEC CO to Colloc M32 Framing HF-- 04DS6.44 04QB6.33ACLEC CO to CLEC CO C-Bit Parity (Channelized) HFC- 04DS6.44I 04DS6.44IColloc to Colloc C-Bit Parity (Channelized) HFC- 04QB6.33C 04QB6.33CColloc to CLEC CO C-Bit Parity (Channelized) HFC- 04QB6.33C 04DS6.44ICLEC CO to Colloc C-Bit Parity (Channelized) HFC- 04DS6.44I 04QB6.33CCLEC CO to CLEC CO C-Bit Parity (Unchannelized) HFC- 04DS6.44A 04DS6.44AColloc to Colloc C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04QB6.33BColloc to CLEC CO C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04DS6.44ACLEC CO to Colloc C-Bit Parity (Unchannelized) HFC- 04DS6.44A 04QB6.33B* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

UNE IOF TRANSPORT – DS1(SPEC FIELD = UNBALL)PAGE: 4Termination Type – DS1 * Line Coding & Framing NC Code NCI Code SECNCI CodeCLEC CO to CLEC CO AMI, SF HC-- 04DS9.15 04DS9.15Colloc to Colloc AMI, SF HC-- 04QB9.11 04QB9.11Colloc to CLEC CO AMI, SF HC-- 04QB9.11 04DS9.15CLEC CO to Colloc AMI, SF HC-- 04DS9.15 04QB9.11CLEC CO to CLEC CO AMI, ESF HCD-- 04DS9.1K 04DS9.1KColloc to Colloc AMI, ESF HCD-- 04QB9.11 04QB9.11Colloc to CLEC CO AMI, ESF HCD-- 04QB9.11 04DS9.1KCLEC CO to Colloc AMI, ESF HCD-- 04DS9.1K 04QB9.11CLEC CO to CLEC CO B8ZS, ESF HCE- 04DS9.1S 04DS9.1SColloc to Colloc B8ZS, ESF HCE- 04QB9.11 04QB9.11Colloc to CLEC CO B8ZS, ESF HCE- 04QB9.11 04DS9.1SCLEC CO to Colloc B8ZS, ESF HCE- 04DS9.1S 04QB9.11CLEC CO to CLEC CO B8ZS, SF HCZ- 04DS9.15B 04DS9.15BColloc to Colloc B8ZS, SF HCZ- 04QB9.11 04QB9.11Colloc to CLEC CO B8ZS, SF HCZ- 04QB9.11 04DS9.15BCLEC CO to Colloc B8ZS, SF HCZ- 04DS9.15B 04DS9.15B* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 5UNE LOOPS – DS3(SPEC FIELD = UNBALL)Termination Type – DS3 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to End-user M32 Framing HF-- 04QB6.33A 04DS6.44Colloc to End-user C-Bit Parity (Channelized) HFC- 04QB6.33C 04DS6.44IColloc to End-user C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04DS6.44A* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.UNE LOOPS – DS1(SPEC FIELD = UNBALL)Termination Type – DS1 * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to End-user AMI, SF HC-- 04QB9.11 04DU9.BNColloc to End-user AMI, ESF HCD- 04QB9.11 04DU9.1KNColloc to End-user B8ZS, ESF HCE- 04QB9.11 04DU9.1SNColloc to End-user B8ZS, SF HCZ- 04QB9.11 04DU9.DN* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.UNE DARK FIBER (IOF & LOOP)(SPEC FIELD = UNBALL)Termination Type – DF * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to Colloc (DF-IOF) LX-- 02QBF.LLX 02QBF.LLXColloc to CLEC CO (DF-IOF) LX-- 02QBF.LLX 02FCF.XColloc to End-user (DF-LOOP) LX-- 02QBF.LLX 02FCF.X* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

UNE MUX – HIGH SPEED FACILITY (DS3)(SPEC FIELD = UNBALL)PAGE: 6SR Flavor/Termination Type – DS3 * Line Code & Framing NC Code NCI Code SECNCI CodeMux, High Speed DS3 HF-M 04QB6.33Mux, High Speed DS3 B8ZS Compatible HFZM 04QB6.33* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.UNE MUX – HIGH SPEED FACILITY (DS1)(SPEC FIELD = UNBALL)SR Flavor/Termination Type – DS1 * Line Code & Framing NC Code NCI Code SECNCI CodeMux, High Speed DS1 AMI, SF HC-M 04QB9.11Mux, High Speed DS1 AMI, ESF HCDM 04QB9.11Mux, High Speed DS1 B8ZS, ESF HCEM 04QB9.11Mux, High Speed DS1 B8ZS, SF HCZM 04QB9.11* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.UNE MUX – LOW SPEED CHANNEL (DS1)(SPEC FIELD = UNBALL)SR Flavor/Termination Type – DS1 * Line Coding & Framing NC Code NCI Code SECNCI CodeMux, Low Speed DS1 AMI, SF HC-- 04QB6.33 04QB9.11Mux, Low Speed DS1 AMI, ESF HCD- 04QB6.33 04QB9.11Mux, Low Speed DS1 B8ZS, ESF HCE- 04QB6.33 04QB9.11Mux, Low Speed DS1 B8ZS, SF HCZ- 04QB6.33 04QB9.11* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 7EEL LOOPS – DS3(SPEC FIELD = UNB1OT)Termination Type – DS3 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to End-user M32 Framing HF-- 04QB6.33A 04DS6.44CLEC CO to End-user M32 Framing HF-- 04DS6.44 04DS6.44Colloc to End-user C-Bit Parity (Channelized) HFC- 04QB6.33C 04DS6.44ICLEC CO to End-user C-Bit Parity (Channelized) HFC- 04DS6.44I 04DS6.44IColloc to End-user C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04DS6.44ACLEC CO to End-user C-Bit Parity (Unchannelized) HFC- 04DS6.44A 04DS6.44A* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL LOOPS – DS1(SPEC FIELD = UNB1OT)PAGE: 8Termination Type – DS1 * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to End-user AMI, SF HC-- 04QB9.11 04DU9.BNCLEC CO to End-user AMI, SF HC-- 04DS9.15 04DU9.BNColloc to End-user AMI, ESF HCD- 04QB9.11 04DU9.1KNCLEC CO to End-user AMI, ESF HCD- 04DS9.1K 04DU9.1KNColloc to End-user B8ZS, ESF HCE- 04QB9.11 04DU9.1SNCLEC CO to End-user B8ZS, ESF HCE- 04DS9.1S 04DU9.1SNColloc to End-user B8ZS, SF HCZ- 04QB9.11 04DU9.DNCLEC CO to End-user B8ZS, SF HCZ- 04DS9.15B 04DU9.DN* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 9EEL LOOPS – DS0(SPEC FIELD = UNB1OT)Termination Type – DS0 * Description NC Code NCI Code SECNCI CodeColloc to End-user 56 kbps DDS Loop XH-- 04QC5.OOP 04DU5.56Colloc to End-user 56 kpbs DDS Loop w/Secondary Channel XHB- 04QC5.OOP 04DU5.56SColloc to End-user Switched 56 kpbs DDS Loop XH-E 04QC5.OOP 04DU5.56AColloc to End-user 64 kpbs DDS Loop XD-- 04QC5.OOQ 04DU5.64* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.EEL LOOPS – VOICE GRADE(SPEC FIELD = UNB1OT)Termination Type – VG * Description NC Code NCI Code SECNCI CodeColloc to End-user 2W Ground start Closed end @ end user LY-- 02QC3.OOB 02GS2Colloc to End-user 2W Ground start Open end @ end user LY-- 02QC3.OOC 02GO2Colloc to End-user 2W Loop start Closed end @ end user LY-- 02QC3.OOD 02LS2Colloc to End-user 2W Transmission only – no Signaling LY-- 02QC3.OOF 02NO2Colloc to End-user 2W Reverse Battery-Term @ end user LY-- 02QC2.RVO 02RV2.TColloc to End-user 2W Reverse Battery-Orig. @ end user LY-- 02QC2.RVT 02RV2.OColloc to End-user 4W Duplex Signaling LY-- 04QC2.DXO 04DX2Colloc to End-user 4W Ground Start – Closed end @ end user LY-- 04QC2.OOB 04GS2Colloc to End-user 4W Ground start – Open end @ end user LY-- 04QC2.OOC 04GO2Colloc to End-user 4W Loop Start –Closed end @ end user LY-- 04QC2.OOD 04LS2Colloc to End-user 4W Loop Start – Open end @ end user LY-- 04QC2.OOE 04LO2Colloc to End-user 4W Transmission – No Signaling LY-- 04QC2.OOF 04NO2* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL BACKBONES – DS3& DS1(SPEC FIELD = UNB1OT)PAGE: 10SR Termination Type – DS3 * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to Verizon SWC AMI, SF HF-M 04QB6.33 N/ACLEC CO to Verizon SWC AMI, SF HF-M 04DS6.44 N/AColloc to Verizon SWC B8ZS compatible facility HFZM 04QB6.33 N/ACLEC CO to Verizon SWC B8ZS compatible facility HFZM 04DS6.44 N/ASR Termination Type – DS1 * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to Verizon SWC AMI, SF HC-M 04QB9.11N/A04QB6.33 **CLEC CO to Verizon SWC AMI, SF HC-M 04DS9.15N/A04DS6.44 **Colloc to Verizon SWC AMI, ESF HCDM 04QB9.11N/A04QB6.33 **CLEC CO to Verizon SWC AMI, ESF HCDM 04DS9.1KN/A04DS6.44 **Colloc to Verizon SWC B8ZS, ESF HCEM 04QB9.11N/A04QB6.33 **CLEC CO to Verizon SWC B8ZS, ESF HCEM 04DS9.1SN/A04DS6.44 **Colloc to Verizon SWC B8ZS, SF HCZM 04QB9.11N/A04QB6.33 **CLEC CO to Verizon SWC B8ZS, SF HCZM 04DS9.15BN/A04DS6.44 *** Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.** NCI Code (04QB6.33 & 04DS6.44) required when ordering DS1-level EEL backbone riding a DS3-level EELbackboneVerizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL DS1 M-LOOPS(SPEC FIELD = UNB1OT)PAGE: 11SR Flavor/Termination Type – DS1 * Line Code & Framing NC Code NCI Code SECNCI CodeColloc to End-user AMI, SF HC-- 04QB6.33 04DU9.BNCLEC CO to End-user AMI, SF HC-- 04DS6.44 04DU9.BNColloc to End-user AMI, ESF HCD- 04QB6.33 04DU9.1KNCLEC CO to End-user AMI, ESF HCD- 04DS6.44 04DU9.1KNColloc to End-user B8ZS, ESF HCE- 04QB6.33 04DU9.1SNCLEC CO to End-user B8ZS, ESF HCE- 04DS6.44 04DU9.1SNColloc to End-user B8ZS, SF HCZ- 04QB6.33 04DU9.DNCLEC CO to End-user B8ZS, SF HCZ- 04DS6.44 04DU9.DN* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 12EEL M - LOOPS: DS0(SPEC FIELD = UNB1OT)Termination Type – DS0 * Description NC Code NCI Code SECNCI CodeColloc to End-user 56 kbps DDS Loop XH-- 04QB6.33 04DU5.5604QB9.11CLEC CO to End-user 56 kbps DDS Loop XH-- 04DS6.4404DS9.1504DU5.56Colloc to End-user 56 kpbs DDS Loop w/Secondary Channel XHB- 04QB6.3304QB9.11CLEC CO to End-user 56 kpbs DDS Loop w/Secondary Channel XHB- 04DS6.4404DS9.15Colloc to End-user Switched 56 kpbs DDS Loop XH-E 04QB6.3304QB9.11CLEC CO to End-user Switched 56 kpbs DDS Loop XH-E 04DS6.4404DS9.1504DU5.56S04DU5.56S04DU5.56A04DU5.56AColloc to End-user 64 kpbs DDS Loop XD-- 04QB6.33 04DU5.6404QB9.11CLEC CO to End-user 64 kpbs DDS Loop XD-- 04DS6.44 04DU5.6404DS9.15* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Note: With EEL M-Loops, the NCI code applies to the highest level service of the Backbone.04QB6.33 & 04DS6.44 when an EEL DS3 Backbone is the highest level. 04QB9.11 & 04DS9.15 whenan EEL DS1 Backbone is the highest level.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL M - LOOPS: VOICE GRADE(SPEC FIELD = UNB1OT)PAGE: 13Termination Type – VG * Description NC Code NCI Code SECNCI CodeColloc to End-user 2W Ground start Closed end @ end user LY-- 04QB6.33 02GS204QB9.11CLEC CO to End-user 2W Ground start Closed end @ end user LY-- 04DS6.4404DS9.1502GS2Colloc to End-user 2W Ground start Open end @ end user LY-- 04QB6.3304QB9.11CLEC CO to End-user 2W Ground start Open end @ end user LY-- 04DS6.4404DS9.15Colloc to End-user 2W Transmission only – no Signaling LY-- 04QB6.3304QB9.11CLEC CO to End-user 2W Transmission only – no Signaling LY-- 04DS6.4404DS9.15Colloc to End-user 2W Reverse Battery-Term @ end user LY-- 04QB6.3304QB9.11CLEC CO to End-user 2W Reverse Battery-Term @ end user LY-- 04DS6.4404DS9.1502GO202GO202NO202NO202RV2.T02RV2.T* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Note: With EEL M-Loops, the NCI code applies to the highest level service of the Backbone.04QB6.33 & 04DS6.44 when an EEL DS3 Backbone is the highest level. 04QB9.11 & 04DS9.15 whenan EEL DS1 Backbone is the highest level.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL M-LOOPS: VOICE GRADE(SPEC FIELD = UNB1OT)PAGE: 14Termination Type – VG * Description NC Code NCI Code SECNCI CodeColloc to End-user 2W Reverse Battery-Orig. @ end user LY-- 04QB6.33 02RV2.O04QB9.11CLEC CO to End-user 2W Reverse Battery-Orig. @ end user LY-- 04DS6.4404DS9.1502RV2.OColloc to End-user 4W Duplex Signaling LY-- 04QB6.3304QB9.11CLEC CO to End-user 4W Duplex Signaling LY-- 04DS6.4404DS9.15Colloc to End-user 4W Ground Start – Closed end @ end user LY-- 04QB6.3304QB9.11CLEC CO to End-user 4W Ground Start – Closed end @ end user LY-- 04DS6.4404DS9.15Colloc to End-user 4W Ground start – Open end @ end user LY-- 04QB6.3304QB9.11CLEC CO to End-user 4W Ground start – Open end @ end user LY-- 04DS6.4404DS9.1504DX204DX204GS204GS204GO204GO2* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Note: With EEL M-Loops, the NCI code applies to the highest level service of the Backbone.04QB6.33 & 04DS6.44 when an EEL DS3 Backbone is the highest level. 04QB9.11 & 04DS9.15 whenan EEL DS1 Backbone is the highest level.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

EEL M-LOOPS: VOICE GRADE(SPEC FIELD = UNB1OT)PAGE: 15Termination Type – VG * Description NC Code NCI Code SECNCI CodeColloc to End-user 4W Loop Start –Closed end @ end user LY-- 04QB6.33 04LS204QB9.11CLEC CO to End-user 4W Loop Start –Closed end @ end user LY-- 04DS6.4404DS9.1504LS2Colloc to End-user 4W Loop Start – Open end @ end user LY-- 04QB6.3304QB9.11CLEC CO to End-user 4W Loop Start – Open end @ end user LY-- 04DS6.4404DS9.1504LO204LO2Colloc to End-user 4W Transmission – No Signaling LY- - 04QB6.33 04NO204QB9.11CLEC CO to End-user 4W Transmission – No Signaling LY- - 04DS6.44 04NO204DS9.15* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Note: With EEL M-Loops, the NCI code applies to the highest level service of the Backbone.04QB6.33 & 04DS6.44 when an EEL DS3 Backbone is the highest level. 04QB9.11 & 04DS9.15 whenan EEL DS1 Backbone is the highest level.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

PAGE: 16DEDICATED TRANSIT SERVICE - DTS(SPEC field = UNBALL)Termination Type – DS1 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to Colloc AMI, SF HC-- 04QB9.11 04QB9.11Colloc to Colloc B8ZS, ESF HCE- 04QB9.11 04QB9.11*Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.DEDICATED TRANSIT SERVICE - DTS(SPEC FIELD = UNBALL)Termination Type – DS3 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to Colloc HF-- 04QB6.33 04QB6.33Colloc to Colloc M32 Framing HF-- 04QB6.33A 04QB6.33AColloc to Colloc C-Bit Parity (Channelized) HFC- 04QB6.33C 04QB6.33CColloc to Colloc C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04QB6.33B* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002

UNBUNDLED FEEDER SUBLOOP ELEMENT - UFSE(SPEC field = UNBFSE)PAGE: 17Termination Type – DS1 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to CRTEE AMI, SF HC-- 04QB9.11 04QE9.11Colloc to CRTEE AMI, ESF HCD-- 04QB9.11 04QE9.11Colloc to CRTEE B8ZS, ESF HCE- 04QB9.11 04QE9.1SColloc to CRTEE B8ZS, SF HCZ- 04QB9.11 04QE9.1S*Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.UNBUNDLED FEEDER SUBLOOP ELEMENT - UFSE(SPEC FIELD = UNBFSE)Termination Type – DS3 * Line Coding & Framing NC Code NCI Code SECNCI CodeColloc to CRTEE M32 Framing HF-- 04QB6.33A 04QE6.33Colloc to CRTEE C-Bit Parity (Channelized) HFC- 04QB6.33C 04QE6.33IColloc to CRTEE C-Bit Parity (Unchannelized) HFC- 04QB6.33B 04QE6.33A* Termination type refers to entries in ACTL field (A-End) and SECLOC field (Z-End) as populated on ASR.Verizon proprietary - subject to the restrictions on the notices page.Release Date: August, 2002