© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Everything Copper Wing Eng Principal Product Development Engineer AT&T Common Systems 2600 Camino Ramon San Ramon, CA (925)

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Product Responsibilities DSX-1, DSX-3 Panels and Bays DS1 & DS3 Patch Cords and Cross Connect Cords DS1 & DS3 Connectors DS1 & DS3 Tools DSL Frame wires Ethernet (CAT5 and CAT6) Cables and Connectorized Assemblies BITS Timing Cables and Connectorized Assemblies 2

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Today’s Presentation Ethernet Cable Color and Ethernet Distribution Frame Exceptions –ATT-NOTICE Migration from ADC’s DSX-1 (D1M series) to ADC’s DSX-1 (DSXi series) Products –ATT-TELCO-NOTICE –ATT-TELCO-PAN-COMMONSYSTEMS Upcoming BNC Coaxial Connector RFQ 3

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Ethernet Cable Color and Ethernet Distribution Frame Exceptions ATT-NOTICE , Issue 1, Ethernet cables will normally be manufactured and deployed with gray-colored outer jackets and Ethernet circuits will normally be cabled to an intermediate Ethernet Distribution Frame. This document details exceptions to the use of gray- colored outer jackets and Ethernet Distribution Frames. The following exceptions to deployment of 1.Gray-Only-Outer Jackets of Ethernet Cable 2.Deployment of Ethernet Circuits involving an Ethernet Distribution Frame are: 4

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Ethernet Cable Color and Ethernet Distribution Frame Exceptions ATT-NOTICE , Issue 1, Gray-Only-Outer Jackets of Ethernet Cable a.Mobility – Outer cable jackets of Ethernet cables will be Green for Console/Network Elements, Red for OAM Management and Blue for Traffic b.IPTV (VHO) – Outer cable jackets of Ethernet cables will be Blue for Video and Gray for Out of Band/Network Management 2.Deployment of Ethernet Circuits involving an Ethernet Distribution Frame a.VOIP – No Ethernet Distribution Frame required / Circuits direct cabled between Network Elements 5

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Migration from ADC’s DSX-1 (D1M Series) to ADC’s DSX-1 (DSXi Series) Products ATT-TELCO-NOTICE (Issue 4, 02/15/11) ATT-TELCO-PAN-COMMONSYSTEMS (Issue 5, 04/08/11) 6

© 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Upcoming BNC Coaxial Connector RFQ This upcoming BNC Coaxial Connector RFQ will consider brand- name connectors as well as “clones” of brand-name connectors. We do not anticipate any changes in tooling used by OTV’s to crimp their regional connectors. 7