Ameritech Network Services 23500 Northwestern Hwy. Room A-250 Southfield, Michigan 48075 Office: 810-424-2500 Craig M. Granger Area Manager Distributed Security Secured Fax: 810-424-2550 January 12, 1994 In an effort to meet one of Mr. Eibel's main objectives, elimination of all direct dial access to all Network Elements, we need your assistance in identifying all of the network elements. Attached you will find a letter addressed to the field personnel. Included in this package are Network Element Security Form Instructions, 2 examples (one has two pages) of filled out forms and blank forms. (these can be duplicated for field use) Please have your field personnel fill out and return this information by January 28, 1994. This information will be used to develop a database, which requires as much accuracy as possible from the field. If you have any questions, require assistance or need more information, please contact me immediately. Thank you in advance for your cooperation. Craig Attachments ~~~~~~~~~~~ To: Central Office Personnel From: Network Element Security Team Ameritech has embarked on a program to secure all network elements by the end of 1995. Part of this process ins securing all dial-up ports connected to every Network Element in the region. In order to accelerate this process, a high performance team has been assembled to address and secure the top 100 Central Offices in the region by June 1, 1994. In order to accomplish this task we need your assistance in identifying all network elements in your area. Please provide us with an inventory using the attached form. Complete instructions and a sample form have been included. We need your completed forms returned no later than January 28, 1994. Please return your forms to: Distributed Security 23500 Northwestern Hwy. Room A-250 Southfield, Michigan 48075 Thank you for your help, Network Element Security Team ------------------------------------------------------------------------------- AMERITECH NETWORK SWITCHING ELEMENT DIAL ACCESS INVENTORY FORM CLLI: GNBYWI11CG0 Office Type: 1E (E.G. DMS 100, 5E) Street Address: 703 S. Ridge Rd. City: Green Bay State: WI SCC Name: Fox Valley SCC SCC TN: 735-3475 Office Manager: Mark Schweiger TN: 497-0020 Form Filled out by: Gerald Wiedemeier TN: 497-0022 Dial Access Location Telephone Circuit Baud (toll,switch Purpose of circuit Number ID Rate (power,frame) (E.G. remote maintance) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 414 81N00Z414 494-3286 4943286 Switch AMA Host 414 81N00Z414 Switch AMA Maint 494-2439 4942439 414 81N00Z414 Switch AMA Host 494-2668 4942668 414 81N00Z414 Switch AMA Maint 494-0394 4940394 414 432-0043 8F0 801-209 Switch ESS DIAL UP