HS-9000 NE Access Gateway with SA-8000 Serial Access Gateway To address the legacy serial network access needs, Holly Street has the SA-8000 which provides a serial to IP interface. Connecting the serial only network elements to the SA- 8000 allows the remote technician to access that network element through the HS-9000 at all locations. Test Center/NOC This is where overall network responsibility resides. Typically local technicians are responsible for local maintenance and provisioning process. After hours support tend to be forwarded to a test center at many companies. Regional Access This is a center location where the field technicians are managed and dispatched. Site 1 - Site x There are remote offices anywhere from 10 minutes to a three-four drive away. HS-9000 with SA-8000 Network Overview HS - 251004a Drawing Title: Ref Dwg Number: This document contains proprietary information and shall not be duplicated or disclosed without the written permission of Holly Street Communications, Inc. By accepting this document the recipient agrees to make every effort to prevent unauthorized use of this information. Page of 4 Holly Street Communications, Inc. 5177 San Jose Drive Pleasanton, California 94566 www.hollystreetcomm.net Site 1 Site 2 Site x Remote Field Technician Access through IP, VPN, SecureID, Dialin... HS-9000 NE Access Gateway Test Center / NOC Site 3 Local Access SA-8000 Regional Access HS-9000 HS-1016 Ethernet Switch Remote User SA-8004 Serial Access Gateway IP Network Elements Sonet Terminal T1 / Ethernet Media converter / Router Corporate LAN CO-LAN Desktop PC Ethernet Ethernet Serial Network Elements Separate LAN’s at Remote Location Typically there will be a separation between the Corporate IP network and the CO Network Element IP network. This separation protects the Corporate IP network from potential problems located on the CO-LAN side. National Access