Secure Internal IP Access (From remote CO Location) HS-9000 Dial-up Access HS - 072803d HS-1016 Ethernet Hub 16-Port, -48 Vdc User SA-700 Modem Serial (RS-232) Connection) Ethernet Connection SA-700 Modem There are two methods to access remote network elements through the HS-9000 Analog Dial-up Allows a connection through a remote SA-8000 into serial or IP based network elements. Ethernet Connection When there is an IP/Ethernet connection between the various locations, the HS-9000 can connect directly to the network element or can be routed through an SA-8000 or an HS-9000. Direct Connection to Network Element Many times, there are only a couple of network elements at a remote location. In cases like this, it is more economical to connect directly to that network element, through an Ethernet connection or through a dial-up connection. Remote HS-9000 Remote SA-8000 Remote Network Element Serial (RS-232) Connection) Serial (RS-232) Connection) Ethernet Connection Internal IP Cloud Public Dial-up Cloud Analog Dial-up Connection Analog Dial-up Connection HS-9000 Access Gateway Internal IP Cloud Internal IP Cloud Ethernet Connection 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 1 Holly Street Communications, Inc. 5177 San Jose Drive Pleasanton, California 94566 www.hollystreetcomm.net 1