
and the set of hosts with which it will communicate be a separate LAN segment. Customers who do not follow this recommendation are subject to an unscrupulous person gaining access to the DEFINITY LAN Gateway application in order to commit toll fraud and/or tamper with the
Two of the serial cables attached to the TN801 can be used for local and remote administration as well as maintenance support.These are RS232 ports that allow connectivity to a dumb terminal or to terminal emulation software on a PC. The serial cable (labeled DCIU in Figure
The first serial cable attached to the TN801 (labeled Maint/Port A in Figure
Administrative Console Connectivity for MAPD
The MAPD is provided with two serial ports (labeled Maint/Port A and Admin Port B in MAPD Figure
For customers who do not wish to have an additional, physical, permanent console, it is recommended that the MAPD be initially administered using a temporary terminal, PC, or laptop. Once the LAN administration is completed, telnet may be used from any host attached to the isolated segment (such as the MAPD client). This allows further (and ongoing) administrative access without the need for a permanent console terminal. The overall connectivity scheme is depicted in Figure