Specifications

Mobile Data Gateway
iDEN® System
August 08, 2000 68P81095E55-E 2-15
Mobile Data Gateway
The Mobile Data Gateway (MDG) is the interface to the Internet and the World Wide
Web for the iDEN system during Packet Data operation.
Physical Components
The MDG is a Enterprise level switching router. This device is rack mounted and
has direct connections to the Internet. The number of ports available will vary
according to the provisioning and growth planning of the individual iDEN system.
Functional Characteristics
The MDG isolates the iDEN system for other devices on the Internet. The MDG is
programmed and managed as a discreet unit. The Operations and Maintenance
Center has no direct control over this device. The MDG has three major functions
during Packet Data operation:
• Gateway
• Home Agent
• Foreign Agent
The MDG supports 15,000 users. Software Release 9.1 includes a new MDG
platform that supports 65,000 users. Earlier versions of the MDG are not supported
by SR 9.1.
Figure 2-8 Mobile Data Gateway
Gateway The MDG is a logical point-of-presence for the iDEN system on the Internet. This
universally addressable device provides secure networking routing, switching and
network masking functions. These functions are individually unique and are tailored
to specific applications and installations