Chapter 1 Introduction MBE Family Installation and Operation Manual
1-4 Physical Description
configuration. If traffic exceeds the defined threshold, the second ISDN line will be
connected.
Dual Image Flash Memory
Two different versions of software may be saved in two different partitions. At
reset, MBE automatically runs the software stored in the primary partition. New
software versions are stored in the secondary partition. If the software download is
successful, the secondary partition becomes primary, and MBE resets,
automatically running the new software version. If the download is not successful,
the previous software version will continue to run.
1.2 Physical Description MBE is a standalone unit. Figure 1-1 shows the 3-D view of an MBE product.
Figure 1-1. MBE Product 3-D View
Front Panel
The front panel includes LEDs indicating operational and traffic status, a Control
interface for connection to a management terminal, and a Reset button for
resetting the device (see Chapter 3, Operation).
Rear Panel
The rear panel contains a socket for connection to a 100–240 V, 50/60 Hz power
source. It also includes LINK interfaces for connecting MBE to a communication
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