3Com LinkBuilder MSH User Manual page 61

Simple Bridge Configuration 2-15
The Service Selection screen appears, listing all the services within
the LinkBuilder MSH Chassis with the number of the slot or
backplane to which it is attached, as shown in Figure 2-6.
Highlight 4 PORT .3 BRIDGE, press [Space] and select OK to select
the LinkBuilder MSH 4 Port Ethernet Bridge Module.
Figure 2-6 LinkBuilder MSH Service Selection
If the 4 Port Ethernet Bridge Module does not appear, either the
module is self-testing, has been incorrectly installed, or the MSH
management agent software is not version 2.1 or later.
DUA1860-0AAA01