What is the work of vmux in mlln?
VMUX is a small capacity cross connect device and is installed
at different sites for providing user connectivity. VMUX is
made up of Basic Node, which is the building block of the MLLN
system. It is provided with different types of interfaces to
connect STU-160 and CTU-S modems. The number of interfaces
depends upon the type of VMUX configuration supplied.
The different types of VMUXs are shown in the table below.