Samsung OfficeServ 7200 System Description page 28

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About the Managed LIM
The managed LIM is controlled by the WIM board and provides extended
functions related to the layer2 QoS management such as 802.1p (Packet
Preference), 802.1q (VLAN), IGMP Snooping in addition to the layer 2 switch
function. If mounting LIM or PLIM to the slot 2 in the status that WIM is mounted
in the slot 1, the Managed LIM function is operated.
Blank Board Function
The blank board is a dummy board to protect the system from other objects when
the board is not mounted in the universal slot like a screen board.
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