Loms - Huawei FusionServer Pro CH242 V5 Technical White Paper

Huawei FusionServer Pro CH242 V5 Compute Node
Technical White Paper

5.5.1 LOMs

The LOM is a network interface module (X722) integrated in the PCH. It can be
connected to an I/O module (switch module). The LOM provides two 10GE
network ports for connecting to the Base network ports of the switch modules in
slots 2X and 3X. The LOM supports Wake on LAN (WOL) and PXE functions.
Figure 5-15 Connections between the LOM and I/O modules
Table 5-9 I/O modules supported by the LOM
I/O Module
CX916
CX916L
CX920
Issue 07 (2020-07-31)
NO TE
● In addition to the LOM, the compute node connects to the Fabric ports of the switch
modules through the network ports on mezzanine cards.
● Powering off the compute node forcibly will make the WOL function of the LOM ports
invalid.
● If flow control is enabled for a LOM port, the switch module connected to the LOM port
must also have flow control enabled.
I/O Module
Slot
2X/3X
1E/4E
2X/3X
1E/4E
2X/3X
Copyright © Huawei Technologies Co., Ltd.
LOM Remarks
√ -
× The LOM cannot communicate
with the I/O modules in slots
1E and 4E.
√ -
× The LOM cannot communicate
with the I/O modules in slots
1E and 4E.
√ -
5 Hardware Description
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