Iom - Hillstone SG-6000 X Series Reference Manual

For SG-6000-X9180 and SG-6000-X10800, when there is no QSM installed,
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you can install the IOM/SIOM to process QoS (make sure that the device
has installed iQoS license). In this case, the QoS doesn't support other traffic
control modes but the policing mode.
For SG-6000-X7180, SG-6000-X8180, SG-6000-X9180 and SG-6000-
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X10800, when the device is installed with both QSM and IOM, QSM will
take effect first for QoS.

IOM

I/O Module (IOM) is a hardware platform card with ports which provides following functions:
Receive data
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Fast forward data
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Transfer data to SSM, QSM or SWM (only SG-6000-X10800 and SG-6000-X9180 support
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the SWM module) modules
You must install at least one IOM and can install more to increase port amount. IOM should be
installed in general expansion slots, but the IOM-2Q8SFP+ and IOM-8SFP+ module cannot be
installed in the Slot7 expansion slot.
IOM Description is shown as below:
Model
IOM-P100-300
IOM-P40-300
Chapter 1 Product Profile
Type
4 QSFP28 ports
(100GE)
8 SFP+ ports (10GE)
2 QSFP+ ports
(40GE)
12 SFP+ ports
Product
SG-6000-X10800
SG-6000-X9180
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