16SFP-100, IOM-16SFP-80, IOM-16SFP, IOM-4XFP-100, IOM-4XFP-80, IOM-4XFP,
IOM-2Q8SFP+-200, IOM-2Q8SFP+, and IOM-8SFP+.
l Service and IO Module (SIOM): SIOM is used to process data traffic while providing QSFP+
and SFP+ ports for port expansion.
Hillstone provides the following 6 SIOM models: SIOM-P100-260, SIOM-P100H-260,
SIOM-P100D-300, SIOM-P100-300, and SIOM-P40-300.
l Switch Module (SWM): SWM connects the expansion slots of the front panel to forward the
data. Only SG-6000-X10800, and SG-6000-X9180 support SWM modules.
Hillstone provides the following 3 SWM models: SWM-300, and SWM-280.
l Bypass module: The bypass module can bypass the device.
Hillstone provides the following 5 Bypass modules: IOM-2SM-B, IOM-2SM-BE, IOM-2MM-
B, IOM-2MM-BE, and IOM-B-8MM-260.
For more information about supported versions of devices, see Appendix: Supported Versions of
Devices
Expansion Module Introduction
System Control Module (SCM)
System Control Module (SCM) is a hardware platform card that uses a dedicated 64-bit multi-core
processor and runs StoneOS, providing overall system management and control for the entire
product.
The device must have at least one SCM installed. You can install a second SCM for redundancy.
SCM can only be installed in the SCM slots of the back panel.
HA Function with Two SCMs
If the device has two SCMs installed, by default, the one installed in the SC0 slot is the master
SCM and works in the Master mode. The SCM installed in the SCM1 slot is the backup SCM and
works in the Backup mode. If the device has only one SCM installed, it works as the master SCM.
Preface 3
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