An HPE 5940 2-slot switch provides two interface module slots. An HPE 5940 4-slot switch provides four interface module slots. Select interface modules for the switch as required.
Table 15: Interface modules available for the HPE 5940 2-slot/HPE 5940 4-slot switches
Product code | HPE description | Alias | Interface number and type | Transceiver modules available for the ports |
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JH183A | HPE 5930 8-port QSFP+ Module | LSWM18QC | 8 × QSFP+ port | For the transceiver modules and cables available for the SFP+ ports, see "SFP+ port". For the transceiver modules and cables available for the QSFP+ ports, see "QSFP+ port". For the transceiver modules and cables available for the QSFP28 ports, see "QSFP28 port".
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JH182A | HPE 5930 24-port 10GBase-T and 2-port QSFP+ with MacSec Module | LSWM124XGT2Q | 24 × 10-GE copper port 2 × QSFP+ port
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JH181A | HPE 5930 24-port SFP+ and 2-port QSFP+ with MacSec Module | LSWM124XG2Q | 24 × SFP+ port 2 × QSFP+ port
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JH180A | HPE 5930 24-port SFP+ and 2-port QSFP+ Module | LSWM124XG2QL | | |
JH184A | HPE 5930 24-port Converged Port and 2-port QSFP+ Module | LSWM124XG2QFC | | |
JH409A | HPE 5940 2-port QSFP+ and 2-port QSFP28 Module | LSWM12H2Q | 2 × QSFP+ port 2 × QSFP28 port
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| IMPORTANT: On an HPE 5940 4-slot switch (JH398A), the 40-GE QSFP+ ports on the LSWM124XGT2Q (JH182A), LSWM124XG2Q (JH181A), LSWM124XG2QL (JH180A), and LSWM124XG2QFC (JH184A) interface modules cannot be split into four 10-GE SFP+ ports. The two highest-numbered 40-GE QSFP+ ports (ports 7 and 8) on an LSWM18QC (JH183A) interface module cannot be split into four 10-GE SFP+ ports. The LSWM12H2Q interface module (JH409A) can only be installed in the two interface module slots on an HPE 5940 2-slot switch (JH397A) and in interface module slots 1 and 2 on an HPE 5940 4-slot switch (JH398A). On an HPE 5940 2-slot switch, an interface module slot supports hot swapping of LSWM12H2Q interface modules only if it starts up with an LSWM12H2Q interface module installed. On an HPE 5940 4-slot switch, both interface module slots 1 and 2 support hot swapping of LSWM12H2Q interface modules if one of them starts up with an LSWM12H2Q interface module installed. If both the slots start up empty, neither of them supports hot swapping of LSWM12H2Q interface modules. You can install the LSWM12H2Q and non-LSWM12H2Q interface modules on the same HPE 5940 2-slot switch. If an interface module slot starts up with an LSWM12H2Q interface module installed, you can hot-swap only LSWM12H2Q interface modules in the slot. If an interface module slot starts up empty or with a non-LSWM12H2Q interface module installed, you can hot-swap only non-LSWM12H2Q interface modules in the slot. If you change the interface module type in a slot, you need to reboot the switch for the interface module to operate correctly. You must install the same type of interface modules either LSWM12H2Q or non-LSWM12H2Q in interface module slots 1 and slot 2 on the same HPE 5940 4-slot switch. If one or both of the interface module slots start up with an LSWM12H2Q interface card installed, you can hot-swap only LSWM12H2Q interface modules in the two slots. If both interface module slots start up empty, or one or both of the interface module slots start up with a non-LSWM12H2Q interface module installed, you can hot-swap only non-LSWM12H2Q interface modules in the two slots.
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For more information about the interface modules, see the user manuals for the interface modules.
![[IMPORTANT: ]](images/important.png)