Note
5520 Series is a universal hardware product that supports more than one Network Operating System (NOS) personality. For information about NOS personalities, see VOSS User Guide.
Part number |
Model |
Initial release |
Supported new feature release |
|
---|---|---|---|---|
8.2.5 |
8.3 |
|||
5520-24T | 5520-24T switch |
8.2.5 |
Y |
Y |
5520-24W | 5520-24W switch |
8.2.5 |
Y |
Y |
5520-48T | 5520-48T switch |
8.2.5 |
Y |
Y |
5520-48W | 5520-48W switch |
8.2.5 |
Y |
Y |
5520-12MW-36W | 5520-12MW-36W switch |
8.2.5 |
Y |
Y |
5520-24X | 5520-24X switch |
8.2.5 |
Y |
Y |
5520-48SE | 5520-48SE |
8.2.5 |
Y |
Y |
Note
Ensure the switch runs, at a minimum, the noted initial software release before you install a VIM.
Part number |
Model |
Initial release |
Supported new feature release |
|
---|---|---|---|---|
8.2.5 |
8.3 |
|||
5520-VIM-4X | 5520-VIM-4X |
8.2.5 |
Y |
Y |
5520-VIM-4XE | 5520-VIM-4XE |
8.2.5 |
Y |
Y |
5520-VIM-4YE | 5520-VIM-4YE |
8.2.5 |
Y |
Y |
The following table summarizes the operational capabilities of the various VIMs:
5520-VIM-4X | 5520-VIM-4XE | 5520-VIM-4YE | |
---|---|---|---|
Operational speeds |
1Gbps & 10Gbps |
1Gbps & 10Gbps |
10Gbps & 25Gbps |
PHY present |
No |
Yes |
Yes |
1000BASE-T & 10GBASE-T |
10GBASE-T only |
Both |
10GBASE-T only |
Mixed speeds |
1Gbps & 10Gbps |
1Gbps & 10Gbps |
Mixed speeds not supported |
1G Auto-negotiation |
Disabled |
Disabled |
Disabled |
10G Auto-negotiation |
Disabled |
Disabled |
Disabled |
25G Auto-negotiation |
Enabled for DAC Disabled for Fiber |
||
FEC |
Not supported |
Not supported |
Auto-FEC enabled for DAC and Fiber |
MACsec |
Not supported |
128/256 bit |
128/256 bit |
The IEEE 802.3by requirement for 25 Gb is that any transceiver or DAC 3 meters or longer, requires the use of forward error correction (FEC).
If you use an unsupported 25 Gb transceiver, you might experience CRC or link flap errors.