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Multi-Switch Considerations for JADConfig


Multi-Switch Models

If the Right Switch for the installation requires multiple switches, then one of these switch models should chosen:

Switch Model Ports On Max Devices PoE Ports Trunk or Stack Inter-Switch Bandwidth Max Stack Units
Cisco SG550X Front 376 376 Stack 10Gb 8

Stack vs Trunk

JADConfig only supports multi-switch systems in Stack topology.

Please see the Stacking vs Trunking article for more information.


Bandwidth Considerations

When multiple switches are used, the video bandwidth usage for Transmitters needs to be considered as the cables that connect switches have a maximum bandwidth capability that is much lower than a single switch.

To estimate Just Add Power Transmitter bandwidth usage:

Generation Average Bandwidth* Recommended TX per Gb
2G 125Mbps 8
2GΩ/3G 400Mbps 2.5
3G 500Mbps 2

*Actual bandwidth will depend on source resolution, framerate, colorspace and content. The peak bandwidth output of a 3G Transmitter is 850Mbps, most often during boot-up and switching.


SFP/SFP+ Cables

Connecting multiple switches together requires specialized cable, and cannot be carried over typical CatX wiring.

Most SFP cables are compatible, regardless of the manufacturer.

You can find SFP modules on Luxul's website and SFP modules on Cisco's website or you can use 3rd-party modules.

All Cisco SFP cables that work with the Cisco SG500 are also compatible with the Cisco SG550X.

**Just Add Power has experienced fiber modules passing 5Gb bandwidth between SG500 switches on Cisco firmware 1.3.7.18 and later. However, Cisco's documentation has yet to support this claim.**


Discontinued Switches

The switches listed below are still supported by Just Add Power and JADConfig but are no longer in production by the manufacturer

Discontinued Model Maximum Devices Replacement Model
Cisco SG500 and SG500X 47 * 8 Cisco SG550X
Luxul AMS-4424P 23 * 16 Cisco SG550X
Luxul XMS-7048P 47 * 16 Cisco SG550X
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  • 29-Nov-2021
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