https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478698#M41 Management Module - Will allow you to connect via a console cable to check stats/ port configs etc. It will not work with other management software. <BR />FX-ST / FX-SC - Will allow you to uplink to another segment using Fiber (SC Connector) ot (ST Connector) without creating a Repeater Hop. Mon, 29 Jan 2001 00:00:00 GMT Ayman Altounji 2001-01-29T00:00:00Z https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478697#M40 What do the modules (management module, swtich module, FX-ST or FX-SC Switch module, etc) specifically do for the 3321 hub/switch? What are the better management software that work with this hub/switch? Thu, 04 Jan 2001 00:00:00 GMT https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478697#M40 Ayman Altounji 2001-01-04T00:00:00Z https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478698#M41 Management Module - Will allow you to connect via a console cable to check stats/ port configs etc. It will not work with other management software. <BR />FX-ST / FX-SC - Will allow you to uplink to another segment using Fiber (SC Connector) ot (ST Connector) without creating a Repeater Hop. Mon, 29 Jan 2001 00:00:00 GMT https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478698#M41 Ayman Altounji 2001-01-29T00:00:00Z https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478699#M42 You are correct, that the FX-ST and FX-SC modules allow for the type of fiber cable connector that is used with the hub. See the information for the 3320 modes at these web addresses.<BR /><BR /><A href="http://www5.compaq.com/products/networking/hubs/hb3320/hb332x-qs.html" target="_blank">http://www5.compaq.com/products/networking/hubs/hb3320/hb332x-qs.html</A><BR /><A href="http://www5.compaq.com/support/techpubs/user_reference_guides/349711-021.html" target="_blank">http://www5.compaq.com/support/techpubs/user_reference_guides/349711-021.html</A> Sun, 04 Feb 2001 00:00:00 GMT https://community.hpe.com/t5/communications-and-wireless/management-software/m-p/2478699#M42 Ayman Altounji 2001-02-04T00:00:00Z