@Eng_khan LC-LC patch cord, see the SFP module picture, there is only one LC port. TL-SM321A supports WDM so only requires one fiber.

@PanamaPat Believe it or not, I think they are the same thing. I asked tplink agents about router's hardware version before. They said basically it means different manufactories. V1.0 could be made...

@Ades I feel like it is related to the channels. Disable SSID broadcasting should not break the existing connection. On STATUS page->In the Wireless Settings section, you will be able to see the...

@EricPerl Some people shared the experience before, but not sure why I cannot open that page anymore. Related post About your configuration, what I suggest is to try enable the router DHCP(on the...

@Eng_khan You can use TL-SM321A and TLSM321B in a pair. The fiber/cord type depends on the SFP module. For example TL-SM321A/B use Single-Mode Fiber, LC Simplex

@S-K I did not test but I think you can try set up 2210MP switch B uplink port as Mirroring port(to mirror to virtual machine) , and on switch A downlink port set up as Mirrored port(and use another...