@Fae I was advised by a qualified engineer that I needed to buy the part I mentioned. The problem is that only one place in the entire world seems to stock it. Can you answer the question I asked...

Hi, I recently purchased this switch: TP-LINK T2700G-28TQ JetStream 28-Port Gigabit Stackable L2+ Managed Switch Not being an expert on ths subject, I only found out afterwards that in order to get...