Yes, the ELA-100 does, meaning it supports IEEE 802.3 af/at specifications, thus passing from unprotected port to protected port.
The GSW-1602SF and GSW-2404SF (Version 1, 2 and 3) do not support Spanning Tree over Link Aggregation function.
No, it doesn’t support 62.5/125µm type cable; please use 50/125µm OM3 cable.
Yes, it does.
You are able to change the IP address of management port via CLI command. The commands follow below: