They both offer 56V DC PoE power output.
The ELA-100 Ethernet Lightning Arrest Box is an ideal solution to preventing damage (like voltage surge) to Ethernet devices from lightning strikes. It also provides 20 KA lightning surge protection.

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:
