Note that while the board has seven RJ45 ports and two SFP cages, I believe you can only actually use seven network cables at a time since the 10 Gb WAN and LAN interfaces each let you use either ...

Here’s the far-right end: Top-to-bottom along the right edge, again, are the recessed reset switch, the mysterious “maintenance port”, an audio line-out jack, two RJ45 Gigabit Ethernet ports, ...