E2122 controller hardware is a campus controller that supports two thousand standalone devices, sixteen thousand users, and four hundred switches. It provides availability for up to four thousand devices, thirty two thousand users, and eight hundred switches, with any client distribution between controllers.
| Callout | Description |
|---|---|
| 1 | Power supply module #1 |
| 2 | Power supply module #2 bay for redundant power supply (ordered separately) |
| 3 | Port 1 (Data Port 1) 1/10GbE, RJ45 |
| 4 | Port 2 (Data Port 2) 1/10GbE, RJ45 |
| 5 | VGA port (do not use) |
| 6 | RJ45 serial-A port |
| 7 | Admin, management port; 1GbE, RJ45 |
| 8 | USB 2.0 or 3.0 ports |
| 9 | Not used |
| 10 | Port 3 (Data Port 3) 1/10 Gbps, SFP+ |
| 11 | Port 4 (Data Port 4) 1/10 Gbps, SFP+ |
The hard drive has one LED indicator visible from the front of the system - a green LED for disk activity.