| Number | Item | Description |
|---|---|---|
| 1 | STATUS LED | Green: Front-end module is in the power-on state. Red: Front-end module can be removed safely. |
| 2 | PORT LED | Red: Small form-factor (SFF) pluggable can be removed. Blue: Normal link status. Blink blue: Front-end module is in communication status. |
| 3 | iSCSI connectors | Connect to Ethernet cables. |
The following table lists the 10-Gbps and 25-Gbps iSCSI (optical) port assignments.
| CHB number | Port 1 | Port 2 |
|---|---|---|
| CHB-1A | 1A | 3A |
| CHB-1B | 1B | 3B |
| CHB-1C | 1C | 3C |
| CHB-2A | 2A | 4A |
| CHB-2B | 2B | 4B |
| CHB-2C | 2C | 4C |