T640 T Series Control Boards (T-CBs) LEDs
Three LEDs, located on the T-CB faceplate, indicate the status of the T-CB. Table 1 describes the functions of the T-CB LEDs.
Table 1: T-CB LEDs
Label | Color | State | Description |
---|---|---|---|
| Blue | On steadily | T-CB is functioning as the master. |
| Yellow | On steadily | T-CB has failed. |
| Green | On steadily | T-CB is online and is functioning normally. |
Blinking | T-CB is powering up, but not online. |