T320 T Series Control Boards (T-CBs) Components and LEDs
Each consists of the following components:
- 100-MB Ethernet switch for intermodule communication.
- PCI bus to the Routing Engines.
- Processor subsystem (SPMB).
- Three LEDs, located on the T-CB faceplate, indicate its status. Table 1 describes the functions of the T-CB LEDs.
- The T-CB online/offline button, located on the its faceplate. This button is not functional.
- Two configuration switches, located on the T-CB faceplate. On the T320 router, the M/S and CHASSIS ID switches must always be set to S and O.
- Two RJ-45 ports labeled AUX and CIP on the CB faceplate. These ports are not used in a T320 router.
Table 1: T320 T-CB LEDs
Label | Color | State | Description |
|---|---|---|---|
MASTER | Blue | On steadily | T-CB is functioning as the master. |
FAIL | Yellow | On steadily | T-CB has failed. |
OK | Green | On steadily | T-CB is online and is functioning normally. |
Blinking | T-CB is powering up, but not online. |
