T320 T Series Control Board (T-CB) Description

• 100-MB Ethernet switch for intermodule communication.
• PCI bus to the Routing Engines.
• Switch processor mezzanine board (SPMB).

Figure 1: T320 T-Series Control Board (t-cb)

• Three LEDs, located on the control board faceplate, indicate its status.T320 Standard Control Board and T-CB LEDs describes the functions of the control board LEDs.
• The control board online/offline button. 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 . These ports are not used in a T320 router.