T640 LCC-CB Description

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

Figure 1 shows the LCC-CB.

Figure 1: LCC-CB

• Three LEDs labeled MASTER, FAIL, and OK indicate its status.
• The online/offline button.
• Two configuration switches—M/S and CHASSIS ID—that must be set to S and 0 for standalone T640 routers.
• RJ-45 ports labeled SFC0 through SFC5, which are not currently supported on the T640 router. Two LEDs for each port—labeled LINK and ACT— are also not supported.
• One JCS port, which is not supported on the T640 router. The LINK LED indicates the status of the port.