Cisco UBR10012 Hardware Installation Guide - Page 46
SIP and SPA Compatibility, Timing, Communication, and Control Plus Card
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Cisco uBR10012 Universal Broadband Router Modules Chapter 1 Cisco uBR10012 Universal Broadband Router Overview SIP and SPA Compatibility The Cisco uBR10012 router currently supports the following SIPs: • Cisco Wideband SIP for the Cisco Wideband SPA • Cisco 10000 Series SPA Interface Processor-600 The Cisco Wideband SIP can support up to two Cisco Wideband SPAs. The Cisco uBR10012 router can support up to six SPAs. For more information about the introduction of support for different SIPs and SPAs, refer to the Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration Guide at the following location: http://www.cisco.com/en/US/docs/interfaces_modules/shared_port_adapters/configuration/ubr10012/1 2.3_23_bc/sipsp_d3.html Timing, Communication, and Control Plus Card On the Cisco uBR10012 router, the Timing, Communication, and Control Plus (TCC+) card acts as a secondary processor that performs the following functions: • Generates and distributes 10.24 MHz clock references to each of the cable interface line cards. • Generates and distributes 32-bit time-stamp references to each of the cable interface line cards. • Allows software to power off independently any or all of the cable interface line cards. • Drives the LCD module used to display system configuration and status information. • Monitors the supply power used by the chassis. • Provides two redundant RJ-45 ports for external timing clock reference inputs such as a Global Positioning System (GPS) or building integrated timing supplies (BITS) clock. When two TCC+ cards are installed, they are configured as active and backup (redundant). If the TCC+ card in the first slot is working at system power-up, it automatically becomes the active card and the TCC+ card in the second slot becomes the backup card. The TCC+ cards monitor each other's priority information so that if the active card fails, the active card role is transferred to the redundant backup card without lose of data. Figure 1-13 shows the faceplate of the TCC+ card. The handle provides for the insertion and removal of the card from the chassis. Caution Do not attempt to lift the chassis using one of these handles. 1-24 Cisco uBR10012 Universal Broadband Router Hardware Installation Guide OL-18259-09