What are the necessary components for the Multipoint Broadband Wireless System?
A. Headend (HE): • Cisco uBR7223/7246/7246VXR Universal Broadband router • WT-2751 Multipoint Headend Line Card – up to four for each HE; supports up to 1024 simultaneous users • WT-2781 Multipoint Quad Power Feed Panel – one for up to two line cards • Power supply (-48VDC) • HE transverter (outdoor unit (ODU)) – one or two for each line card, depending upon whether diversity is employed • HE duplexer – one for each ODU Note: The orientation of the installed duplexer determines transmit (TX) high or receive (RX) high frequency in configuration. • Antenna(s) – either omnidirectional or sectorized • Lightning arrestors Subscriber Unit (SU): • Cisco 2600/3600 Series routers (2610, 2611, 2612, 2613, 2620, 2621, 3620, 3640, 3661, 3662) • WT-2755 Multipoint Subscriber Network Module (NM) Note: NMs must be installed when router is powered off, except on the Cisco 3660 router. • DC Power Injector (-48VDC for high-power ODU or +24VDC for standard power ODU) with power supply • SU Transverter (O
