Информационное Руководство для Cisco Cisco WT2750 Multipoint Broadband Wireless System

Subscriber Unit (SU)
Related Information

This document contains frequently asked questions (FAQs) about the Cisco WT−2750 Multipoint Broadband
Wireless System. For a diagram of components of the Multipoint Broadband Wireless network, see the What
are subchannels? question in this document.

Refer to Cisco Technical Tips Conventions for more information on document conventions.

A. Headend (HE):

Cisco uBR7223/7246/7246VXR Universal Broadband router

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WT−2751 Multipoint Headend Line Card − up to four for each HE; supports up to
1024 simultaneous users

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WT−2781 Multipoint Quad Power Feed Panel − one for up to two line cards

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Power supply (−48VDC)

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HE transverter (outdoor unit (ODU)) − one or two for each line card, depending upon
whether diversity is employed

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HE duplexer − one for each ODU

Note: The orientation of the installed duplexer determines transmit (TX) high or
receive (RX) high frequency in configuration.

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Antenna(s) − either omnidirectional or sectorized

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Lightning arrestors

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Subscriber Unit (SU):

Cisco 2600/3600 Series routers (2610, 2611, 2612, 2613, 2620, 2621, 3620, 3640,
3661, 3662)

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WT−2755 Multipoint Subscriber Network Module (NM)

Note: NMs must be installed when router is powered off, except on the Cisco 3660
router.

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