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Chapter 2 System Overview
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RFC 1483 Multi-protocol over AAL5
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RFC 2365 PPP over AAL5
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RFC 2516 PPPoE
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Traffic-shaping UBR, CBR
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ATM forum UNI 3.1/4.0 PVC (minimum 5 PVCs)
BCM50b, BCM50ba, and BCM50be: BCM systems with
integrated BRIs
The BCM50 system provides private network and telephony-management capability to small and
medium-sized businesses the EMEA and APAC markets. The BCM50 integrates voice and data
capabilities, IP telephony gateway functions, and data-routing features into a single telephony
system. The BCM50 is a compact system that you use to create and provide telephony applications
for use in a business environment.
Common features and capabilities
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BRI Compact Daughter Card (CDC)— Performance conforms to ITU I.430, ETSI ETS
300012, ANSI T1.605, and safety standards and lightening protection
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Additional CDC connector, for a total of two CDC slots
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Xilinx FPGA - XC3S400-4FT256C
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Integrated 8-port 10/100 Ethernet switch to support future eDSP CDC (upgraded from
5-port)
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RoHS EU compliance
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2.5" hard drive and new bracket
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Optimized position of fan cable, SATA cable, and hard-drive connector
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POL Current Limiting
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Introduce BRI and improve pack performance, and customer feature set.
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Memory parity
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Upgrade DSP and microprocessor
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GASI support
NN40020-200
NN40020-200