Juniper-networks M7I Instrukcja Użytkownika Pobierz pdf (Strona 68)

E3 IQ PIC (M7i Router)

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Junos OS Release 6.1 and laterSoftware release

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Four E3 ports

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Power requirement: 0.38 A @ 48 V (18 W)

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Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface

Description

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Clear-channel (34.368-Mbps) and subrate E3

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Unframed or ITU G.751 framing

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Data service unit (DSU) functionality

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Subrate and scrambling:

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Digital Link/Quick Eagle

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Kentrox

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HDB3 line encoding

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Full bit error rate test (BERT)

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Local and remote loopback testing

Hardware features

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Quality of service (QoS) per port: weighted round-robin (WRR), random early detection (RED),

weighted random early detection (WRED)

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Simple Network Management Protocol (SNMP): E3 MIB, QoS MIB

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Input policing and output shaping

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Provider-side rate limiting

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Full data link connection identifier (DLCI) range with sparse channel numbering

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Per-DLCI queues with weighted deficit round-robin and strict priority

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Encapsulations:

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High-Level Data Link Control (HDLC)

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Frame Relay

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Circuit cross-connect (CCC)

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Translational cross-connect (TCC)

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Point-to-Point Protocol (PPP)

Software features

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Standard E3 BNC coaxial cable interfacesCables and connectors

M7i Multiservice Edge Router PIC Guide

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