Juniper Networks M20 Instrukcja Użytkownika Pobierz pdf (Strona 36)

DS3 PIC

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JUNOS 3.1 and laterSoftware release

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Four DS3 ports

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Power requirement: 0.47 A @ 48 V (22.5 W)

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Integrated DSU interoperability with leading DSU vendors

Description

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High-performance throughput on each port at speeds up to 44.736 Mbps, full duplex

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C-bit framing

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B3ZS line encoding

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Subrate and scrambling:

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Digital Link

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Kentrox

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Larscom

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Per-port rate policing on input

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Per-port rate shaping on output

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Packet buffering, Layer 2 parsing

Hardware features

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DS3 functionality:

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C-bit framing

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B3ZS line encoding

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DS3 diagnostics and loopback control

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DS3 alarm and event counting and detection

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Per-packet counts and byte counts

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Local and remote loopback testing, as well as BERT testing per DS3

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DS3 far-end alarm and control (FEAC) channel support

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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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Point-to-Point Protocol (PPP)

Software features

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Custom 10-ft (3.05-m) posilock SMB to BNC male cable, separate Rx and Tx (provided)Cables and connectors

36 ■ DS3 PIC

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