Juniper-networks M20 Manual de usuario descargar pdf (Pagina 19)

E3 PIC

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JUNOS 3.1 and laterSoftware release

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Four E3 ports

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

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Integrated DSU interoperability

Description

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High-density E3 (34.368-Mbps) connectivity

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High-performance throughput on each port at speeds up to 34.368 Mbps, full duplex

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Scrambling support

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Subrate clocking support

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Rate policing on input

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Rate shaping on output

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Packet buffering, Layer 2 parsing

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Large MTUs, up to 9192 bytes

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Local and remote loopback

Hardware features

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Supports G-751 framing

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E3 diagnostics and loopback control

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E3 alarm and event counting and detection

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DS3 diagnostics and loopback control

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Bit error rate test (BERT); you can configure one port in BERT mode and configure the

remaining channels to transmit and receive normal traffic

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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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Multiprotocol Label Switching (MPLS) 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 to BNC male cable, separate RX and TXCables and connectors

One tricolor per port:

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Off—Not enabled

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Green—Online with no alarms or failures

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Amber—Online with alarms for remote failures

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Red—Active with a local alarm; router has detected a failure

LEDs

E3 PIC ■ 19

E3 PIC

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 33 34

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Juniper-networks M20 Manual de usuario Pagina 19

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