Juniper-networks M7I Manuel d'utilisateur télécharger pdf (Page 62)

E1/T1 Circuit Emulation PIC (M7i Router)

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Junos OS Release 9.3 and laterSoftware release

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Configurable as either twelve E1 ports or twelve T1 ports

NOTE: Mixing E1 and T1 ports on the same PIC is not supported.

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Power requirement: 0.52 A @ 48 V (25 W)

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Onboard DSU functionality for E1 connectivity

Description

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Maximum transmission units (MTUs) of up to 1024 bytes

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Per-interface diagnostics and loopback control

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Per-interface alarm and event counting and detection

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Framing

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4-bit CRC for G.704 framed mode

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G.704 without CRC4

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Unframed

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Balanced and unbalanced modes

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Full bit error rate test (BERT)

Hardware features

M7i Multiservice Edge Router PIC Guide

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Juniper-networks M7I Manuel d'utilisateur Page 62