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SUN-SDH-155 SDH Fiber Transmission System

Features

  • High-integration, modularized design.
  • Provide 2 STM-1 uplink interfaces.
  • E1 port fulfill ITU-T G.703
  • Provide 1+1 channel protection, realize fast protection switching.
  • 63 E1 interfaces and 2 10/100BaseT Ethernet interfaces.
  • Support 1 optical, 1 electrical and 2 Ethernet ports
  • Complete clock function; provide clock tracking and holding functions.
  • 2.048Mbit/s external synchronous signal input/output.
  • Clock resource can select line clock, external clock or free-run.
  • Provide CONSOLE and SNMP, Easy to maintain
  • Network management can realize five major functions included: configuration, alarm, performance, maintenance and security which satisfy with ITU-T suggestions.
  • Supports hot-plug.
  • It can be used as TM or ADM
     

    Parameters

    Specifications

    SDH Port

    Standard

    Comply with ITU-T G.957/G.958

    Rate

    155.520Mb/s ± 4.6ppm

    Interface Quantity

    2

    Transmission Distance (km)

    0 ~ 120 for option

    Receiving Sensitivity (dBm)

    <-36 (BER < 10)

    Connector

    SC/FC

    Fiber Mode

    SM/MM

    Working in 1+ 1 low-level channel protection mode

    E1 Interface

    Interface Standard

    Comply with ITU-T G. 703

    Bit Rate (Kbps)

    2.048 ± 50ppm

    Code

    HDB3

    Interface Impedance (Ω)

    75/120

    Jitter Characteristic

    Comply with ITU-T G.742, ITU-T G.823

    Allowable Input Attenuation (dBm)

    0 ~ 6

    Ethernet Port

    Rate

    10/100Mbps adaptive

    Protocol

    IEEE 802.3, IEEE 802.1Q (VLAN)

    Connector

    RJ45

    MAC Address Table

    1024

    Operation Mode

    Full/half duplex adaptive

    VLAN

    Support VLAN data package

    Ethernet Total Cache

    64Mbits SDRAM

    Optical Port

    Rate

    10/100/1000M, Full-duplex

    Connector

    SFP

    General Information

    Dimensions (mm)

    1U/19”, 483W x 140L x 44H

    Working Temp. (°C)

    0~ 50

    Relative Humidity

    ≤ 90% (25°C)

    Power Input

    DC: -48VDC (-36 ~ -72V)  or
    220VAC ± 20%, 50Hz

    Power Consumption (W)

    ≤25 (@25°C)

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