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63 E1 STM1 SDH Multiplexer (GT-SDH-155A)

Model Number: GT-SDH-155A
Country of Origin: China
Brand Name: Global Tech
Export Markets:
  • North America
  • South America
  • Eastern Europe
  • Southeast Asia
  • Africa
  • Oceania
  • Mid East
  • Eastern Asia
  • Western Europe
  • South Asia
  • Southern Europe
  • Northern Europe
  • Central America
Minimum Order:1 unit
Production Capacity: 1000 units/month sets
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63 E1 STM1 SDH Multiplexer

Product Specifications/Features


    Global Tech GT-SDH-155A 63E1 SDH is the compact STM-1 level Synchronous Digital Hierarchy (SDH) transmission system compatible with ITU-T standard. It is designed as a modular system with two 155.520Mb/s optical interfaces to provide an ultra-compact, cost-effective and high capacity platform. It provides fully cross-connect between all tributaries, and can be used as Terminal Multiplexer (TM) or an Add-Drop-Multiplexer (ADM) to build point-to-point, ring and chain transmission network.



     



    Product Feature



    ● Achieve Multiplexing from 63 E1 to 2 STM-1 optical interfaces 



    ● 1U height, 19 Inch width standard



    ● Service interface



    ■ Two STM-1 optical interfaces, SFP optical module (LC connector)



    ■ Maximum 63 E1 interfaces compliant with ITU-T G.703, optional unbalanced/ balanced interface



    ● System interface



    ■  Ethernet management interface: EMU (RJ45 connector)



    ■  RS232 network management interface: CONSOLE (RJ45 connector)



    ■  RS232 user channel interface: RS232 (RJ45 connector)



    ■  External synchronization interface / Extendable management interface :  ETS1/EXM1, ETS2/EXM2 (RJ45 connector)



    ■  Engineering Order Wire (EOW) interface: PHONE (RJ11 connector)



    ■  UALM and DALM output interface: U/DALMO (DB9 connector)



    ● Timing mode



    ■ STM-1 line timing (T11,T12)



    ■ Tributary timing from E1-1 to E1-63 (T2)



    ■ External timing source input (T31/T32), 2048Kbit/s by default and 2048KHz selectable



    ■ External timing output (T41/T42), 2048Kbit/s by default and 2048KHz selectable



    ■ ITU-T G.813 internal oscillator



    ■ The timing source can be auto-switched according to SSM or operator settings



    ● Supports 1+1 protection and Automatic Protect Switch (APS) with the switching time less than 50ms



    ● Supports Remote power Down Detection (RPD) and Auto Laser Shutdown (ALS)



    ● Supports embedded BERT and various loop back for troubleshooting



    ● Highly efficient management system



    ■ Supports NE management based on CLI command via RS232 interface or TELNET



    ■ Supports Network management based on PC via unified platform: GTVIEW



    ■ Supports three network management types: Traditional DCC management, Inner DCN management (by some VC12 channel) and outer DCN management (by E1 Cable via outer EXM interface).



    ● Power system



    ■ Two backup power supply



    ■ 220V AC or-48V DC single power



    ■ -48V DC & 220V AC double power 



    ■  -48V DC & -48V DC double power 



    ■ 220V AC & 220V AC double power 



    ■ Power consumption less than 25W



     Technical Parameter



    ●   System Fabric



    ■ Cross Connect: 4* 4 VC-4



     



    ●   Optical Interface



    ■ Optical Port: S1.1, L1.1, L1.2



    ■ Connector: SC, FC



    ■ Wavelength: 1310nm, 1550nm



    ■ Coding: NRZ



    ■ Max. Spectrum Width(RMS): G.957



    ■ Max. Tx Power: -8/ 0dBm



    ■ Min. Tx Power: -13/ -5dBm



    ■ Extinction: 8.2/ 10dB



    ■ Rx Sensitivity: -28/ -34dBm, BER 10-10



    ■ Rx Overload: -8/ -10dBm, BER 10-10



     



    ●   E1 Interface



    ■ Coding: HDB3



    ■ Bit Rate: 2.048Mb/s + 50ppm



    ■ Connector: BNC (75Ω) / RJ45 (120Ω)



    ■ Standard:ITU-T G.703,G.704,G.823



     



    ●   ETS/EXM interface



    ■ Line Clock: E1, STM-1 Optical Link



    ■ Internal Clock: Internal Oscillator



    ■ Bit rate:2.048Mb/s±50ppm



    ■ Impedance: 120Ω balanced



     



    ●   Ethernet management interface(EMU)



    ■ Bit rate: 100Mb/s



    ■ Connector: RJ45     



     



    ●   Operation Environment



    ■ Working Temperature: -10℃~ 70℃



    ■ Storage Temperature: -40℃~ 85℃



    ■ Relative Humidity: 5%~ 95%, non-condensing



    ■ No corrosive and solvent gas, no dust and heavy EMI



    ■ Power Supply: AC 220V, DC -48V



    ■ Power consumption: 25W±10%



    ■ Physical Dimension: 484mm×44mm×255mm (width ×height ×depth)



     



    Typical Network Diagram



     



    63 E1 STM1 SDH Multiplexer

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