IP over TDM
Gigabit Ethernet over STM-1

VCL Products > IP over TDM > Gigabit Ethernet over SDH (STM-1) Converters
Gigabit Ethernet over SDH - Front
Gigabit Ethernet over SDH
Gigabit Ethernet over SDH - Back
Gigabit Ethernet over SDH - Front
Gigabit Ethernet over SDH
Gigabit Ethernet over SDH - Back

Gigabit Ethernet over SDH (STM-1) Converters

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Valiant’s Gigabit Ethernet over SDH (STM-1) provides a simple, cost effective and compact solution to convert 10/100/1000Base-T (Gigabit) data interface on the user side and transport Ethernet traffic over a STM-1 (155Mbps) SDH link and reconstruct the data back to ethernet frame format, at remote end. The converter is an effective method for converting and transporting 10/100/1000Base-T (Gigabit) ethernet data over an STM-1 (155Mbps) SDH link. The unit is available in a compact 1U (44mm high) box in a 19-inch rack mount chassis.

Features and Highlights:

  • Compact 1U height, 19-Inch standard chassis ideal for rack mounting
  • Provides complete diagnostics facilities to the user for monitoring optical ports and provide reading of optical transmit power, optical receive power, laser temperature, bias current in voltage alarms etc.
  • Performance Monitoring and Alarms - Error counts for B1, B2, B3
  • Performance Analysis - Error Seconds (ES), Several Error Seconds (SES), Unavailable seconds UAS, Higher Order Virtual Container - Remote Error Indication (HOVC-REI), Higher Order Virtual Container - Pointer Justification Event (HOVC-PJE)
  • Supports 1+1 Line Protection and Automatic Protection Switching (APS) with less than 50ms recovery
  • Supports point-to-point
  • Local management and network-based management via a unified platform
  • Supports Remote Power Down Detection and Auto Laser Shutdown
  • Supports STM-1 loop-back for troubleshooting
  • 850nm multi-Mode, 1310nm Single Mode and 1550nm Single Mode optical interface options offered
  • Ethernet mapping adopts GFP/VC-12 virtual concatenated technology; according with MSTP criterion
  • Provides Gigabit Ethernet over SDH mapping through standard GFP and VC-12 virtual concatenation (VCAT)
  • Ethernet bandwidth can be adjusted by the user between 2MBps ~126 Mbps (VC-12 mapping)
  • Supports MAC Address list filtration, learning and updating function
  • Easy to operate

Applications

  • 10/100/1000Base-T (Gigabit) Ethernet to STM-1 conversion (100/1000Base-T over an STM-1 [155Mbps] interface)
  • WiMAX station connectivity
  • High-bandwidth private LAN services
  • Enterprise connectivity
  • IP DSLAM backhauling
  • 3G mobile station connectivity
  • Gigabit Ethernet over STM-1 converter - Remote LAN over wireless
  • Gigabit Ethernet over STM-1 converter - Remote LAN application

Service interfaces

  • 2 x STM-1 optical interfaces, MSA compliant SFP (pluggable) optical module (LC connector) based design, which supports onsite optical port replacement
  • 2 x STM-1 electrical interfaces, SFP electrical module (Mini BNC connector) Optional
  • 1 x GigE (Gigabit) Ethernet interface Options
  • Optical GigE (Gigabit) Ethernet interface
  • Electrical 1000BaseT (Gigabit) Ethernet Interface

Management and Maintenance interfaces

  • 10/100BaseT Ethernet management interface
  • RS232 serial management interface
  • Remote (Telnet) management interface
  • Windows XP based Graphical User Interface (GUI)
  • Windows 7 based Graphical User Interface (GUI)
  • SNMP V2 Monitoring
  • Engineering Order Wire (EOW) interface (RJ-11)
  • NMS (Network Management System) for monitoring multiple units from a single / central location.

Timing mode

  • Synchronization with STM-1 line timing
  • External timing source option - 120 Ohms 2MBps (External Bits Clock)
  • External timing source - 120 Ohms 2MHz (External TTL Clock) - Factory Configurable
  • Internal Clock - ITU-T G.813 internal oscillator (Stratum 3)
  • The timing source can be auto-switched according to default or operator programmed settings

Ethernet Standards Conformity

  • Electrical Gigabit compliant with 802.3ab
  • Optical Gigabit compliant with 802.3z
  • Generic Framing Procedure GFP-F compliant with ITU-T G.7041
  • VCAT compliant with ITU-T G.707 and LCAS compliant with ITU-T G.7042
  • Ethernet flow control on WAN port and LAN port
  • Large buffer size upto 410,000 bytes
  • Maximum Frame length (MTU size):1552 bytes
  • Auto MID/MID-X for Ethernet Interfaces
  • Support 802.1Q based VLAN tagging
  • Support Port based VLAN tagging
  • Performance Analysis
    • All Received Packets
    • All Transmitted Packets
    • Received Dropped Packets

Alarm and Indicator Monitoring

  • Power Indicator
  • Current Status (integrity and activity) Indicator
  • Urgent Alarm Indicator
  • Minor Alarm Indicator
  • Optical Signal Loss Alarm Indicator
  • Remote Device Power-down Indicator
  • Ethernet Card Status Indicator
  • General Alarm Indicator for Ethernet Card (including Link-down of Ethernet Port)
  • Auto Laser Shutdown (ALS) Indicator
  • Engineering Order-Wire (EOW) Indicator
  • Ethernet Link Indicator
  • Ethernet Speed Indicator
  • Dry contact via 9-pin, D-type male connector
  • Buzzer Alarm
  • SNMP Diagnostic and Monitoring

Redundant power supply card options

  • AC+DC, DC+DC and AC+AC
  • 110V AC - 240V AC (50/60 Hz) power options available
  • 48VDC power option available
  • Power consumption less than 12W.

Application Diagram



Gigabit Ethernet over SDH

Valiant Communications is an ISO 9001:2015, ISO 10001:2018, ISO 14001:2015, ISO 27001:2022 and ISO 45001:2018 certified equipment manufacturer.

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