IP over TDM
Gigabit Ethernet over STM-1

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

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