Features and Highlights

• Compact 1U height, 19-Inch standard chassis ideal for rack mounting
• 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
• 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)
• 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
• 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
• 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
• -24VDC power option available
• Power consumption less than 12W.

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

Application Diagram