RB006

Gigabit Ethernet to STM-4 Converter (RB006)

RB006 is the compact and high-performance Gigabit Ethernet to STM-4 converter with VLAN TAG function, which provides three gigabit Ethernet interfaces (2 electrical and 1 optical Ethernet interfaces) and 2 STM-4 interfaces. By adopting ITU-T G.7041 and G.7042-compliant EoSDH (Ethernet over SDH) technology, RB006 provides one VCG whose bandwidth can be flexibly configured from 1~8 VC4.
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    Overview

    RB006 is the compact and high-performance Gigabit Ethernet to STM-4 converter with VLAN TAG function, which provides three gigabit Ethernet interfaces (2 electrical and 1 optical Ethernet interfaces) and 2 STM-4 interfaces. By adopting ITU-T G.7041 and G.7042-compliant EoSDH (Ethernet over SDH) technology, RB006 provides one VCG whose bandwidth can be flexibly configured from 1~8 VC4, under 2+0 mode (when the two STM-4 interfaces are independent), the 3 Ethernet interfaces share up to 1112Mb/s (8 VC4).

        With low power consumption, high integration and well stability, RB006 supports point-to-point application, it is a cost-competitive solution for the application such as network access, transparent LAN service and LAN extension.

    Feature

    • Standard 19 Inch Rack with1U height
    • Optical interface
    • Two STM-4 optical interfaces, LC type SFP module and hot-pluggable
    • The line bit rate is 622Mb/s, transmission distance is optional (depend on the SFP optical module)
    • SFP MSA(INF-8074i), ITU-T G.695, FC-PI V2.0 standards
    • Supports Automatic Laser Shutdown(ALS) to protect operators from hurt
    • Supports Remote Power down Detect (RPD) function
    • Ethernet interface
    • One optical Gigabit Ethernet interface and two electrical Gigabit Ethernet interfaces compliant with IEEE802.3 serial standard
    • The electrical gigabit Ethernet interfaces adopt RJ45 connector, support auto-negotiation, which can work in 1000M full-duplex, 100M full/half-duplex, 10M full/half-duplex mode
    • The optical gigabit Ethernet interface adopts 1.25G SFP module, which can work in 1000M full-duplex mode, transmission distance is optional (depend on the SFP optical module)
    • Proprietary technique (patent pending) adopted to prevent Ethernet frames from looping back in case of unexpected transmission line loopback
    • Supports unicast, multicast and broadcast frame
    • Supports flow control and broadcast storm filtering control
    • 4K MAC address table, with optional 12s / 300s ageing time configurable, the default is 300s
    • Supports MAC address dynamic learning function
    • Accepts frames with length between 64 and 9720 bytes (otherwise filtering)
    • Supports port-based VLAN and IEEE802.1Q tag-based VLAN
    • Supports QinQ(Double Tag VLAN)
    • Supports port rate control
    • Provides performance statistic for each Ethernet interface
    • Timing mode
    • Tracing from internal timing source, complies with ITU-T G.813 standard
    • Tracing from STM-4 optical line timing source (T11, T12)
    • Timing sources can be switched over according to alarms, SSM values, frequency offset, and the preset priority of the sources, or can be switched over by force directly
    • Path Protection
    • Supports 1+1 path protection and 2+0 non-protection mode
    • Supports 1+1 path protection with the recovering time less than 50ms
    • 1+1 linear unidirectional/ bidirectional Multiplex Section protection (MSP)
    • Supports automatic protection switch and manually protection switch
    • Virtual concatenation
    • Supports 1~8 VC4 virtual concatenation
    • The maximum tolerated differential delay is 252ms
    • Provides both LCAS and Non-LCAS modes
    • Compliant to ITU-T standards
    • GFP-F encapsulation , compatible with ITU-T G.7041 recommendation
    • Virtual concatenation (VCAT) and Link Capacity Adjustment Scheme (LCAS) recommendation G.7042
    • NE Management
    • Provides serial management interface(CONSOLE) and Ethernet management interface (EMU) for CLI management
    • Supports RAYVIEW network management platform based on C/S architecture.
    • Supports SNMP_V1 and SNMP_V2 protocol.
    • Supports local and remote firmware online update without disturbing existing traffic
    • Supports embedded DCN channel for local and remote management
    • Monitoring the alarms and status in real-time
    • Redundant power supply with power consumption less than 10W
    • -48V DC single power access
    • -48V DC double power access
    • 220V AC single power access
    • 220V AC double power access
    • -48V DC+220V AC double power access

    Application

        RB006 supports point-to-point application, supports embedded DCN channel for local and remote management. As Figure 3-1 shows, both the remote management and Ethernet data are transmitted to local side over SDH network, by VLAN classifying, all the management information can be controlled by the NMS of local center. Note: each NE needs one IP.

     

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    Figure 1 Point-to-point Application

     

     

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