rb008

RB008 Dual-VCG channel Gigabit Ethernet Converter (RB008)

RB008 is a dual - VCG channel Gigabit Ethernet Converter, provides 4 gigabit Ethernet interfaces (3 copper and 1 fiber Ethernet interfaces) compliant with IEEE 802.3 series standard and 2 STM-1 optical interfaces, supports 1+1 optical path protection and 2+0 mode. In 1+1 mode, the 4 Etherent interfaces share one VCG and the bandwidth is one VC4 (139Mb/s). In 2+0 mode...
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    Overview

    RB008 is a dual - VCG channel Gigabit Ethernet Converter, provides 4 gigabit Ethernet interfaces (3 copper and 1 fiber Ethernet interfaces) compliant with IEEE 802.3 series standard and 2 STM-1 optical interfaces, supports 1+1 optical path protection and 2+0 mode. In 1+1 mode, the 4 Etherent interfaces share one VCG and the bandwidth is one VC4 (139Mb/s). In 2+0 mode, the 4 Ethernet interfaces share two VCG channels and the bandwidth is two VC4. Therefore, By GFP and EoS technology, RB008 can realize two 139Mb/s Ethernet traffic transmission over STM-1 optial line.

     

    Feature

     

    • Compact design with 1U height, 19 inch, 155mm depth, and can be installed on standard rack
    • Optical interface
    • Two STM-1 optical interfaces; SFP optical module (LC interface); Hot pluggable
    • The line bit rate is 155Mb/s, single mode, ltransmission distance is optional (depend on the SFP optical module)
    • Supports real-time detection for the status of optical module
    • Supports Automatic Laser Shutdown(ALS) to protect operators from hurt
    • Supports Remote Power down Detect (RPD) function
    • Ethernet interface
    • One fiber gigabit Ethernet interface and three copper gigabit Ethernet interfaces compliant with IEEE802.3 serial standard;
    • The copper 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; supports auto MDI/MDX function
    • The fiber 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)
    • Provides two WAN port (inside and invisible), each corresponding to one VCG separately, the bandwidth of each VCG is a VC4.
    • Management Interface
    • Any of the GE1-3, GX4 can be used as the Ethernet management interface (EMU)
    • Provides one serieral management interface (CONSOLE)
    • Supports embedded DCN management channel to achieve inband management
    • Ethernet Switch bridge
    • Supports unicast, multicast and broadcast frame
    • Supports 802.3x flow control and broadcast storm filtering control*
    • 8K MAC address table, with optional 12s / 300s ageing time configurable, the default is 300s
    • Supports MAC address dynamic learning function
    • Supports 256 items static MAC address configuration
    • Accepts frames with length between 64 and 1552/2048 bytes (otherwise filtering)
    • Supports port-based VLAN and IEEE802.1Q tag-based VLAN
    • Supports QinQ(Double Tag VLAN)
    • Supports up to 4K items VLAN table
    • Supports Link Aggregation for WAN and LAN port, supports up to 4 link aggregation groups
    • Supports IEEE 802.1P QoS
    • Supports Port Mirroring
    • Supports Dynamic ARL Table Learning and Searching
    • Supports port rate control
    • Provides performance statistic for each Ethernet interface;
    • Loop back
    • Supports VC4 channel of STM-1 optical loopback towards line side
    • Supports 1+1 path protection and Automatic Protect Switch (APS) with switching time less than 50ms
    • Supports 2+0 mode, the transmission bandwidth available can be up to 2 VC4
    • Compliant to ITU-T standards
    • GFP-F encapsulation , compatible with ITU-T G.7041 recommendation
    • NE Management
    • Supports Simple Network Management Protocol (SNMP), compatible with V1 and V2C protocol
    • Supports FTP protocol and firmware download online without disturbance of existing traffic
    • Monitoring the alarms and status in real-time
    • Supports hot-spare power, the power consumption is less than 10W
    • -48V DC single power access
    • 220V AC single power access
    • -48V DC+220V AC double power access

    *Note:

    The ingress port mirroring function can be available Only when both the broadcast strom filtering function and ingress port rate control function are closed..

     

     

    Application

    RB008 supports point-to-point application. In 1+1 mode, the 4 Etherent interfaces share one VCG and the bandwidth is one VC4 (139Mb/s). In 2+0 mode, the 4 Ethernet interfaces share two VCG channels and the bandwidth is two VC4. Refer to section 5.3 for more.

     

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    Figure 1 point-to-point application

     

    Note: Make sure optical A of one NE must be connected with optical B of its neighboring NE.

     

     

     

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