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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...

Product Description

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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