HW Version | Board | HW60 R8 | OMUb,SCUa,TNUa,GCUa,DPUc,DPUd,XPUa,EIUa,FG2a,GOUa,OIUa,PEUa | HW69 R11 | OMUa,SCUa,TNUa,GCGa,GCUa,DPUc,DPUd,XPUb,EIUa,FG2c,GOUc,OIUa,PEUa,POUc | HW69 R13 | OMUc,SCUb,TNUa,GCGa,GCUa,DPUf,DPUg,XPUb,EIUa,FG2c,GOUc,OIUa,PEUa,POUc |
Board Type | Board Name | Function | OMU board | OMUa | zHandles configuration management, performance management, fault management, security management, and loading management for the BSC6900 Software. zWorks as the OM agent for the LMT/M2000 to provide the BSC6900 OM interface for the LMT/M2000, thus achieving the communication between the BSC6900 Software and the LMT/M2000. zWorks as the interface to provide the web-based online help. | Switching processing board | SCUa | zProvides MAC/GE switching and enables the convergence of ATM and IP networks. zProvides data switching channels. zProvides system-level or subrack-level configuration and maintenance. zDistributes clock signals for the BSC6900 Software. | TDM switching Network Unit | TNUa | zProvides 128K x 128K time slots TDM switching zAllocates the TDM network resources | Clock processing board | GCGa | Obtains the system clock source, performs the functions of phase-lock and holdover, and provides clock signals. Differences: Unlike the GCUa board, the GCGa board can receive and process the GPS signals. | GCUa | Signaling processing board | SPUb/ XPUb | Manages user plane and signaling plane resources in the subrack and processes signaling. | Service processing board | DPUe/ DPUd/ DPUc | Processes CS services and PS services within the system. | Service identification board | NIUa | Provides the service identification function. It works with the service processing boards to schedule different types of services. | Interface processing board | AEUa | Provides 32 channels of ATM over E1/T1. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | AOUc | Provides four channels over the channelized optical STM-1/OC-3 ports based on ATM protocols. zSupports ATM over E1/T1 over SDH or SONET. zProvides 252 E1s or 336 T1s. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | FG2c | Provides 12 channels over FE electrical ports or 4 channels over GE electrical ports. zSupports IP over FE/GE. | GOUc | zProvides four channels over GE optical ports. zSupports IP over GE. | PEUa | Provides 32 channels of IP over E1/T1. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | EIUa | zProvides four E1/T1 electrical ports for TDM transmission zTransmits, receives, encodes, and decodes 32 E1s/T1s. The E1 transmission rate is 2.048 Mbit/s; the T1 transmission rate is 1.544 Mbit/s zProcesses signals according to the LAPD protocol zProcesses signals according to the SS7 MTP2 protocol | POUc | Provides four channels over the channelized optical STM-1/OC-3 ports based on IP protocols, equivalent to 252 E1s or 336 T1s. zSupports IP over E1/T1 over SDH/SONET. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | UOIa | zProvides four channels over the unchannelized STM-1/OC-3c optical ports. zSupports ATM/IP over SDH/SONET. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | UOIc | zProvides eight channels over the unchannelized STM-1/OC-3c optical ports. zSupports ATM over SDH/SONET. zExtracts clock signals and sends the signals to the GCUa or GCGa board. | Supported Interfaces and Usage | OMUa | The following list shows a collection of interfaces which might be
used during this evaluation for all models. | FG2c | The interfaces boards are used for incoming and outgoing network traffic, which support VLAN, IP_based ACL, anti-DDoS attack characteristics. |
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