Main Processing Unit B ET1D2MPUBC00 for S12710

SKU: 12122 PN: 03031YLQ Category:


ET1D2MPUBC00 Overview

The ET1D2MPUBC00 integrates the control and switching functions and provides the control plane, management plane, and data plane for the system.

  • The control plane provides functions such as protocol processing, service processing, route calculation, forwarding control, service scheduling, traffic statistics collection, and system security.
  • The management plane is responsible for system status monitoring, environment monitoring, log and alarm processing, system software loading, and system upgrades.
  • The data plane provides high-speed, non-blocking data channels for data switching between service modules.

The ET1D2MPUBC00 consists of the following functional modules:

  • Control module: functions as the control plane and management plane for the ET1D2MPUBC00 and the entire system, implementing protocol processing, route calculation, forwarding control, system management, and system security.
  • Switching module: functions as the data plane and provides high-speed service channels for data switching.
  • Local clock module: provides the working clock for the chips of the control module, switching module, and equipment management and monitoring module on the ET1D2MPUBC00.
  • Device management and monitoring module: provides functions of a controller area network (CAN) bus module to monitor the ET1D2MPUBC00 and manage the CAN bus modules of LPUs.
  • Power supply module: provides power supply for the ET1D2MPUBC00.
Front Panel

BITS port

GE port

USB port

Console port

ETH management port

10GBASE SFP+ optical port

40GBASE-X optical port

The attribute of a ETH management port
Connector type RJ45
Standards compliance IEEE802.3
Working mode 10/100 Mbit/s auto-sensing


Maximum transmission distance 100m
The attribute of a console management port
Connector type RJ45
Working mode Duplex Universal Asynchronous Receiver/Transmitter (UART)
Standards compliance RS232
Baud rate 9600 bit/s to 115200 bit/s

Default value: 9600 bit/s

The attribute of BITS port
Connector type RJ45
Working mode Clock synchronization mode: full-duplex

Time synchronization mode: half-duplex

Frame format 1 PPS + Time of Day (ToD)

DC Level Shifter (DCLS)

2 MHz

2 Mbit/s: HDB3 code

1.544 Mbit/s: B8ZS code

Standards compliance 1 PPS + ToD


ToD standard of China Mobile

DCLS: standard of DCLS signals

2 MHz: G.703

2 Mbit/s: G.703

1.544 Mbit/s: G.703

Cable used Time synchronization mode: straight-through network cable (RS422 signal)

Clock synchronization mode: E1/T1 cable (120-ohm balanced cable)

Version Mapping
Supported in V200R008C00 and later versions
Physical specification
Dimensions (mm) 35.1 mm x 397.2 mm x 430.4 mm (1.38 in. x 15.64 in. x 16.95 in.)
Weight (kg) 3.65 kg
Maximum power consumption 214.9 W
Environment parameters
Operating temperature 0°C to 45°C (32°F to 113°F)
Operating relative humidity 5% RH to 95% RH (noncondensing)
Storage temperature -40°C to +70°C (-40°F to +158°F)
Storage relative humidity 5% RH to 95% RH (noncondensing)

Additional information

Weight 6.0000 kg
Dimensions 50.2000 × 46.8000 × 11.8000 cm


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