Main Processing Unit A for S12704, S12708, S12712

SKU: 12116 PN: 03030RPE Category:


ET1D2MPUA000 Overview

The ET1D2MPUA000 is the main control unit for the S12704, S12708 and S12712. It provides the control plane and management plane for the entire system and reserves a slot for clock daughter card.

The ET1D2MPUA000 can be installed in:

  • Slots 05 and 06 in an S12704 chassis.
  • Slots 09 and 10 in an S12708 chassis.
  • Slots 13 and 14 in an S12712 chassis.
ET1D2MPUA000 Datasheet
Front Panel

USB port

BITS port

GE port

combo console port

ETH management 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) 2.74 kg
Maximum power consumption 46 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 2.8800 kg
Dimensions 43.0400 × 39.7200 × 3.5100 cm


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