Huawei ET1D2MPUDC00 Main Processing Unit
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ET1D2MPUDC00 Hardware Description
Introduction
Huawei S12700 ET1D2MPUDC00 Main Processing Unit D.
The ET1D2MPUDC00 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.
Functions of the ET1D2MPUDC00
The ET1D2MPUDC00 provides the control plane and management plane for the entire 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 ET1D2MPUDC00 consists of the following functional modules:
- Control module: functions as the control and management plane for the ET1D2MPUDC00 and the entire system, implementing protocol processing, route calculation, forwarding control, system management, and system security.
- Local clock module: provides the working clock for the chips of the control module, and device management and monitoring module on the ET1D2MPUDC00.
- Device management and monitoring module: provides functions of a controller area network (CAN) bus module to monitor the ET1D2MPUDC00 and manage the CAN bus modules of LPUs.
- Power supply module: provides power supply for the ET1D2MPUDC00.
- Value-added service module: provides enhanced services such as operation, administration and maintenance (OAM) and bidirectional forwarding detection (BFD).
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Function |
Description |
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Basic functions |
The ET1D2MPUDC00 is the system control and management unit for the S12704, S12708 and S12712. It integrates the main control unit, clock unit, and system maintenance unit. |
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OAM |
The ET1D2MPUDC00 supports the following OAM functions:
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Memory |
8 GB |
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NAND Flash |
2 GB The system configuration data, startup files, system software package, and system logs are saved in the NAND Flash by default. |
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Redundancy backup |
1+1 hot standby Main control board is mandatory for switches. Each switch must be configured with one or two main control boards. When one main control board is configured for a switch, the main control board can be installed in either main control board slot of the switch. When two main control boards are configured, the two main control boards work in hot standby mode to improve reliability of the switch. The active and standby main control boards monitor the status of each other. If the active main control board fails, the standby main control board automatically becomes active to ensure uninterrupted services. |
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Hot swapping |
Supported Before removing the active card, perform an active/standby switchover. |
Ports on the ET1D2MPUDC00
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Attribute |
Description |
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Connector type |
RJ45 |
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Working mode |
Clock synchronization mode: full-duplex Time synchronization mode: half-duplex |
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Frame format |
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Standards compliance |
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Cable used |
Time synchronization mode: straight-through Ethernet cable (RS422 signal) Clock synchronization mode: E1/T1 cable (120-ohm balanced cable) For details about cable parameters, see Clock Cable. |
Specifications of the ET1D2MPUDC00
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Item |
Description |
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Physical specifications |
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Return and Exchange Policy
Thank you for choosing Huatelecom! We value your trust and strive to provide high-quality products and exceptional service. Below is our comprehensive return and exchange policy to ensure your rights are protected.
1. Return Policy
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Eligibility for Returns (Quality Issues Only):
If the product has quality defects that affect its normal usage, you are eligible to apply for a return within 7 calendar days of receiving the product. The following conditions must be met:- The product must be unused, with all original packaging, accessories, and manuals intact.
- A valid proof of purchase (order number, invoice, etc.) must be provided.
- Clear evidence of the defect, such as photos or videos, must be submitted for verification.
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Shipping Costs for Returns:
If the return is due to quality issues, Huatelecom will cover the international shipping costs for returning the product. -
Refund Processing:
Once the returned product is received and inspected, the refund will be processed within 7 business days. The refund will be issued through the original payment method, and processing times may vary depending on your payment provider.
2. Exchange Policy
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Eligibility for Exchanges (Quality Issues Only):
You may request an exchange if the product develops a quality issue within 15 calendar days of receipt. The conditions for eligibility are:- The product must be returned with all original packaging, accessories, and manuals.
- Proof of purchase and evidence of the defect must be provided.
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Shipping Costs for Exchanges:
Huatelecom will bear the international shipping costs for the exchange. -
Exchange Process:
Upon receiving the defective product, we will inspect it and send a replacement product within 7 business days.
3. Warranty Service
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Coverage During the Warranty Period:
For products within the warranty period, if quality issues arise, we will provide a replacement free of charge with your next order. No additional shipping costs will be incurred for the replacement. -
Out-of-Warranty Repairs:
For products outside the warranty period, repairs can be arranged. However, customers will need to cover theround-trip international shipping costs for sending the product to us and receiving it back after repair.
4. Damages or Loss During Shipping
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For Customers Who Purchased Shipping Insurance:
If the product is damaged or lost during shipping, the insurance company will compensate for the loss. Customers must:- Submit a compensation claim within 15 calendar days of the order being shipped.
- Provide required documentation, such as photos of the damaged packaging, damaged product, or proof of non-delivery.
- Huatelecom will assist in the claim process to ensure timely resolution.
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For Customers Without Shipping Insurance:
If you choose not to purchase shipping insurance, Huatelecom will not be liable for any damages or losses incurred during transit.
5. Application Process for Returns, Exchanges, or Claims
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For further assistance, please reach out to us:
- Email: sales@huatelecom.com
- Phone: +852 44652638
- Business Hours: Monday to Friday, 9:00 AM - 6:00 PM (GMT+8)
Provide your order number, issue description, and supporting evidence (photos, videos, etc.).
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Request Review:
Our team will review your application within 1-3 business days and notify you of the outcome. -
Return or Exchange Process:
- If approved, you will receive instructions on how to return the product or proceed with the exchange.
- For insurance claims, we will assist in coordinating with the insurance company.
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Refund or Replacement:
Once the product is received and inspected, we will process your refund, exchange, or warranty claim promptly.
6. Important Notes
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Timeframes:
- Returns must be initiated within 7 days of receipt.
- Exchanges must be requested within 15 days of receipt.
- Warranty replacements depend on the warranty terms for the specific product.
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Condition of Returned Products:
Products must be returned in their original condition with all accessories and packaging intact. Damaged, altered, or incomplete items may not qualify for returns or exchanges. -
Shipping Insurance:
We highly recommend purchasing shipping insurance to protect against potential damages or losses during transit. -
Non-Eligible Returns/Exchanges:
- Products with intentional damage or misuse.
- Issues reported beyond the specified timeframes.
- Non-Huatelecom products or items purchased from unauthorized channels.
At Huatelecom, your satisfaction is our top priority. Thank you for trusting us with your business!