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S12700 Series Agile Switches Hardware Description

This document describes hardware components of the S12700, including the cabinet, chassis, power supply facilities, fan modules, cards, cables, and pluggable modules for interfaces. You can find useful information about S12700 hardware components from this document.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Card Structure and Dimensions

Card Structure and Dimensions

Card Structure

Figure 7-1 shows an example of a card.

Figure 7-1  Card

1. Name label

2. Ejector lever

3. Indicator

4. Port

5. Front panel plate

6. Button

7. Printed circuit board (PCB)

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A card consists of the following components:

  • PCB

    The PCB contains all the functional chips and is the core of the card. The PCB provides indicators, buttons, and ports on the front panel. PCBs of some cards provide a clock daughter card slot.

NOTE:

Indicators, buttons, and ports on a card vary depending on the card model. Some cards support clock daughter cards, while others do not. For details, see the description of specific cards.

  • Front panel, made of the following parts:
    • Captive screws: fix the card into the chassis.
    • Ejector levers: allow you to insert and remove the card.
    • Plate: connects the ejector levers and PCB to the panel. Some labels are attached on the plate.

Card Dimensions

Figure 7-2 shows how the dimensions (width, depth, and height) of a card are defined.

Figure 7-2  Card dimensions
Table 7-2  Card dimensions

Card Type

Dimensions (W x D x H)

MPU

394.7 mm x 426.8 mm x 35.1 mm (15.54 in. x 16.80 in. x 1.38 in.)

SFU

394.7 mm x 426.8 mm x 35.1 mm (15.54 in. x 16.80 in. x 1.38 in.)

CMU

112.9 mm x 412.7 mm x 19.8 mm (4.44 in. x 16.25 in. x 0.78 in.)

LPU

394.7 mm x 426.8 mm x 35.1 mm (15.54 in. x 16.80 in. x 1.38 in.)

VSU

213.0 mm x 151.8 mm x 35.1 mm (8.39 in. x 5.98 in. x 1.38 in.)

NOTE:

The card dimensions are defined as follows:

  • Depth: the distance between the outer edge of an ejector lever and the end of the PCB
  • Width: the longest distance between the outer edges of two ejector levers
  • Height: the height of the front panel
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Updated: 2019-05-15

Document ID: EDOC1000047496

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