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Huawei S7700&S9700 Switch Card Structure and Dimensions

Huawei Campus Switch includes S1700, S2300, S2700, S3300, S3700, S5300, S5700, S600-E, S6300, S6700, S7700, S7900, S9300, S9300X, S9700, S12700 Series. In this article, HongTelecom will introduce Huawei S7700&S9700 Switch Card Structure and Dimensions.

Card Structure and Dimensions

Card Structure

Figure 1 shows an example of a card.

Figure 1 Card
Figure 1 Card
1. Name label 2. Ejector lever 3. Front panel plate
4. Port 5. Button 6. Indicator
7. Clock daughter card slot 8. Printed circuit board (PCB) 9. Positioning pin
10. Subcard slot 11. Captive screw

A card consists of the following components:

  • PCBThe 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.
Figure 2 Card dimensionsNOTE:

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

Figure 2 Card dimensions_S7700

Figure 2 Card dimensions

Table 1 Card dimensions
CARD TYPE DIMENSIONS (W X D X H)
MCU 194.5 mm x 426.8 mm x 19.9 mm (7.66 in. x 16.80 in. x 0.78 in.)
SRU 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.)
FSU/VSTSA 170.0 mm x 243.7 mm x 35.1 mm (6.69 in. x 9.59 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.)
VS04 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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