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
Figure 1 shows an example of a 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.
- 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.
Figure 2 shows how the dimensions (width, depth, and height) of a card are defined.
|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.)|
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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