Huawei AR Series Router Card Structure and Dimensions The Huawei AR series routers support SIC, WSIC, XSIC, and SRU cards. These cards have the same structure, and a WSIC card is used as an example here. Card Structure Figure 1 Appearance of a WSIC card
1. Card name silkscreen
2. Indicator
3. Captive screw
4. Handle
5. Front panel plate
6. Ports
7. Printed circuit board (PCB)
A card consists of: PCB The PCB contains all the functional chips of the card and is the core of the card The PCB provides indicators, buttons, and ports on the front panel. PBCs of some cards provide space for installing daughter cards. Note: Different cards provide different indicators, buttons, and ports. Some cards support daughter cards, while some cards do not. For details, see the description of specific cards. Front panel, consisting of screws, ejector levers, and plate Screws: fix the card into the chassis. Ejector lever: allows you to insert and remove the card. Plate: connects the ejector levers and the PCB. Labels, such as the bar code and laser 1
label, are also attached on the plate. Card Dimensions Figure 2 Card dimensions
NOTE: The card dimensions are defined as follows: • • •
Depth: distance between the top of an ejector lever and the end of PCB Width: longest distance between the tops of two ejector levers Height: height of the front panel
Figure 3 shows the cards supported by the AR router and Table 1 lists the card dimensions.
Table 1 Card dimensions Card Type SIC card 2
Dimensions (Height x Width x Depth) 19.82 mm x 100.1 mm x 223.5 mm (0.78 in. x 3.94 in. x
Table 1 Card dimensions Card Type
Dimensions (Height x Width x Depth) 8.8 in.)
WSIC card
19.82 mm x 201 mm x 223.5 mm (0.78 in. x 7.91 in. x 8.8 in.)
XSIC card
40.14 mm x 201 mm x 223.5 mm (1.58 in. x 7.91 in. x 8.8 in.)
SRU
40.14 mm x 402.8 mm x 270.85 mm (1.58 in. x 15.86 in. x 10.66 in.)
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