4. Ejector lever 5. Front panel plate 6. Interface
7. Printed circuit board
(PCB)
- -
A card consists of the following components:
l PCB
The PCB contains all the functional chips and is the core of the card. The PCB provides
indicators, buttons, and interfaces on the front panel. PCBs of some cards provide space
for installing daughter cards.
NOTE
Different cards provide different indicators, buttons, and interfaces. Some cards support daughter
cards, while others do not. For details, see the description of specific cards.
l Front panel, consisting of captive screws, ejector levers, and plate
– Captive screws: fix the card into the chassis.
– Ejector levers: allow you to insert and remove the card.
– Plate: connects the ejector levers and the PCB to the panel. Labels, such as the bar
code and laser label, are also attached on the plate.
Card Dimensions
Figure 5-2 illustrates the dimensions of a card.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
5 Cards
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 609
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