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Chapter 3 Hardware Installation and Upgrade
3.1 Jumpers and Connectors
The DSA-3400 Embedded/Mobile Video System consists of a PC-based computer that is
housed in a aluminum top cover, a metal bottom case with accessed bottom cover and front
with rear metal face plate. The HDD, SDRAM, are accessible by removing the accessed
bottom cover. Any maintenance or hardware upgrades can be easily completed after
removing the top cover, front and rear plates.
Warning!
Do not remove any mechanical parts, such as the top cover, bottom cover and front with rear
face plate until you have verified that no power is flowing within the embedded box computer.
Power must be switched off and the power cord must be unplugged. Every time you service
the embedded box computer, you should be aware of this.
3.2 Setting jumpers
You can configure your DSA-3400 to match the needs of your application by setting jumpers.
A jumper is the simplest kind of electrical switch. It consists of two metal pins and a small
metal clip (often protected by a plastic cover) that slides over the pins to connect them. To
"close" a jumper, you connect the pins with the clip. To "open" a jumper you remove the clip.
Sometimes a jumper will have three pins, labeled 1, 2, and 3. In this case, you would connect
either pins 1 and 2 or pins 2 and 3.
Figure 3.1: Jump type-1
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