Advantech PCM-3353 Manual de usuario descargar pdf (Pagina 16)

PCM-3353 User Manual 8

2.4 Setting Jumpers

You may configure your card to match the needs of your application by setting jump-

ers. A jumper is a metal bridge used to close an electric circuit. 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 2 and 3.

The jumper settings are schematically depicted in this manual as follows:.

A pair of needle-nose pliers may be helpful when working with jumpers. If you have

any doubts about the best hardware configuration for your application, contact your

local distributor or sales representative before you make any changes. Generally, you

simply need a standard cable to make most connections.

2.5 Installing SO-DIMMs

The procedures for installing SODIMMs are described below. Please follow these

steps carefully. You can install SDRAM memory modules using 200-pin SODIMMs

(Small Outline Dual In-line Memory Modules).

1. Ensure that all power supplies to the system are switched off.

2. Tilt the SODIMM card just above the board and slide it into the housing card

slot.

3. Push the module into the socket until the module gently snaps in. There should

only be a slight insertion force to engage the module into the contacts. Make

sure that the module and the housing are aligned and locked in place.

open closed closed 2-3

open

closed closed 2-3

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Advantech PCM-3353 Manual de usuario Pagina 16