Copyright © 2012 NEXCOM International Co., Ltd. All rights reserved
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VMC 3000/4000 Series User Manual
Chapter 4: Jumpers and Connectors for VMC 3000 Series
Jumper
A jumper is the simplest kind of electric switch. It consists of two metal
pins and a cap. When setting the jumpers, ensure that the jumper caps are
placed on the correct pins. When the jumper cap is placed on both pins, the
jumper is
short
. If you remove the jumper cap, or place the jumper cap on
just one pin, the jumper is
open
.
Refer to the illustrations below for examples of what the 2-pin and 3-pin
jumpers look like when they are short (on) and open (off).
Two-Pin Jumpers: Open (Left) and Short (Right)
Three-Pin Jumpers: Pins 1 and 2 Are Short
1
2
3
1
2
3
