Jumper settings – NEXCOM NSA 3130 User Manual
Page 20
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Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved. 7
NSA 3130 User Manual
Jumper Settings
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
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