BESTEK BNX-M87, User Manual

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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.
Please see the following illustrations
The illustrations on the right
show a 2-pin jumper. 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.
Open (Off) Short (On)
These illustrations show a 3-pin
jumper. Pins 1 and 2 are SHORT.
Table 2-1: Setting Jumpers
2.3