Setting the system – Acrosser AR-B1320 User Manual
Page 21
A
A
R
R
-
-
B
B
1
1
3
3
2
2
0
0
U
U
s
s
e
e
r
r
’
’
s
s
G
G
u
u
i
i
d
d
e
e
3-1
3. SETTING THE SYSTEM
This section describes the pin assignments of all connectors and settings of all switches and
jumpers. It also guides you on how to expand the system and control the onboard devices.
The jumper pins allow you to set specific system parameters. Set them by changing the pin
location of jumper blocks. (A jumper block is a small plastic-encased conductor that slips over the
pins.) To change a jumper setting, remove the jumper from its current location with your fingers or small
needle-nosed pliers. Place the jumper over the two pins designated for the desired setting. Press
the jumper evenly onto the pins. Be careful not to bend the pins.
We will show the locations of the AR-B1320 jumper pins, and the factory-default settings in this
section. Note that the square pin of each jumper block is pin 1.
Below illustrates the jumper use. Jumper caps are usually small plastic caps used to short two
pins on a jumper block.
Most jumper caps look like this:
Most jumper blocks look like this:
If the jumper is placed over pins one and two then 1-2 are ON.
If the jumper is placed over pins two and three then 2-3 are ON.
Otherwise, the jumper can be left to the side or completely off the block to keep both 1-2 and 2-3
off (open).
CAUTION:
Do not touch any electronic component unless you are safely grounded. Wear a grounded
wrist strap or touch an exposed metal part of the system unit chassis. Static discharges from
your fingers can permanently damage electronic components.
A Jumper
Cap
A 3 Pin jumper
Block
Jumper on
Pins1 +
2
Jumper On
Pins 2 + 3