SETTING FACEPLATE JUMPERS
SNAP-LCSX AND LCSX-PLUS Installation Guide
8
SETTING FACEPLATE JUMPERS
The following table summarizes faceplate jumper settings. Shaded entries show default settings.
Setting the Controller Address
Each Opto 22 controller connected to a host computer must have a unique address between
1 and 255 (1 and FF hexadecimal).
The table on the following page shows possible addresses and their corresponding jumper settings. The
factory default is 1. The most significant bit is 7 and the least significant bit is 0.
NOTE: Zero is not a valid address.
COM
+5V
RX3
RX2
RXI
RX0
RUN
HOST COM
0
I/O
COM
1
SNAP
-LCSX
-PL
US
1
1
AUX1 COM
2
1
AUX2 COM
3
1
TX3
TX2
TXI
TX0
PWR
E/R
AUTO
X0
X1
H0
H1
B0
B1
B2
B3
A0
A1
A2
A3
A4
A5
A6
A7
Jumper(s)
Description
Position
Setting
E/R
EEPROM/RAM
In
Run from RAM
Out
Run from
EEPROM
Auto
Autoboot
In
Autoboot
enabled
Out
Autoboot dis-
abled
X0
Communication
In
Binary
Out
ASCII
X1
Boot Loader
In
Boot to kernel
Out
Boot to loader
H0, H1
Host Port
H0
H1
In
In
COM0
Out
In
COM1
Baud 0–3
Baud Rate
B0
B1
B2
B3
Out
In
In
In
115.2 KBd
In
Out
In
In
76.8 KBd
Out Out
In
In
57.6 KBd
In
In
Out
In
38.4 KBd
Out
In
Out
In
19.2 KBd
In
Out Out
In
9600 Bd
Out Out Out
In
4800 Bd
In
In
In
Out
2400 Bd
Out
In
In
Out
1200 Bd
In
Out
In
Out
600 Bd
Out Out
In
Out
300 Bd
Address 0–
7
Address Bits
Bit 0 In
1
Bit 1 In
2
Bit 2 In
4
Bit 3 In
8
Bit 4 In
16
Bit 5 In
32
Bit 6 In
64
Bit 7 In
128
