CA Series for PC/104 and
CB Series for PC/104-Plus
Quick Installation Guide
Version 1.2, December 2019
Technical Support Contact Information
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Fax: +91-80-4132-1045
2019 Moxa Inc. All rights reserved.
P/N: 1802001043316
*1802001043316*
Overview
Moxa offers a wide selection of PC/104 and PC/104-Plus serial boards
that provide industrial-grade connections to multiple serial devices. The
CA Serial Board Series is for PC/104 modules while the CB Serial Board
series is for PC/104-Plus module.
Package Checklist
PC/104 or PC/104-Plus boards are shipped with the following items:
• Moxa multiport serial board (PC/104 module is for CA Series;
PC/104-Plus module is for CB Series)
• Quick installation guide (printed)
• Warranty card
Please notify your sales representative if any of the above items are
missing or damaged.
Hardware Installation
The PC/104 or PC/104-Plus MUST be plugged into the PC before the
driver is installed. Follow these steps below.
CA Series CB Series
Step 1: Turn the embedded Step 1: Turn the embedded
computer off computer off
Step 2: Set the I/O address, Step 2: Set interface
Interrupt vector, IRQ, and (Refer to section: "Block
serial interface Diagram, I/O Address,
(Refer to the section: Interrupt Vector, Serial
"Block Diagram, I/O Interface")
Address, Interrupt Vector,
Serial Interface")
Step 3: Insert the module into the Step 3: Insert the module into
PC/104 slot PC/104 slot.
Step 4: Screw the control board in Step 4: Screw the control board in
place place.
Step 5: Connect the cables Step 5: Connect the cables.
(Refer to the section: "Pin (Refer to the section: "Pin
Assignments") Assignments")
Step 6: Turn the embedded Step 6: Turn the embedded
computer on computer on.
Software Installation
Follow these steps:
Step 1: Get the driver at www.moxa.com.
Based on the OS type, choose the corresponding driver.
Step 2: Install Driver
• For Windows (Take the installation of Win7 as an example)
2.1. Unzip and execute the .exe file
2.2. Follow the instructions to install the drivers
Note: If your model is from the CB Series, then the
installation is done. Otherwise, please do the following
steps for the CA Series models.
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2.3. Follow the instructions of “Add Hardware Wizard”
2.4. Follow the instruction of “Found Hardware Wizard”.
This step is for mapping your driver and hardware
device.
2.5. Repeat steps 2.3 and 2.4 to activate the other
serial ports.
• For Linux
2.1. Get the driver at www.moxa.com and unzip the
file:
#cd /
#mkdir moxa
#cd moxa
#cp /<driver
directory>/driv_linux_smart_<version>_build_<build_
date>.tgz
#tar-zxvf
driv_linux_smart_<version>_build_<build_date>.tgz
2.2. Install the driver:
#cd mxser
#./mxinstall
2.3. Install the module driver, using the hardware
settings that you have selected
(This step is only for the CA Series)
For example: I/O address of 0x180, an INT vector of
0x1C0, and an IRQ of 10
#cd mxser
#make clean
#make install
#cd /moxa/mxser/driver
#./msmknod
#modprobe mxser ioaddr=0x180 iovect=0x1C0
irq=10
2.4. You can use the Moxa diagnostic utility to verify
the driver’s status:
#cd /moxa/mxser/utility/diag
#./msdiag
2.5 You can use the Moxa terminal utility to test the
TTY ports:
#cd /moxa/mxser/utility/term
#./msterm
Block Diagram, I/O Address, Interrupt Vector,
Serial Interface
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Block Diagrams
CA Series
CA-108
CA-104 V2
CA-114
CA-134I,
CA-132 V2,
CA-132I V2
CB Series
CB-108
CB-114
CB-134I
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I/O Address (Only for the CA Series)
Use DIP switch SW1 to set port 1’s I/O base address. The other ports
will be configured automatically.
The default I/O base address is 0×180 and allows settings from 0×000
to 0×3FF.
Some popular settings are provided below:
For example, an I/O base address of 0×180
should be set as follows:
A3 A4 A5 A6 A7 A8 A9 Hex
ON ON ON ON OFF OFF ON 0x180
The other serial ports will be set automatically
to 0×188, 0×190, 0×198, etc.
Interrupt Vector (Only for CA Series)
A3 A4 A5 A6 A7 A8 A9
8 1 2 4 8 1 2 Hex
ON ON ON ON ON ON ON 0×000
ON ON ON ON ON ON off 0×200
ON ON ON ON ON off off 0×300
ON ON ON ON off off off 0×380
ON ON ON off off off off 0×3C0
ON ON off off off off off 0×3E0
ON off off off off off off 0×3F0
off off off off off off off 0×3F8
off ON ON ON ON ON ON 0×008
off off ON ON ON ON ON 0×018
off off off ON ON ON ON 0×038
off off off off ON ON ON 0×078
off off off off off ON ON 0×0F8
off off off off off ON off 0×2F8
Use DIP switch SW2 to set port 1’s interrupt vector.
The default interrupt vector is 0×1C0, with SW2 set as follows:
A3 A4 A5 A6 A7 A8 A9 Hex
ON ON ON ON OFF OFF ON 0x1C0
-5-
Serial Interface
CA Series
CA-114
Interface RS-232 RS-422 RS-485 (4w) RS-485 (2w)
SW1 - - ON OFF
SW2 - ON OFF OFF
SW3 ON OFF OFF OFF
CA-134I, CA-132 V2, and CA-132I V2
Interface 2-wire/4-wire RS-422/RS-485
RS-422 - OFF
4-wire RS-485 OFF ON
2-wire RS-485 ON ON
CB Series
CB-114
Interface RS-232 RS-422 RS-485 (4w) RS-485 (2w)
SW1 - - ON OFF
SW2 - ON OFF OFF
SW3 ON OFF OFF OFF
CB-134I
Interface 2-wire/4-wire RS-422/RS-485
RS-422 - OFF
4-wire RS-485 OFF ON
2-wire RS-485 ON ON
Pin Assignments
RS-232
(CA-108/CB-108, CA-114/CB-114, and CA-104)
NOTE Note that there are two 40-pin box header connectors on the
CA-108/CB-108, of which each connects to 4 serial ports.
Pin Signal Pin Signal Pin Signal Pin Signal
1 DCD0 11 DCD1 21 DCD2 31 DCD3
2 DSR0 12 DSR1 22 DSR2 32 DSR3
3 RxD0 13 RxD1 23 RxD2 33 RxD3
4 RTS0 14 RTS1 24 RTS2 34 RTS3
-6-
5 TxD0 15 TxD1 25 TxD2 35 TxD3
6 CTS0 16 CTS1 26 CTS2 36 CTS3
7 DTR0 17 DTR1 27 DTR2 37 DTR3
8 – 18 – 28 – 38 –
9 GND0 19 GND1 29 GND2 39 GND3
RS-422, 4-wire RS-485
(CA-132, CA-132I, CA-114/CB-114, and CA-134I)
With regard to the CA Series, pins 21 to 40 apply to CA-114 and CA-
134I only.
Pin Signal Pin Signal Pin* Signal* Pin* Signal*
1 TxD0-(A) 11 TxD1-(A) 21 TxD2-(A) 31 TxD3-(A)
3 TxD0+(B) 13 TxD1+(B) 23 TxD2+(B) 33 TxD3+(B)
5 RxD0+(B) 15 RxD1+(B) 25 RxD2+(B) 35 RxD3+(B)
7 RxD0-(A) 17 RxD1-(A) 27 RxD2-(A) 37 RxD3-(A)
9 GND0 19 GND1 29 GND2 39 GND3
2-wire RS-485
(CA-132, CA-132I, CA-114/CB-114, and CA-134I)
With regard to the CA Series, pins 21 to 40 apply to the CA-114 and
CA-134I only.
Pin Signal Pin Signal Pin* Signal* Pin* Signal*
5 Data0+(B) 15 Data1+(B) 25 Data2+(B) 35 Data3+(B)
7 Data0-(A) 17 Data1-(A) 27 Data2-(A) 37 Data3-(A)
9 GND0 19 GND1 29 GND2 39 GND3
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