Moxa Technologies CP-118U Series User manual

Universal PCI Board User’s Manual
Multiport Serial Board for PCI and PCI-X Bus
Ninth Edition, December 2012
www.moxa.com/product
© 2012 Moxa Inc. All rights reserved.

Universal PCI Board User’s Manual
The software described in this manual is furnished under a license agreement and may be used only in accordance with
the terms of that agreement.
Copyright Notice
© 2012 Moxa Inc. All rights reserved.
Trademarks
The MOXA logo is a registered trademark of Moxa Inc.
All other trademarks or registered marks in this manual belong to their respective manufacturers.
Disclaimer
Information in this document is subject to change without notice and does not represent a commitment on the part of
Moxa.
Moxa provides this document as is, without warranty of any kind, either expressed or implied, including, but not limited
to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this manual, or to the
products and/or the programs described in this manual, at any time.
Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no responsibility for
its use, or for any infringements on the rights of third parties that may result from its use.
This product might include unintentional technical or typographical errors. Changes are periodically made to the
information herein to correct such errors, and these changes are incorporated into new editions of the publication.
Technical Support Contact Information
www.moxa.com/support
Moxa Americas
Toll
-free: 1-888-669-2872
Tel:
[phone]
Fax:
[phone]
Moxa China (Shanghai office)
Toll
-free: 800-820-5036
Tel:
[phone]
Fax:
[phone]
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Tel:
[phone]
Fax:
[phone]
Moxa Asia
-Pacific
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[phone]
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[phone]

Table of Contents
1. Introduction...................................................................................................................................... 1-1
Overview...........................................................................................................................................1-2
Applications .......................................................................................................................................1-4
Package Checklist...............................................................................................................................1-4
Product Features ................................................................................................................................1-5
Product Specifications .........................................................................................................................1-5
Installation Guide ...............................................................................................................................1-7
2. Hardware Installation ....................................................................................................................... 2-1
Overview...........................................................................................................................................2-2
Configuring the Board and Dimension....................................................................................................2-2
CP-118U/CP-118U-I.....................................................................................................................2-2
CP-138U/CP-138U-I.....................................................................................................................2-3
CP-168U ....................................................................................................................................2-5
CP-114UL/CP-114UL-I .................................................................................................................2-5
CP-134U/CP-134U-I.....................................................................................................................2-7
CP-104UL...................................................................................................................................2-8
CP-104JU ...................................................................................................................................2-9
POS-104UL.................................................................................................................................2-9
CP-112UL/CP-112UL-I ...............................................................................................................2-10
CP-132UL/CP-132UL-I ...............................................................................................................2-11
CP-102UL.................................................................................................................................2-12
CP-102U ..................................................................................................................................2-12
CP-102UF.................................................................................................................................2-13
Plugging the Board into an Expansion Slot ...........................................................................................2-14
3. Software Installation ........................................................................................................................ 3-1
Windows Drivers.................................................................................................................................3-2
Windows 7/8 (32-bit/64-bit).........................................................................................................3-2
Windows 2008/Vista (32-bit/64-bit).............................................................................................3-11
Windows 2003/XP .....................................................................................................................3-22
Windows 2000 ..........................................................................................................................3-34
Windows NT ............................................................................................................................. 3-45
Windows 95/98/ME.................................................................................................................... 3-52
Windows CE..............................................................................................................................3-61
Non Windows Driver..........................................................................................................................3-73
DOS ........................................................................................................................................3-73
Linux (32-bit/64-bit)..................................................................................................................3-77
SCO.........................................................................................................................................3-77
4. Serial Programming Tools................................................................................................................. 4-1
Overview...........................................................................................................................................4-2
Serial Programming Library..................................................................................................................4-2
PComm Utilities..................................................................................................................................4-2
Installation.................................................................................................................................4-2
PComm Diagnostic ......................................................................................................................4-3
PComm Monitor ..........................................................................................................................4-3
PComm Terminal Emulator ...........................................................................................................4-4
5. Pin Assignments................................................................................................................................ 5-1
Overview...........................................................................................................................................5-2
CP-102U............................................................................................................................................5-3
DB9 (Male): RS-232 ....................................................................................................................5-3
CP-102UL ..........................................................................................................................................5-3
DB25 (Female): RS-232...............................................................................................................5-3
CP-104JU...........................................................................................................................................5-4
8-pin RJ45: RS-232.....................................................................................................................5-4
CP-104UL ..........................................................................................................................................5-5
DB44 (Female): RS-232...............................................................................................................5-5
CP-112UL ..........................................................................................................................................5-5
DB25 (Female): RS-232...............................................................................................................5-5
DB25 (Female): RS-422...............................................................................................................5-6
DB25 (Female): RS-485 (4-wire)...................................................................................................5-6
DB25 (Female): RS-485 (2-wire)...................................................................................................5-6
CP-114UL ..........................................................................................................................................5-7
DB44 (Female): RS-232...............................................................................................................5-7
DB44 (Female): RS-422, RS-485 (4-wire) ......................................................................................5-7
DB44 (Female): RS-485 (2-wire)...................................................................................................5-8
CP-118U............................................................................................................................................5-8
DB62 (Female): RS-232...............................................................................................................5-9
DB62 (Female): RS-422, RS-485 (4-wire) ......................................................................................5-9

DB62 (Female): RS-485 (2-wire).................................................................................................5-10
CP-118U-I .......................................................................................................................................5-11
DB78 (Female): RS-232.............................................................................................................5-11
DB78 (Female): RS-422, RS-485 (4-wire) ....................................................................................5-12
DB78 (Female): RS-485 (2-wire).................................................................................................5-12
CP-132UL, CP-132UL-I...................................................................................................................... 5-13
DB25 (Female): RS-422.............................................................................................................5-13
DB25 (Female): RS-485 (4-wire).................................................................................................5-13
DB25 (Female): RS-485 (2-wire).................................................................................................5-14
CP-134U, CP-134U-I .........................................................................................................................5-14
DB44 (Female): RS-232 (Ports 1 and 2 only)................................................................................5-14
DB44 (Female): RS-422.............................................................................................................5-15
DB44 (Female): RS-485 (4-wire).................................................................................................5-15
DB44 (Female): RS-485 (2-wire).................................................................................................5-16
CP-138U..........................................................................................................................................5-16
DB62 (Female): RS-422, RS-485 (4-wire) ....................................................................................5-17
DB62 (Female): RS-485 (2-wire).................................................................................................5-17
CP-138U-I .......................................................................................................................................5-18
DB78 (Female): RS-422, RS-485 (4-wire) ....................................................................................5-18
DB78 (Female): RS-485 (2-wire).................................................................................................5-19
CP-168U..........................................................................................................................................5-19
DB62 (Female): RS-232.............................................................................................................5-20
POS-104UL ......................................................................................................................................5-20
DB44 (Female): RS-232.............................................................................................................5-20
CP-102UF ........................................................................................................................................5-21
Serial Connectors ............................................................................................................................. 5-21
DB9 (Male)...............................................................................................................................5-21
DB25 (Male) ............................................................................................................................. 5-22
DB25 (Female)..........................................................................................................................5-22
RJ45........................................................................................................................................5-23

1
1. Introduction
The following topics are covered in this chapter:

Overview

Applications

Package Checklist

Product Features

Product Specifications

Installation Guide

Universal PCI Board Introduction
1-2
Overview
Moxa Universal PCI (UPCI) multiport serial boards can be installed in PCI or PCI-X slots, and support both 3.3V
and 5V PCI/PCI-X. With a UPCI board, you can connect data acquisition equipment and other serial devices to
your PC over RS-232, RS-422, or RS-485. Each board has on-chip hardware and software flow control, a
built-in 128-byte Tx/Rx FIFO, and well-designed device drivers that have been fine-tuned. This allows Moxa
UPCI boards to support data transmission speeds of up to 921.6 Kbps.
The following UPCI multiport serial boards are available from Moxa:
8 Ports
CP
-118U:
8 ports, RS
-232/422/485
CP
-118U-T:
8 ports,
RS-232/422/485, wide temperature
CP
-118U-I:
8 ports, RS
-232/422/485, 2KV optical isolation
CP
-118-U-I-T:
8 ports, RS
-232/422/485, 2KV optical isolation, wide temperature
CP
-138U:
8 ports, RS
-422/485
CP
-138-T:
8 ports, RS
-422/485, wide temperature
CP
-138-I:
8 ports, RS
-422/485, 2KV optical isolation, wide temperature
CP
-138-U-T-I:
8 ports, RS
-422/485, 2KV optical isolation
CP
-168U:
8 ports, RS
-232
CP
-168U-T:
8 ports, RS
-232, wide temperature
4 Ports
CP
-114UL:
4 ports, RS
-232/422/485, low profile
CP
-114UL-T:
4 ports, RS
-232/422/485, low profile, wide temperature
CP
-114UL-I:
4 ports, RS
-232/422/485, low profile, 2KV optical isolation
CP
-114UL-I-T:
4 ports, RS
-232/422/485, low profile, , 2KV optical isolation, wide temperature
CP
-134U:
4
ports, RS-422/485
CP
-134U-T:
4 ports, RS
-422/485, wide temperature
CP
-134U-I:
4 ports, RS
-422/485, 2KV optical isolation
CP
-134U-I-T:
4 ports, RS
-422/485, 2KV optical isolation, wide temperature
CP
-104UL:
4 ports, RS
-232, low profile
CP
-104UL-T:
4
ports, RS-232, low profile, wide temperature
CP
-104JU:
4 ports, RS
-232, 8-pin RJ45 connector on-board
CP
-104JU-T:
4 ports, RS
-232, 8-pin RJ45 connector on-board, wide temperature
POS
-104UL:
4 ports, RS
-232, low profile, serial port powered
POS
-104UL-T:
4 ports, RS
-232, low profile, serial port powered, wide temperature
2 Ports
CP
-112UL:
2 ports, RS
-232/422/485, low profile
CP
-112UL-T:
2 ports, RS
-232/422/485, low profile, wide temperature
CP
-112UL-I:
2 ports, RS
-232/422/485, low profile, 2KV optical isolation
CP
-112UL-I-T:
2 ports, RS
-232/422/485, low profile, 2KV optical isolation
CP
-132UL:
2 ports, RS
-422/485, low profile
CP
-132UL-T:
2 ports, RS
-422/485, low profile, wide temperature
CP
-132UL-I:
2 ports, RS
-422/485, low profile, 2KV optical isolation
CP
-132UL-I-T:
2 ports, RS
-422/485, low profile, 2KV optical isolation, wide temperature
CP
-102UL:
2 ports, RS
-232, low profile
CP
-102UL-T:
2 ports, RS
-232, low profile, wide temperature
CP
-102U:
2 ports, RS
-232
CP
-102U-T:
2 ports, RS
-232, wide temperature
CP
-102UF:
2 ports, Serial
-over-fiber board

Universal PCI Board Introduction
1-3
Smartio—The Smart Multiport Async Solution
The Smartio Series of multiport serial boards includes the CP-168U, CP-104UL, CP-104JU, POS-104UL,
CP-102UL, and CP-102U. These boards provide RS-232 serial ports for connecting terminals, modems, printers,
scanners, cash registers, bar code readers, keypads, numeric displays, electrical scales, data acquisition
equipment, and many other serial devices to a PC. These boards are a reliable, high-performance solution for
multiport serial communication.
Industio—The Industrial Multiport Async Solution
The Industio Series of multiport serial boards includes the CP-118U-I, CP-118U, CP-138U-I, CP-138U,
CP-114UL, CP134U, CP-134U-I, CP-132UL, and CP-132UL-I. These boards are designed for industrial use, with
serial ports that can be configured independently for RS-232, RS-422, or RS-485 operation. Industio boards
provide a reliable communication link over distances of up to 4000 ft and support point-to-point full-duplex or
multi-drop half-duplex. With RS-485 operation, a single port can connect to 32 devices in a multi-drop
environment.
ADDCTM (Automatic Data Direction Control) for RS-485
ADDC™ (Automatic Data Direction Control) makes it easier to manage 2-wire RS-485 half-duplex connections,
eliminating the need for software interference. This means that it is not necessary to write extra code for
Windows applications to control the half-duplex protocol. ADDC intelligence is built into Industio boards.
Serial-over-fiber Board
The CP-102UF is a serial-over-fiber board designed for industrial automation applications that require a long
distance, multi-point, PC-based data acquisition solution. The single-mode model (CP-102UF-S) can transmit
up to 40 km, and the multi-mode model (CP-102UF-M) can transmit up to 5 km. For many industrial
applications, an even bigger benefit is that optical fiber isolates the data from dangerous increases in ground
potential, ground loops, and electrical EMI/RFI electromagnetic radiation.
Built-in Termination Resistors for RS-422 and RS-485
Industio boards have termination resistors built-in, eliminating the headaches involved in determining the
proper impedance for the resistors. For additional information, please refer to Chapter 2.
ESD and Isolation Protection
Certain models include TVSS (Transient Voltage Surge Suppressor) technology to help prevent damage due to
lightning or high potential voltage. Optical isolation (2000V) and embedded protection (max. ESD of 16 KV,
max. EFT of 2 KV) are also available with certain models. These features help provide protection in critical or
harsh factory-type environments.
PCI Solution
UPCI boards comply with PCI Spec. 2.1 and do not require switches or jumpers. IRQ and I/O address is
automatically assigned by the PCI BIOS. This means that the board must be physically installed in the computer
first before the driver software is installed.

Universal PCI Board Introduction
1-4
Universal PCI
For maximum compatibility with the PCI local bus specification, UPCI boards support both 3.3V and 5V PCI
connector types. The 32/64-bit PCI local bus specification specifies both a 3.3V/5V and 32/64-bit slot.
Operating System Support
Moxa UPCI boards are compatible with most major industrial platforms, including Windows, DOS, and Linux.
Drivers are provided for smoother installation, configuration, and performance. This manual provides separate
sections for the different operating systems that are supported.
Moxa Serial Communication Tools
For application development, Moxa provides a serial communication library for Windows called PComm. This
library can help you develop your own applications in Visual Basic, Visual C++, Borland Delphi, and more.
Utilities are included for debugging, monitoring communication status, terminal emulation, and file transfer.
Applications
UPCI boards are suitable for many industrial applications, including the following:
•Multipoint data acquisition
•Factory automation
•Critical industrial control
•Remote serial device control
•Internet/intranet connections
•Remote access applications
•Multi-user applications
•Industrial automation
•Office automation
•Telecommunications
•PC-based vending machines or kiosk systems
•POS (Point-of-Sale) systems
Package Checklist
UPCI boards are shipped with the following items:
•1 Moxa UPCI multiport serial board
•Low profile bracket (low profile models only)
•Document & Software CD
•Quick Installation Guide
•5-year Product Warranty statement
NOTE: Notify your sales representative if any of the above items is missing or damaged. For information on
optional accessories for each model, please refer to Chapter 5.

Universal PCI Board Introduction
1-5
Product Features
Moxa UPCI boards enjoy the following features:
•Over 700 Kbps data throughput for top performance
•Serial communication speed up to 921.6 Kbps
•128-byte FIFO and on-chip hardware and software flow control
•Universal PCI supporting 3.3V PCI, 5V PCI and PCI-X
•Driver support for Windows, Windows CE, Windows XP Embedded, DOS, Linux, FreeBSD, QNX SCO
OpenServer, UnixWare7
•On-board 15 KV ESD protection
•Low profile for compact-sized PCs (on “L” models only)
•2 KV optical isolation protection (on “I” models only)
•-40 to 85°C wide temperature (on “T” models only)
Product Specifications
Hardware
I/O Controller:
MU860 (compatible with 16C550C)
Connector Type:
CP
-118U-I:
Female DB78
CP
-118U:
Female DB62
CP
-138U-I:
Female DB78
CP-138U:
Female DB62
CP
-168U :
Female DB62
CP
-114UL/CP-114UL-I:
F
emale DB44
CP
-134U/CP-134U-I :
Female DB44
CP
-104UL :
Female DB44
CP
-104JU :
8
-pin RJ45
POS
-104UL:
Female DB44
CP
-112UL/CP-112UL-I:
Female DB25
CP
-132UL/CP-112UL-I:
Female DB25
CP
-102UL:
Female DB25
CP-102U:
Male DB9
CP
-114UL:
Female DB44
CP
-134U :
Female DB44
CP
-134U-I :
Female DB44
CP
-132UL :
Female DB25
CP-132UL-I :
Female DB25
CP
-102UF:
ST type

Universal PCI Board Introduction
1-6
Interface
Bus:
32
-bit Universal PCI
No. of Ports:
8 Ports:
CP
-118U/CP-118U-I
CP
-138U/CP-138U-I
CP
-1168U
4 Ports:
CP
-114UL/CP-114UL-I
CP
-134U/CP-134U-I
CP
-104UL/CP-104JU
POS
-104UL:
2 Ports:
C
P-112UL/CP-112UL-I
CP
-132UL/CP-132UL-I
CP
-102UL
CP
-102U/CP-102UF
Max. No. of Boards:
4
Signals
RS
-232:
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS
-422:
TxD+(B), TxD
-(A), RxD+(B), RxD-(A), GND
4
-wire RS-485:
TxD+(B), TxD
-(A), RxD+(B), RxD-(A), GND
2
-wire RS-485:
Data+(B),
Data-(A), GND
Performance
Baudrate:
50 bps to 921.6 Kbps
Configuration
Parity:
None, Even, Odd, Space, Mark
Data Bits:
5, 6, 7, 8
Stop Bits:
1, 1.5, 2
I/O Address, IRQ:
Assigned by BIOS
FIFO:
128 bytes
Flow Control:
RTS/CTS, XON/XOFF
Driver
Support:
Windows 2012 x64, 8 x86/x64
Windows 7 x86/x64
Windows 2000
Windows XP/2003/Vista/2008 (x86
/x64)
Linux 2.4
Linux 2.6 (x86
/x64)
Complete driver support information is available at
www.moxa.com in the
Download center
.
Power Output:
5V/12V (POS
-104UL only)
Power and Environment
Operating Temperature:
0 to 55°C (32 to 131°F)
Operating Humidity:
5 to 95% RH
Storage Temperature:
-
40 to 85°C (-40 to 185°F)
Protection:
Embedded 15 KV ESD protection
Certifications
Approved:
EN55022 Class B, EN55024, EN61000
-3-2, EN61000-3-3, IEC61000-4-2,
IEC61000
-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-8,
IEC61000
-4-11, FCC Part 15 Class B
Warranty
5 years

Universal PCI Board Introduction
1-7
Installation Guide
UPCI board installation can be divided into six steps as follows:
Step 1:
Select serial transmission mode
.
For certain models, you will need to set onboard DIP switches to s
elect the serial
transmission mode
for each port.
This applies to the CP-118U-I, CP-138U-I, CP-118U, CP-138U, CP-114UL,
CP
-114UL-I, CP-134U, CP-134U-I, CP-112UL, CP-112UL-I, CP-132UL, CP-132UL-I, POS-
104UL, and
CP
-102UF. For details, please refer to Chapter 2.
Step 2:
Install board
.
UPCI
boards are installed in an open PCI or PCI-X expansion slot on the PC. For detai
ls, please refer
to
Chapter 2.
Step 3:
Install drivers and configure board
For details, please refer to
Chapters 3 through 8.
Step 4:
Connect
your serial devices to the board’s serial ports
For details, please refer to
Chapter 10.
Step 5:
Restart system and
verify driver initialization
For details, please refer to
Chapters 3 through 8.
Step 6:
Develop and run your serial communication application
For details, please refer to
Chapter 9.

2
2. Hardware Installation
The following topics are covered in this chapter:

Overview

Configuring the Board and Dimension
CP-118U/CP-118U-I
CP-138U/CP-138U-I
CP-168U
CP-114UL/CP-114UL-I
CP-134U/CP-134U-I
CP-104UL
CP-104JU
POS-104UL
CP-112UL/CP-112UL-I
CP-132UL/CP-132UL-I
CP-102UL
CP-102U
CP-102UF

Plugging the Board into an Expansion Slot

Universal PCI Board Hardware Installation
2-2
Overview
This chapter explains the hardware installation procedure in detail. Since the BIOS automatically assigns the
IRQ number and I/O addresses, you will need to install the board before you install the drivers. You can install
up to 4 UPCI boards in one system, as long as sufficient I/O address and IRQ number resources are available.
Configuring the Board and Dimension
8 Ports
CP-118U/CP-118U-I

Universal PCI Board Hardware Installation
2-3
Onboard termination resistors can be activated individually for each serial port using jumpers JP1 through JP8.
For CP-118U-I, JP1/2/3/4/5/6/7/8 corresponds to serial port 1/2/3/4/5/6/7/8, respectively. For CP-118U,
JP1/2/3/4/5/6/7/8 corresponds to serial port 8/7/6/5/4/3/2/1, respectively. Short the jumper pins to activate
the termination resistor; leave the jumper pins open to bypass the termination resistor.
The onboard DIP switches, S1, S2, and S3, are used to select RS-232, RS-422, or RS-485 mode for each serial
port. There are 8 switches on each bank corresponding to the 8 serial ports. S3 selects between RS-232 and
RS-422/485, S2 selects between RS-422 and RS-485, and S1 selects between 2-wire and 4-wire RS-485, as
follows:
Mode S1 S2 S3
RS-232 --- --- ON
RS-422 --- ON OFF
4-wire RS-485 ON OFF OFF
2-wire RS-485 OFF OFF OFF
CP-138U/CP-138U-I

Universal PCI Board Hardware Installation
2-4
Onboard termination resistors can be activated individually for each serial port using jumpers JP1 through JP8.
For CP-138U-I, JP1/2/3/4/5/6/7/8 corresponds to serial port 1/2/3/4/5/6/7/8, respectively. For CP-138U,
JP1/2/3/4/5/6/7/8 corresponds to serial port 8/7/6/5/4/3/2/1, respectively. Short the jumper pins to activate
the termination resistor; leave the jumper pins open to bypass the termination resistor.
The onboard DIP switches, S1 and S2, are used to select RS-422 or RS-485 mode for each serial port. There are
8 switches on each bank corresponding to the 8 serial ports. S2 selects between RS-422 and RS-485; S1
selects between 2-wire and 4-wire RS-485, as follows:
Mode S1 S2
RS-422 --- ON
4-wire RS-485 ON OFF
2-wire RS-485 OFF OFF

Universal PCI Board Hardware Installation
2-5
CP-168U
This board does not require configuration.
4 Ports
CP-114UL/CP-114UL-I

Universal PCI Board Hardware Installation
2-6
Onboard termination resistors can be activated individually for each serial port using jumpers JP1 through JP4.
For CP-114UL, JP1/2/3/4 corresponds to serial port 1/2/3/4, respectively. For CP-114UL-I, JP1/2/3/4
corresponds to serial port 4/3/2/1, respectively. Short the jumper pins to activate the termination resistor;
leave the jumper pins open to bypass the termination resistor.
The onboard DIP switches, S1, S2, and S3, are used to select RS-232, RS-422, or RS-485 mode for each serial
port. Switches 1 through 4 on each bank correspond to the 4 serial ports. S3 selects between RS-232 and
RS-422/485, S2 selects between RS-422 and RS-485, and S1 selects between 2-wire and 4-wire RS-485, as
follows:
Mode S1 S2 S3
RS-232 --- --- ON
RS-422 --- ON OFF
4-wire RS-485 ON OFF OFF
2-wire RS-485 OFF OFF OFF

Universal PCI Board Hardware Installation
2-7
CP-134U/CP-134U-I
Onboard termination resistors can be activated individually for each serial port using jumpers JP1 through JP4.
For CP-134U, JP1/2/3/4 corresponds to serial port 1/2/3/4, respectively. For CP-134U-I, JP1/2/3/4
corresponds to serial port 4/3/2/1, respectively. Short the jumper pins to activate the termination resistor;
leave the jumper pins open to bypass the termination resistor.
The onboard DIP switches, S1 and S2, are used to select RS-422 or RS-485 mode for each serial port. Switches
1 through 4 on each bank correspond to the 4 serial ports. S2 selects between RS-422 and RS-485; S1 selects
between 2-wire and 4-wire RS-485. In addition, ports 1 and 2 can be set individually to RS-232 mode using the
on-board 30-pin jumpers, as follows:

Universal PCI Board Hardware Installation
2-8
RS
-422 or RS-485 mode:
Use the jumper to cover the left
two columns of jumper pins.
RS
-232 mode:
Use the jumper to cover the right
two columns of jumper pins.
CP-104UL
This board does not require configuration.

Universal PCI Board Hardware Installation
2-9
CP-104JU
This board does not require configuration.
POS-104UL
The onboard jumpers are used to specify the pin 9 power signal for each serial port.
Step
a
The top row of jumper pins selects the
source of 12V power;
the bottom row of jumper pins selects the source of 5V
power:
Bus power External power
If 5V or 12V external power is enabled, you will need to connect the cable from the back of POS-104UL to the
PC’s power supply. Remove both jumpers to disable all power signals to all ports.
Step
b
For each serial port, a set of 5 jumper
pins is used
select the power signal that
is sent to pin 9.
5V 12V RI signal (input)
To disable pin 9 power signals for a specific port, remove the jumper.