Connect Tech Inc.
Industrial Strength Communications
Titan/cPCI
Multi-port Serial Communications
Adapters
User Manual
Connect Tech Inc
42 Arrow Road
Guelph, Ontario
N1K 1S6
Tel: 519-836-1291
Toll:800-426-8979 (North America only)
Fax: 519-836-4878
Email: [email protected]
FTP: //ftp.connecttech.com
CTIM-00009, Revision 0.00 September 24 2001
Part Number: MAN090
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Warranty
i
Limited Warranty
Connect Tech Inc. warrants to the original purchaser of this
Connect Tech hardware product that it is to be in good working
order for a period of one year from the date of purchase from
Connect Tech Inc. or an authorized Connect Tech dealer. Should
this product, in Connect Tech Inc.'s opinion, fail to be in good
working order during the warranty period, Connect Tech Inc. will,
at its option, repair or replace this product at no charge, provided
that the product has not been subjected to abuse, misuse, accident,
disaster or non Connect Tech Inc. authorized modification or
repair.
You may obtain Limited Warranty service by delivering this
product to an authorized Connect Tech dealer or to Connect Tech
Inc. along with proof of purchase. If this product is shipped, you
agree to insure the product or assume risk of loss or damage in
transit, and to prepay shipping charges to the warranty repair
location.
The above warranty is the only warranty authorized by Connect
Tech Inc. UNDER NO CIRCUMSTANCES WILL
CONNECT TECH INC. BE LIABLE IN ANY WAY FOR
ANY DAMAGES, INCLUDING ANY LOST PROFITS,
LOST SAVINGS OR OTHER INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OF, OR INABILITY TO USE, SUCH PRODUCT.
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ii
Copyright/Trademark
Copyright Notice
The information contained in this document is subject to change
without notice. Connect Tech shall not be liable for errors
contained herein or for incidental consequential damages in
connection with the furnishing, performance, or use of this
material. This document contains proprietary information that is
protected by copyright. All rights are reserved. No part of this
document may be photocopied, reproduced, or translated to
another language without the prior written consent of Connect
Tech, Inc.
Copyright 2001 by Connect Tech, Inc.
Trademark Acknowledgment
Connect Tech, Inc. acknowledges all trademarks, registered
trademarks and/or copyrights referred to in this document as the
property of their respective owners.
Not listing all possible trademarks or copyright acknowledgments
does not constitute a lack of acknowledgment to the rightful
owners of the trademarks and copyrights mentioned in this
document.
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Contents
iii
Table of Contents
Chapter 1: Introduction
Introduction ............................................................................................1-1
Manual Overview ...................................................................................1-1
Conventions & Symbols ...............................................................1-2
Product Overview...................................................................................1-3
Titan/cPCI Adapters......................................................................1-3
Features ...............................................................................1-3
Titan/cPCI Software......................................................................1-5
Customer Service Overview...................................................................1-5
RMA Overview ......................................................................................1-8
Chapter 2: Hardware Installation
Introduction ............................................................................................2-1
Configuration..........................................................................................2-1
Baud Rate Selection......................................................................2-1
RS-485/422 Line Interface............................................................2-2
Full Duplex Mode ...............................................................2-2
Half Duplex Mode...............................................................2-2
Multi-drop Slave Mode .......................................................2-2
Line Termination.................................................................2-2
Installing the Titan/cPCI Adapter in your System .................................2-3
Chapter 3: Software Installation
Introduction ............................................................................................3-1
Chapter 4: Appendices
Appendix A: Specifications....................................................................4-1
Operating Environment.................................................................4-1
Power Requirements.....................................................................4-1
CompactPCI Bus Interface ...........................................................4-1
Communications ...........................................................................4-1
Control Signals..............................................................................4-1
Surge Suppression.........................................................................4-1
Dimensions ...................................................................................4-2
Connectors/Interface.....................................................................4-2
Titan/cPCI Part Numbers..............................................................4-2
Certification ..................................................................................4-3
FCC .....................................................................................4-3
DOC/IC ...............................................................................4-3
........................................................................................4-3
General ................................................................................4-3
Appendix B: Connectors/Pinouts ...........................................................4-5
Connector Pinouts.........................................................................4-5
Appendix C: Factory Settings ................................................................4-7
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iv
Contents
Chapter 4: Appendices (continued)
Appendix D: RS-485/422 Line Interface ...............................................4-9
Electrical Interface Selection........................................................4-9
Full Duplex Mode.......................................................................4-10
Half Duplex RS-485 ...................................................................4-10
Multi-drop Slave Mode...............................................................4-10
Line Termination ........................................................................4-11
RS-485/422 Cable Wiring...........................................................4-13
List of Tables
Table 1: DB-9 cable connector pinouts..................................................4-5
Table 2: DB-37 cable connector pinouts................................................4-6
List of Figures
Figure 1: Titan/cPCI adapters.................................................................1-4
Figure 2: Titan/cPCI – 10 port configuration.........................................1-5
Figure 3: Problem summary sheet..........................................................1-6
Figure 4: RS-485/422 partial schematic...............................................4-11
Figure 5: RS-485/422 wiring diagram (4 wire)....................................4-13
Figure 6: RS-485/422 wiring diagram (2 wire)....................................4-14
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Chapter 1: Introduction
1-1
Introduction
This section contains an overall description of the Titan/cPCI
manual, the Titan/cPCI product, Connect Tech’s technical
services, Return Merchandise Authorization and warranty repair
policies. The organization of the information is as follows:
„
„
„
Manual Overview - describes the structure of the manual and
the conventions the manual uses.
Product Overview - describes the Titan/cPCI, its features and
specifications.
Customer Services Overview - describes the various
customer support services available to users of Connect Tech
products.
„
RMA Overview - describes the RMA policy and procedures
for all Connect Tech products.
Manual Overview
The purpose of the Titan/cPCI User's Manual is to help you install
the Titan/cPCI as effortlessly as possible. The manual includes
four main sections:
„
Introduction - the section you are currently reading covers the
Titan/cPCI features; Connect Tech's customer services; and
return merchandise authorization (RMA) policies and
procedures.
„
„
Hardware Installation - describes installation of the
Titan/cPCI adapter.
Software Installation - discusses the installation of the
Titan/cPCI device drivers under various operating systems.
Note:
We recommend that you read both the Hardware
Installation and Software Installation sections before you
attempt to install the Titan/cPCI adapter.
„
Appendices - the appendices contain information on
electrical pinouts, product specifications such as power
requirements; and other technical information.
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1-2
Chapter 1: Introduction
Conventions & Symbols
This manual uses the following conventions:
„
In most cases the font for file names and command
statements is Arial Narrow Bold in 9pt. An example is:
Device=Titan/cPCI.sys P=280 P=288
„
„
„
Note: the "Note" convention informs you of important
messages, exceptions, or special cases.
Example: the "Example" convention outlines hardware
and software installation examples.
Technical Tip: the "Technical Tip" convention offers
technical tips to assist you in hardware and software
installation or problems
„
„
WARNING
The "Warning" convention advises you to take certain
precautions in order to avoid possible damage to your
Connect Tech product.
This message warns you that your Connect Tech product is
very sensitive to static electricity. Make sure that before
handling the product you practice proper ESD procedures.
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Chapter 1: Introduction
1-3
Product Overview
The Titan/cPCI adapters are high performance multi-port serial
adapters that allow you to connect up to 4 serial devices through
one expansion slot.
Your Titan/cPCI product consists of the following components:
„
„
„
Titan/cPCI adapter
Cable harness (optional with four port models only)
Titan/cPCI device drivers
Titan/cPCI Adapters
Titan/cPCI adapters provide the high-speed interfaces between a
host computer’s CompactPCI bus and multiple external serial
devices. Titan/cPCI adapters include features such as:
Features
„
„
„
2 or 4 asynchronous serial ports from one slot.
RS-232 and RS-485/422 interfaces.
Titan/cPCI offers full RS-485/422 support in hardware. The
modes are as follows:
Full Duplex Mode
Half Duplex Mode
Multi-drop Slave Mode
„
„
16C950 UARTs control two or four ports.
Each port on a Titan/cPCI adapter has independent baud rate
selection offering baud rates from 50 bps to 1.8342 Mbps
(RS-485/422) or 230.4 Kbps (RS-232), with 5, 6, 7 or 8 data
bits and 1, 1.5, 2 stop bits, odd, even, mark and space parity.
„
„
Titan/cPCI adapters come with TransGuardTransient
Voltage Suppression (surge suppression – IEC 1000-4
compatible), able to withstand multiple strikes on every
signal of every port.
Titan/cPCI adapters offer CompactPCI rear I/O capability.
Please contact your Connect Tech Sales representative for
further information concerning the available rear I/O options
for your Titan/cPCI adapter.
„
„
System requirements are one 3U CompactPCI compatible
slot
You can install any number of Titan/cPCI adapters that your
system can accommodate.
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1-4
Chapter 1: Introduction
Figure 1 shows the locations of various hardware components
found on Titan/cPCI adapters.
Figure 1: Titan/cPCI adapters
Titan/cPCI-2 Adapter
Line Termination/Bias
Jumper blocks JC, JD
½ Duplex Control
Jumper Block JA
Rear I/O
Connector
DB9
Connector
Port 2
DB9
Connector
Port 1
CompactPCI
Bus Connector
PCI 954
RS-232 Select
Quad UART
Jumper Block JB
Ejector
Handle
Titan/cPCI-4 Adapter
Jumper blocks
JC, JD, JE, JF
½ Duplex Control
Jumper Block JA
Rear I/O
Connector
DB37
Connector
CompactPCI
Bus Connector
RS-232 Select
PCI 954
Jumper Block JB
Quad UART
Ejector
Handle
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Chapter 1: Introduction
1-5
You can combine different Titan/cPCI adapters in a single
computer to accommodate both small and large multi-channel
applications. Figure 2 below represents a sample configuration
for a system requiring 10 ports.
Figure 2: Titan/cPCI- 10 port configuration
Titan/cPCI-2
Printer
Printer
Printer
Modem
Modem
Titan/cPCI-4
Titan/cPCI-4
Terminals
Terminals
Modem
Host Computer
Titan/cPCI Software
To install your Titan/cPCI adapter under different operating
systems see Chapter 3: Software Installation.
Customer Service Overview
If you experience difficulties after reading the manual and using
the product, contact the Connect Tech reseller from which you
purchased the product. In most cases the reseller can help you
with product installation and difficulties.
In the event that the reseller is unable to resolve your problem, our
highly qualified support staff can assist you. Please refer to and
complete the problem summary sheet found in Figure 3 before
contacting us. You may also submit your technical problem
online using our problem submission form found at:
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1-6
Chapter 1: Introduction
Figure 3: Problem summary sheet
Problem Description
Connect Tech Product Description
Product:
Revision no.:
Product serial no.:
No. of serial ports:
Base address selected:
IRQ selected:
I/O port address selected:
Device driver:
System Description
Revision no.:
Revision no.:
Operating system:
System type & manufacturer:
Amount of RAM:
Video adapter:
CPU type/speed:
Settings:
Network adapter:
Settings:
Hard disk adapter:
Tape adapter:
Settings:
Settings:
Other serial adapters
Other adapters:
Settings:
Settings:
Devices connected to ports:
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Chapter 1: Introduction
1-7
We offer three ways for you to contact us:
Mail/Courier
You may contact us by letter and our mailing address for
correspondence is:
Connect Tech Inc.
c/o Customer Service
42 Arrow Road
Guelph, Ontario
Canada N1K 1S6
Email/Internet
You may contact us through the Internet. Our email, FTP and
HTTP addresses on the Internet are:
Note:
1. You can submit your technical support questions to our
customer support engineers via our Internet email address
OR
2. You can refer to our knowledge database found in the
Customer Support section of our World Wide Web site.
OR
3. You can fill out the problem summary form, found in the
Customer Support section of our World Wide Web site and
submit it to our customer support engineers via the Web.
OR
4. You can obtain the latest versions of software drivers and
manuals from the Customer Support section of our World
Wide Web site or from the /pub section on our FTP site.
Telephone/Facsimile
Customer Support representatives are ready to answer your call
Monday through Friday, from 9:00 a.m. to noon and 1:00 p.m. to
5:00 p.m. Eastern Standard Time. Our numbers for calls are:
Telephone: 800-426-8979 (North America only)
Telephone: 519-836-1291
Facsimile 519-836-4878 (on-line 24 hours)
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1-8
Chapter 1: Introduction
RMA Overview
Connect Tech products requiring warranty or non-warranty
repairs need an RMA number. To obtain a Return Merchandise
Authorization (RMA) Number please contact:
Connect Tech Inc.
Technical Support
42 Arrow Road
Guelph, Ontario, Canada N1K 1S6
Phone: 519-836-1291
Toll: 800-426-8979 (North America only)
Facsimile: 519-836-4878
Email: [email protected]
FTP: ftp.connecttech.com
Once you have obtained an RMA number please follow these steps:
1. Include with the product:
proof of purchase (including date of purchase)
serial number
problem description
RMA number.
2. Clearly display the RMA number on the external packaging.
3. International customers must state on all shipping documents
and packages, “Canadian Goods in Origin being returned for
in/out of warranty repair”.
4. Please refer to the Limited Warranty for further restrictions or
requirements.
Note:
1. Please pack the item for repair securely and ship it prepaid
and insured. Connect Tech is not liable for damage or loss
to the product due to shipping.
2. Connect Tech will not accept items for repair without an
RMA number.
3. Connect Tech will not accept items for repair shipped freight
collect.
Your Titan/cPCI adapter is very sensitive to static electricity.
Make sure you wear an anti-static wristband before you remove
the adapter from your computer. When you remove the board
from your computer, handle it only by the edges and place it on
the anti-static bag or an anti-static mat
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Chapter 2: Hardware Installation
2-1
Hardware Installation
Introduction
Hardware installation involves configuration of the following
Titan/cPCI products:
„
The Titan/cPCI-2 /cPCI-4 adapters
Note: Please refer to Chapter 3: Software Installation for
installation of your Titan/cPCI board under certain operating
systems.
Configuration
Compact Peripheral Component Interconnect (cPCI) bus
architecture offers a feature called Plug and Play (sometimes
referred to as PnP). This feature automatically identifies and
configures installed devices each time the system boots.
In most CompactPCI compliant computers, the system BIOS will
automatically detect and configure the Titan/cPCI adapter.
However in some cases a system BIOS cannot resolve all of the
requests for resources in the system. This often occurs with the
assignment of system interrupts, since this is usually the scarcest
resource.
If this occurs, the driver will signal that a given resource has not
been assigned, which requires the user to assign system resources
manually. After reboot, determine with the BIOS setup utility
what resources have been assigned to the cPCI devices and then
do manual assignments of free resources to your cPCI device.
Reboot your system. If the BIOS cannot find a suitable
configuration please contact Connect Tech Technical Support.
Baud Rate Selection
Titan/cPCI adapters offer ideal solutions for applications
requiring serial communications up to 1.8432 Mbps. Baud rates
are software selectable, so therefore please refer to Chapter 3:
Software Installation for configuring the baud rates under
certain operating systems.
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2-2
Chapter 2: Hardware Installation
RS-485/422 Line Interface
The Titan/cPCI adapters come with a jumper selectable RS-
485/422 electrical line interface for each port. The RS-485/422
electrical interface is a reliable high-speed serial link that offers
superior noise immunity and multi-drop network connectivity.
The RS-485/422 electrical interface is also a superset of the RS-
422 electrical interface. Titan/cPCI adapters offer full RS-
485/422 support in hardware. The support is:
Full Duplex Mode
In this mode, TxD & RxD are active all the time. This mode is
typically used in point to point situations much like RS-232.
Please refer to Appendix D: RS-485/422 Line Interface for the
jumper settings associated with this function.
Half Duplex Mode
In this mode the TxD line driver is enabled only when data is
transmitted and RxD is disabled when data is being transmitted.
This mode is typically used in either point to point "2 wire"
connections OR in multi-drop "2 wire" bussed connections.
Please refer to Appendix D: RS-485/422 Line Interface for the
jumper settings associated with this function.
Multi-drop Slave Mode
In this mode the TxD line driver is enabled only when data is
transmitted and RxD is enabled all the time. This mode is
typically used in multi-drop "4 wire" connections. Please refer to
Appendix D: RS-485/422 Line Interface for the jumper settings
associated with this function.
Line Termination
You can terminate and bias TxD ±, RxD ±, RTS ±, and CTS ± on
the individual RS-485/422 ports through jumper selectable 150
Ω fixed resistors. Please refer to Appendix D: RS-485/422 Line
Interface for the jumper settings associated with this function.
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Chapter 2: Hardware Installation
2-3
Installing the Titan/cPCI Adapter in your System
To install your Titan/cPCI adapter in your computer follow these
steps:
Your Titan/cPCI adapter is very sensitive to static electricity.
Make sure you wear an anti-static wristband before you remove
the card from the anti-static shipping bag. When you remove the
board from the anti-static bag, handle it only by the edges and
place it on the anti-static bag or an anti-static mat.
1. Turn the power off to your computer.
2. Remove the Titan from its packaging, and remove the
protective rubber from the alignment pins on the Titan’s front
panel.
3. Insert your Titan/cPCI into an available 3U slot. The black
handle on the front panel should be on the bottom, in the
lowered position.
4. Push the Titan into the cPCI slot until the handle mates with
the card cage. Lift the handle to lock the Titan into place.
4. With a screwdriver, fasten the screw on the top of the panel
into the card cage for added mechanical security.
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Chapter 3: Software Installation
3-1
Software Installation
Introduction
Your Titan/CPCI adapter may ship with diskettes that include
README files. Please examine these files for technical tips or
release notes concerning installation and configuration of various
device drivers and software utilities. If you require further
information please contact Connect Tech Customer Support.
Before installing the Titan/cPCI software device driver, verify and
note jumper settings described in Appendix D: RS-485/422 Line
Interface for:
„
Jumper block JA – Full duplex, half duplex and multi-drop
slave control
„
„
Jumper block JB – RS-232, RS-485/422 select
Jumper blocks JC, JD, JE and JF – line bias/termination.
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Chapter 4: Appendices – Specifications
4-1
Appendix A: Specifications
Operating Environment
„ Storage temperature: -65° C - 150° C
„ Operating temperature: 5° C to 70° C
„ Relative humidity: 5 - 95% non-condensing
„ Air movement: no requirement
„ Altitude:
15,000 feet (5000 metres)
Power Requirements
„ Titan-2/cPCI: +5 VDC +/-5% @ 350 mA (typical)
„ Titan-4/cPCI: +5 VDC +/-5% @ 550 mA (typical)
CompactPCI Bus Interface
„ One 3U cPCI slot
Communications
„ UARTs
• 16C950 UARTs c/w 128 byte TxD/RxD FIFO buffers
„ RS-232
• Programmable baud rate generator: up to 230.4 Kbps on all
ports
„ RS-485/422
• Programmable baud rate generator: up to 1,843.2 Kbps on
all ports
Control Signals
„ RS-232
RTS; DTR; TxD; DCD; CTS; RxD, DSR, RI
„ RS-485/422
RTS ; TxD ; CTS ; RxD
Surge Suppression
„ TransGuardTransient Voltage Suppression, able to withstand
multiple strikes on every signal of every port.
„ Transient Energy dissipation 0.1 joules on every signal of every
port
„ Transient peak current dissipation 40A on every signal of every
port
„ EN61000-4-2/3/4 compatible
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4-2
Chapter 4: Appendices – Specifications
Dimensions
„ 3U cPCI compliant
Connectors/Interface
„
Titan-2/cPCI:
Male DB-9
„
Titan-4/cPCI:
Optional cable harness with DB-37 to four male DB-9
connectors
Other connection options are available upon request. Contact Connect
Tech for details.
Titan/cPCI Part Numbers
TN029000000 Titan-2/cPCI, 2 ports, RS232/485, front I/O,
male DB9
TN029100000 Titan-2/cPCI, 2 ports, RS232/485,
surge suppression
TN049000000 Titan-4/cPCI, 4 ports, RS232/485,
front I/O, no cable
TN049000001 Titan-4/cPCI, 4 ports, RS232/485,
front I/O, with male DB9 cable
TN049000003 Titan-4/cPCI, 4 ports, RS232/485,
front I/O, with male DB25 cable
TN049100000 Titan-4/cPCI, 4 ports, RS232/485, front I/O,
surge suppression, no cable
TN049100001 Titan-4/cPCI, 4 ports, RS232/485, front I/O,
surge suppression, with male DB9 cable
TN049100003 Titan-4/cPCI, 4 ports, RS232/485, front I/O,
surge suppression, with male DB25 cable
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Chapter 4: Appendices – Specifications
4-3
Certification
Titan/cPCI-2; Titan/cPCI-4
FCC
This equipment complies with the requirements in Part 15 of FCC
Rules for a Class A computing device. Operation of this
equipment in a residential area may cause unacceptable
interference to radio and TV reception requiring the operator to
take whatever steps are necessary to correct the interference.
DOC/IC
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme
NMB-003 du Canada.
Connect Tech Inc. declares that the product(s) covered by the
contents of this manual have been tested and found compliant
with the below listed standards as required by the Electromagnetic
Compatibility (EMC) Directive for General Immunity
Compliance, EN 50 0082.1:1997
EN 55022
Conducted and Radiated emissions, Class A
EN 61000-4-2 Electrostatic Discharge
EN 61000-4-3 Radiated Immunity
EN 61000-4-4 Electrical Fast Transients
EN 61000-4-6 Conducted Immunity Test, Level 2
Rod Doré
Manager of Engineering
David Worthen, P.Eng.
President
General
The above agency conformances were met by independent
laboratory testing of Connect Tech Inc. product(s) with shielded
cables, with metal hoods, attached to either the terminating
connectors or cable assemblies supplied with the product(s).
Failure to follow good EMC/EMI compliant cabling practices
may produce more emissions or less immunity than was
obtained in laboratory measurements.
Operation of this equipment in a residential area may cause
unacceptable interference to radio a TV reception, requiring the
user to take whatever steps necessary to correct the interference
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Chapter 4: Appendices – Connectors/Pinouts
4-5
Appendix B: Connectors/Pinouts
Appendix B outlines the connector pinouts for the Titan/cPCI-2
and the Titan/cPCI-4.
Connector Pinouts
Tables 1 and 2 outline the pinouts for the Titan/cPCI connectors
or cable connectors.
Technical Tip:
Please ensure that you terminate signals if your application does
not use them. Failure to do so may result in a loss of a
performance on your Titan/cPCI adapter.
Table 1: DB-9 cable connector pinouts
Pin
No. Signal
RS-232
RS-485/422
Signal
Direction
input
input
output
output
signal ground
input
output
input
Direction
input
input
output
output
signal reference
input
output
input
output
1
2
3
4
5
6
7
8
9
DCD
RxD
TxD
DTR
SG
DSR
RTS
CTS
RI
RxD (+)
RxD (-)
TxD (+)
TxD (-)
SR
CTS (-)
RTS (+)
CTS (+)
RTS (-)
input
Male DB-9 Connector
1
6
5
9
Cable Part Number: CAB04DX
Technical Tip:
1.Please ensure that you terminate the DCD or CTS signals if
your application does not use them. The common way to do
this is to connect DCD to DTR and/or to connect CTS to
RTS. Failure to do so may result in a loss of performance
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4-6
Chapter 4: Appendices – Connectors/Pinouts
Table 2: DB-37 cable connector pinouts
Pin
No.
1
2
3
4
5
6
7
Port
No.
RS-232
Signal
SG
RS-485/422
Signal
SR
Direction
signal gnd
output
output
input
Direction
signal ref
output
output
input
1
1
1
1
1
DTR
TxD
RxD
DCD
unused
RI
CTS
RTS
DSR
RI
CTS
RTS
DSR
SG
DTR
TxD
RxD
DCD
RI
CTS
RTS
DSR
SG
DTR
TxD
RxD
DCD
SG
DTR
TxD
RxD
DCD
RI
CTS
RTS
DSR
TxD-
TxD+
RxD-
RxD+
unused
RTS-
CTS+
RTS+
CTS-
RTS-
CTS+
RTS+
CTS-
SR
TxD-
TxD+
RxD-
RxD+
RTS-
CTS+
RTS+
CTS-
SR
TxD-
TxD+
RxD-
RxD+
SR
TxD-
TxD+
RxD-
RxD+
RTS-
CTS+
RTS+
CTS-
input
input
3
3
3
3
4
4
4
4
2
2
2
2
2
1
1
1
1
3
3
3
3
3
4
4
4
4
4
2
2
2
2
input
input
output
input
input
input
output
input
signal gnd
output
output
input
input
input
input
output
input
signal gnd
output
output
input
output
input
output
input
output
input
output
input
signal ref
output
output
input
input
output
input
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
output
input
signal ref
output
output
input
input
input
signal gnd
output
output
input
input
input
input
output
input
signal ref
output
output
input
input
output
input
output
input
Cable Part Number: CAB04DX
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Chapter 4: Appendices – Factory Settings
4-7
Appendix C: Factory Settings
Function
Factory Setting
Electrical Interface Jumper block JB is set for all ports RS-
485/422 - all positions not jumpered
Half Duplex
Jumper block JA is set for all ports
running in full duplex or multi-drop slave
mode - all positions not jumpered
Termination
Jumper blocks JC, JD, JE and JF are set
for all ports not terminated or biased - all
positions not jumpered
Note: Please see Figure 1 for the locations of these jumper
blocks.
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Chapter 4: Appendices – RS-485/422 Interface
4-9
Appendix D: RS-485/422 Line Interface
Electrical Interface Selection
The Titan/cPCI adapter provides jumper selectable RS-232 and
RS-485/422 electrical interfaces on each port.
Jumper block JB sets the electrical interfaces for the individual
ports. Jumpers installed across the pins on jumper block JB
enable the RS-232 interface for that port, while jumpers not
installed across pins enable the RS-485/422 interface for that port.
Figure 1 shows the location of jumper block JB.
Technical Tip
Please refer to the README files on the driver diskettes for
technical tips or release notes concerning installation and
configuration of various device drivers and software utilities. If
you require further information please contact Connect Tech
Technical Support
Example 1
This example shows the settings on jumper block
JB so that port 2 is set for RS-232 and ports 1, 3,
4 are set for RS-485/422.
JB
Jumper Legend
Jumpers on = RS-232 enabled
Port 1
Port 2
Port 3
JB0
JB1
JB2
4 port models only
Port 4
JB3
Example 2 This example shows the settings on jumper block
JB so that ports 1 & 2 are set for RS-485/422
and ports 3 & 4 are set for RS-232.
JB
Jumper Legend
Jumpers on = RS-232 enabled
Port 1
Port 2
Port 3
JB0
JB1
JB2
4 port models only
Port 4
JB3
Technical Note:
You can set up the RS-232 serial ports to run at up to 230.4
KBPS, but you must use good quality serial cables with lengths
that do not exceed 2 metres
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4-10
Chapter 4: Appendices – RS-485/422 Interface
Full Duplex Mode
By not installing pins on jumper block JA and by using features
in our driver software, you can run the individual RS-485/422
ports in full duplex mode. This mode is typically used in point to
point RS-485/422 situations much like RS-232. In this mode,
TxD & RxD are active all the time. Figure 1 shows the location
of jumper block JA.
Half Duplex RS-485
By installing pins on jumper block JA and using features in our
driver software, you can run the individual RS-485/422 ports in
half duplex mode. In this mode your Titan/cPCI adapter controls
the transmitter and receiver circuits. DTR is turned on prior to
and during transmission to cause the transmit driver to enable and
the receiver to disable. DTR is turned off when not transmitting
to cause the transmit driver to disable (tri-stated) and the receiver
to enable. The 16C950 UARTs on the Titan/cPCI adapter are
responsible for timing the DTR toggle.
Multi-drop Slave Mode
By not installing jumpers on jumper block JA and by using
features in our driver software, you can run the individual RS-
485/422 ports in multi-drop slave mode. In this mode the TxD
line driver is enabled only when data is transmitted and RxD is
enabled all the time. This mode is typically used in multi-drop "4
wire" connections.
Example
The example below shows the settings on JA where RS-485
ports 1 and 2 are set for full duplex or multi-drop slave mode,
port 3 is set for half duplex and port 4 is not set since port 4 is
set for RS-232 on jumper block JB.
JA
Jumper Legend
Port 1
Jumpers on = ½ duplex enabled
JA0
Port 2
Port 3
JA1
JA2
4 port models
Port 4
JA3
Technical Note:
Full duplex, multi-drop slave and half duplex modes apply to
RS-485/422 ports only. Please ensure that the port is set for
RS-485/422 on jumper block JB.
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Chapter 4: Appendices – RS-485/422 Interface
Line Termination
4-11
You can use jumper blocks JC, JD, JE and JF to terminate and
bias TxD ±, RxD ±, RTS ±, and CTS ± on the individual RS-
485/422 ports through jumper selectable 150 Ω fixed resistors.
Please refer to Figure 4 for a partial schematic of the RS-485/422
circuit for the Titan/cPCI and to Figure 1 for the locations of JC,
JD, JE and JF.
Figure 4: RS-485/422 partial schematic
Titan/cPCI
RS-485/422 Line Bias/Termination
TxD +
TxD
150 Ω
JC5, JD5, JE5, JF5
TxD -
10K Ω
DTR
RxD
JA0, JA1, JA2, JA3
+5 V
1.8K Ω
RxD +
RxD -
PCI 954
UART
JC3, JD3, JE3, JF3
JC4, JD4, JE4, JF4
150 Ω
1.8K Ω
RTS +
RTS
CTS
JC6, JD6, JE6, JF6
150 Ω
RTS -
CTS +
1.8K Ω
JC1, JD1, JE1, JF1
JC2, JD2, JE2, JF2
150 Ω
CTS -
1.8K Ω
+5 V
Note: Line bias/termination is jumper selectable
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4-12
Chapter 4: Appendices – RS-485/422 Interface
Example
The following example shows the settings on JC, JD, JE and JF
where RS-485 port 1 is terminated on RTS ± and TxD ±, the
RS-485 port 2 is set for bias/termination on RTS ±, TxD ±, CTS
±, and RxD ±, the RS-485 port 3 is not terminated, and port 4
is set for RS-232 on jumper block JB and therefore should not
be terminated
JC
JD
JE
JF
Jumper Legend
JC1
JC2
JC3
JD1
JD2
JD3
JE1
JE2
JE3
JF1
JF2
JF3
1 = CTS terminator & bias
2 = CTS terminator & bias
3 = RxD terminator & bias
4 = RxD terminator & bias
5 = TxD terminator
6 = RTS terminator
JC4
JC5
JC6
JD4
JD5
JD6
JE4
JE5
JE6
JF4
JF5
JF6
PORT 1
PORT 2
PORT 3
PORT 4
Technical Notes:
1. For full duplex and multi-drop slave you can jumper
positions 1, 2, 3, 4, 5, and 6, on the appropriate jumper
block (JC, JD, JE or JF) if you want them terminated.
2. For RS-232 ports do not jumper positions 1, 2, 3, 4, 5, and
6, on the appropriate jumper block (JC, JD, JE or JF).
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Chapter 4: Appendices – RS-485/422 Interface
4-13
RS-485/422 Cable Wiring
You can wire Titan/cPCI adapters in various ways to
communicate with RS-485/422 peripherals. This section
describes a few examples of RS-485/422 cabling schemes.
Figure 5 describes a 4 wire cabling scheme between a port on the
Titan/cPCI adapter to a port on the RS-485/422 peripheral.
Figure 5: RS-485/422 wiring diagram (4 wire)
RS-485 peripheral
Titan/cPCI adapter
TxD +
RxD +
RxD -
TxD +
3
4
1
TxD -
RxD +
TxD -
RxD -
2
7
CTS +
RTS +
CTS +
RTS -
RTS +
CTS -
RTS -
SR
8
9
CTS -
SR
6
5
Technical Tip
The RS-485/422 electrical interface consists of a differential
signaling scheme. You should always connect the signals with
twisted pairs
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4-14
Chapter 4: Appendices – RS-485/422 Interface
Figure 6 describes a 2 wire cabling scheme between a port on the
Titan/cPCI adapter to a port on the RS-485/422 peripheral.
Figure 6: RS-485/422 wiring diagram (2 wire)
Titan/cPCI adapter
RS-485 peripheral
RxD +
TxD +
1
3
TxD +
RxD +
TxD -
RxD -
RxD -
TxD -
4
2
CTS +
RTS +
7
8
9
6
5
RTS +
CTS -
CTS +
RTS -
RTS -
SR
CTS -
SR
Technical Tip
The RS-485/422 electrical interface consists of a differential
signaling scheme. You should always connect the signals
with twisted pairs
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