USER
MANUAL
MODEL 2039
Parallel to Serial/
Serial to Parallel
Interface Converter
SALES OFFICE
(301) 975-1000
Part #07M2039-B
Doc. #102081U,
Rev. C
Revised 1/23/08
TECHNICAL SUPPORT
(301) 975-1007
C
E
R
T
I
F
I
E
D
An ISO-9001
Certified Company
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1.3 SERVICE
All warranty and non-warranty repairs must be returned freight
prepaid and insured to Patton Electronics. All returns must have a
Return Materials Authorization number on the outside of the shipping
container. This number may be obtained from Patton Electronics
NOTE: Packages received without an RMA number will not be
accepted.
Patton Electronics' technical staff is also available to answer any
questions that might arise concerning the installation or use of your
Model 2039. Technical Support hours: 8AM to 5PM EST, Monday
through Friday.
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2.0 GENERAL INFORMATION
Thank you for your purchase of this Patton Electronics product.
This product has been thoroughly inspected and tested and is
warranted for One Year parts and labor. If any questions or problems
arise during installation or use of this product, please do not hesitate to
contact Patton Electronics Technical Suppor at (301) 975-1007.
2.1 FEATURES
• Converts parallel data to serial data and vice versa
• Automatically selects parallel-to-serial and serial-to-parallel
operation
• Serial data rates to 115.2 Kbps
• No AC power required
• Supports both software and hardware flow control
• A five-state LED monitors status and diagnostics
• Ultra-miniature size
• A DB-9 female and a Centronics male connector
• Made in USA
2.2 DESCRIPTION
The Patton Model 2039 Parallel to Serial Converter
automatically converts RS-232C serial data to parallel data format and
vice versa. Incorporating advanced microprocessor technology, the
Model 2039 is able to automatically sense and select parallel and serial
modes. The Model 2039 requires no AC power or batteries and
supports serial data rates to 115.2 Kbps.
For easy configuration, the Model 2039 features a convenient set
of external configuration switches. These accessible configuration
switches allow the user to control baud rate, parity, word length and
flow control. An easy-to-read LED indicator displays status and
operating condition.
Housed in an ultra-miniature ABS plastic case, the Model 2039
measures only 2.68" x 1.25" x .75". The Patton Model 2039 comes
equipped with a DB-9 female connector on the serial side and a
Centronics 36 pin male connector on the parallel side. A six foot
integral cable is also included.
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3.0 CONFIGURATION
The Model 2039 is simple to install and designed for excellent
reliability The following instructions will help you set up and install the
converter properly. If you have any questions, please call Patton
Technical Support at (301) 975-1007.
3.1 CONFIGURATION SWITCHES
The Model 2039 uses a set of eight external DIP switches (see
Figure 1) that allow configuration to a wide range of applications.
Because all eight switches are in one externally accessible DIP switch
package, there is no need to open the case for configuration. The
configuration switches allow you to select data rates, parity, word length
and flow control selection. The following section describes all switch
locations, positions and functions.
Configuration
Switch
Figure 1. The location of the configuration switches
The Model 2039 uses a miniature configuration switch package.
To configure your unit, use a small screwdriver and gently push each
switch to its proper setting. The ON and OFF positions are shown in
Figure 2. Default settings for the DIP switches are shown in the table
on the following page. Detailed settings follow the table.
1
2
3
4
5
6
7
8
OFF
Figure 2. The miniature configuration switch package
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DIP SWITCH SUMMARY TABLE
Function
Position
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
Factory Default
Flow Control
LED Indicator
Off
On
Off
Off
Off
Off
Off
Off
Hardware
Enabled
Data, Parity, Stop Bits
Data, Parity, Stop Bits
Data, Parity, Stop Bits
Data Rate
8B, NP, 1S
38400 bps
}
}
Data Rate
Data Rate
3.2 DETAILED SWITCH SETTINGS
This section provides detailed information about the function of
each DIP switch and lists all possible settings.
Switch 1: Hardware/Software Control
The setting for Switch 1 determines whether these interface
converters will control either hardware or software flow control.
Flow Control SW1
Hardware
Software
OFF
ON
Switch 2: Enable/Disable the LED Indicator
The setting for Switch 2 determines whether the LED indicator is
enabled or disabled.
LED
Enabled
Disabled
SW2
ON
OFF
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Switch 3 through 5: Data, Parity and Stop Bit
Switches 3 through 5 are used to specify the data, parity and stop
bits. The following table shows the settings that may be used:
Stop
Bit
Data Parity
SW3 SW4
SW5
7B
7B
7B
7B
7B
8B
8B
8B
EP
OP
NP
EP
OP
EP
OP
NP
1S
1S
2S
2S
2S
1S
1S
1S
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
Switches 6 through 8: Frequency and Data Rate
Switches 6 through 8 determine the frequency and data rate. The
following chart shows the settings that may be used:
Model 2039
Data Rate
SW6 SW7 SW8
1,200
2,400
4,800
OFF OFF
ON
ON
OFF
ON
ON
ON
OFF
ON
OFF
ON
ON
ON
9,600
19,200
38,400
57,600
115,200
ON
OFF OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
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4.0 INSTALLATION
The Patton Model 2039 is very simple to install. Once you have
configured the DIP switches, just plug it in like a normal cable and
you're ready to go. Figure 3 illustrates the proper connections for the
standard cables. If you have special-ordered a non-standard
connector, your connections may be different.
Model 2039
Printer
PC
Figure 3. Installing the Model 2039
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5.0 OPERATION
Once your interface converter is properly configured and installed,
it should operate transparently—as if it were a standard cable
connection. Operating power is derived from the RS-232 data and
control signals; there is no "ON/OFF" switch.
5.1 LED STATUS MONITORS
The Model 2039 features an easy-to-read status LED that glows
red to indicate the condition of the transmission line. Figure 1 shows
the location of the LED. The following chart describes the LED's
various functions.
LED Codes
●
●
●
—
●
———
●
●
—
●
———
Computer is sending data
———
●
———
●
———
Serial device is connected; computer is
not sending data
●
●
———
●
●
———
Both serial and parallel devices are
connected; computer not sending
data
●
●
—
●
———
●
—
●
———
Printer not ready, data held in buffer
Computer ignoring flow control, data lost
●
●
●
———●
●
●
●
The red LED indicator blinks to show data activity. However, since
there is only one indicator, it uses different LED codes to demonstrate
various messages. The following chart describes these codes:
Key:
●
Blink
Short pause
Long pause
—
———
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APPENDIX A
PATTON MODEL 2039 SPECIFICATIONS
Interface:
Async., RS-232C compatible
Connectors:
Cables:
Serial, DB-9 F; parallel, Centronics 36 pin M
Six foot integral cable
Data Rates:
LED:
1.2 - 115.2 Kbps
LED displays status and operating condition
Power Supply:
None required; uses power from RS-232C
interface
Data Format:
7 or 8 bits; 1 or 2 stop bits; even, odd or no
parity
Temperature Range: 0-60°C (32-140°F)
Altitude:
0-10,100 feet
Humidity:
Dimensions:
Weight:
5 to 95% non-condensing
2.68" x 1.25" x .75"
2 oz.
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APPENDIX B
PATTON MODEL 2039 INTERFACE CONNECTIONS
PARALLEL PORT CONNECTIONS
Pin
1
Name
Description
Strobe
Output; normally high, goes low to read
data on power up
Output
Output
Output
Output
Output
Output
Output
Output
2
3
4
5
6
7
8
9
10
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
Acknowledge Input; normally high, goes low to shift next
byte out of buffer
11
Busy
Input, normally low, goes high when buffer
is full, goes low when buffer empties
16
17
18
19
|
Ground
Ground
Ground
Ground
|
30
33
36
Ground
Ground
Ground
DB-9 SERIAL PORT CONNECTIONS
Pin
Name
Description
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Carrier Detect
Receive Data
Transmit Data, power source
Data Terminal Ready, power source
Signal Ground
Data Set Ready
Request to Send, power source
Clear to Send
Ring Indicator, optional power source
10
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APPENDIX C
PATTON MODEL 2039 BLOCK DIAGRAM
Copyright ©
Patton Electronics Company
All Rights Reserved
11
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Dear Valued Customer,
Thank you for purchasing Patton Electronics products! We do
appreciate your business. I trust that you find this user manual helpful.
We manufacture one of the widest selections of data
communications products in the world including CSU/DSU's, network
termination units, powered and self-powered short range modems, fiber optic
modems, interface converters, baluns, electronic data switches, data-line surge
protectors, multiplexers, transceivers, hubs, print servers and much more. We
produce these products at our Gaithersburg, MD, USA, facility, and can
custom manufacture products for your unique needs.
We would like to hear from you. Please contact us in any of the
following ways to tell us how you like this product and how we can meet your
product needs today and in the future.
Web:
(301) 975-1000
(301) 975-1007
(301) 869-9293
Sales E-mail:
Support E-mail:
Phone - Sales
Phone - Support
Fax:
Mail:
Patton Electronics Company
7622 Rickenbacker Drive
Gaithersburg, MD 20879 USA
We are committed to a quality product at a quality price. Patton
Electronics is ISO 9001 certified. We meet and exceed the highest
standards in the industry (CE, UL, etc.).
It is our business to serve you. If you are not satisfied with any
aspect of this product or the service provided from Patton Electronics or its
distributors, please let us know.
Thank you.
Burton A.Patton
Vice President
P.S. Please tell us where you purchased this product.
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