Patton electronic Network Card 3054 User Manual

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MANUAL  
MODEL 3054, 3056, 3058  
RS-232 and RS-422 Limited  
Distance Multiplexers  
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:  
Sales E-mail:  
Support E-mail:  
Phone - Sales  
Phone - Support  
Fax:  
(301) 975-1000  
(301) 975-1007  
(301) 869-9293  
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 BABT and 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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Part# 07M305X-B  
Doc# 043011UB  
Revised 6/18/98  
SALES OFFICE  
(301) 975-1000  
TECHNICAL SUPPORT  
(301) 975-1007  
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An ISO-9001  
Certified Company  
 
2.0 GENERAL INFORMATION  
3.0 CONFIGURATION  
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 arise during  
installation or use of the unit, contact Patton Electronics Technical  
Support at (301) 975-1007.  
Models 3054 and 3056 require no configuration. If you have  
Models 3054 or 3056, proceed to Section 4.0 Installation. For most  
applications, the Model 3058 also requires no configuration. However,  
if you need to connect a Model 3058 to a Patton Model 358 on the  
main (multiplexed) channel, you must modify an internal jumper strap  
setting to make the two units compatible with each other. This section  
shows how to set the jumper strap.  
2.1 FEATURES  
3.1 MODEL 305X/A TO MODEL 358 COMPATIBILITY STRAP  
• Multiplexes four, six or eight async RS-232 or RS-422 devices onto  
two twisted pair, at distances to 6000 ft between muxes  
• Operates over 2 dedicated twisted pair wires  
Models 3054/A, 3056/A and 3058/A can be configured to be  
backward-compatible with the previous generation 8-channel  
multiplexer--Patton Electronics Model 358. To make the 305X  
backward-compatible on the main channel, you must remove the Model  
358 Compatibility Jumper switch located on the top of the PC board  
(see Figure 1, below).  
• Sub-channels operate full duplex at rates up to 19,200 bps  
• Passes through end to end software flow control characters  
• Model 3054/AR and 3056/AR allow end-to-end  
RTS/CTS flow control  
• Independent and variable data rates, start/stop bits, and other data  
parameters for all sub-channels  
• Built-in loopback and line tests allow convenient troubleshooting  
• Front Panel LEDs show data activity and test status  
Model 358 Compatibility  
Jumper  
2.2 DESCRIPTION  
The Patton Model 305X Series Short Range Multiplexer is two  
devices in one: a time division multiplexer and a short range modem.  
Operating full duplex over a two dedicated twisted pair wires, the Model  
305X Series allows up to four, six, or eight serial RS-232 or RS-422  
devices to share two twisted pair to communicate at distances up to  
6000 feet.  
Figure 1: Model 358 Compatibility Jumper  
Figure 2, below, shows the two possible settings of the Model 358  
Compatibility jumper. The jumper settings are described in the table  
following Figure 2.  
Each of the Model 305X sub-channels can transmit data  
simultaneously at data rates up to 19.2 kbps without the need for user  
configuration. Additionally, each sub-channel can operate at a different  
rate and with different asynchronous data format (word length,  
start/stop bits, etc.)  
Model 358 Compatibility  
Figure 2: Model 358 Compatibility Jumper  
Normal Mode (default)  
The Model 305X Series features built-in local and remote  
loopback tests that allow easy setup and configuration. Front panel  
LEDs show data activity for each port as well as power and test  
conditions. The 305X Series allow software flow control by passing  
software commands unhindered through the units. In addition, Models  
3054AR and 3056AR offer end-to-end RTS/CTS flow control.  
Jumper Position  
Compatibility Mode  
Jumper strap in place  
Jumper strap removed  
Normal (default setting)  
Backwards Compatible with Model 358  
3
4
 
4.0 INSTALLATION  
Every RS-232 serial device connected to a Model 305X Series unit  
sub-channel must have a special interface cable. On one end, this  
interface cable must have an RJ-45 male plug; on the other end, the  
cable must have a connector that adapts to your RS-232 serial device.  
The diagrams below show pin connections between the Model 305X  
sub-channels and common RS-232 interfaces. You may use these  
diagrams to construct your own cables, or you may purchase cables  
from Patton Electronics.  
This section describes how to connect each Model 305X to the RS-  
232 or RS-422 sub-channel devices, to another Model 305X over the  
main channel, and to the power supply.  
4.1 .2 SUB-CHANNEL CONNECTIONS  
The RJ-45 female sub-channel ports on the back of the Model  
3054, 3056, and 3058 are labeled 1 - 4 (Model 3054), 1 - 6 (Model  
3056) and 1 - 8 (Model 3058). Each sub-channel port designates  
single communication path from the local multiplexer to the remote  
multiplexer. That is, the serial device connected to port 1 on the local  
multiplexer will communicate with the serial device that is connected to  
port 1 on the remote multiplexer. Figure 3 shows the port connections  
on the rear of the Model 3058.  
RS-232 (PC-XT or other DTE)  
DB-25 Pin No.  
Model 3054 or 3056  
RJ-45 Pin No.  
7 (SG)  
4 (SG)  
3 (RCV)  
2 (XMT)  
4 (RTS)  
5 (CTS)  
6 (DSR)  
8 (DCD)  
20 (DTR)  
5 (XMT)  
6 (RCV)  
8 (CTS)*  
7 (RTS)*  
Sub-Channels  
Main Channel  
Power Jack  
CHANNELS  
8
7
6
5
4
3
2
1
POWER  
LINE  
RS-232 (Modem or other DCE)  
DB-25 Pin No.  
Model 3054 or 3056  
RJ-45 Pin No.  
Figure 3: Model 3058 Port Connections  
7 (SG)  
4 (SG)  
4.1.1 RS-232 Sub-Channel Connections  
3 (XMT)  
2 (RCV)  
5 (CTS)  
4 (RTS)  
6 (DSR)  
8 (DCD)  
20 (DTR)  
5 (XMT)  
6 (RCV)  
8 (CTS)*  
7 (RTS)*  
The Model 305X Series multiplex and de-multiplex data signals  
from four, six, or eight EIA-232 DTE (terminals, PCs) DCE (modems)  
devices. Most DTE and DCE devices use a D-Sub 25 or D-Sub 9  
connector to transmit and receive data as well as operate flow control.  
Since the sub-channel ports on the Model 305X Series are modular RJ-  
45 jacks, you will need an adapter cable to make the proper  
connections.. Figure 4, below, shows the pin assignments on the RJ-  
45 sub-channel modular jack.  
RS-232 (PC-AT or other DTE)  
DB-9 Pin No.  
Model 3054/3056/3058 (DCE)  
RJ-45 Pin No.  
1 no connection  
5 (SG)  
4 (SG)  
2 no connection  
3 no connection  
4 (SG)  
5 (TX Data) from 305X  
6 (RX Data) to 305X  
7 (RTS) from 305X*  
8 (CTS) to 305X*  
1
2 (RCV)  
3 (XMT)  
7 (RTS)  
8 (CTS)  
1 (DSR)  
4 (DCD)  
6 (DTR)  
6 (XMT)  
5 (RCV)  
8 (RTS)*  
7 (CTS)*  
2
3
4
5
6
7
8
Figure 4: Model 305X RJ-45 Sub-Channel Pin Numbers  
*NOTE: Hardware flow control signals available only on Models  
3054/AR and 3056/AR (See Section 4.2.4 Flow Control  
Requirements).  
*NOTE: Hardware flow control signals are available only on RS-232  
Versions of Models 3054AR and 3056AR (See Section 4.2.4 Flow  
Control Requirements).  
5
6
 
4.2.2 RS-422 Sub-Channel Connections  
4.2.3 Extending RS-232 Sub-Channel Distances  
Similar to the Model 305X, the Models 305X-422 Series multiplex  
and de-multiplex signals from four or six, or eight EIA-422 devices.  
EIA-422 devices may use D-Sub 25, D-Sub-9, RJ-45 or another  
connector type to transmit and receive data and operate flow control..  
As with the Model 305X, you will need an adapter cable to make the  
proper connections. Figure 5, below, shows the pin assignments on the  
RJ-45 sub-channel modular jack on the 305X-422 Series.  
You can also multiplex signals from sub-channel devices that are  
located more than 50 feet away from the Model 305X. Use a Patton  
Model 305X-422 with a Patton Model 222N RS-232 to RS-422 converter  
(see Appendix C for specific model numbers).  
As Figure 6 below illustrates, the Model 222N replaces the modular  
to D-shell converter at the device end. This set-up allows sub-channel  
cable runs up to 1000 feet over two twisted pair wire. Call Patton  
Technical Support at for more information about the Model 222N.  
1 no connection  
Model 222N  
Model 222N  
2 (RCV-) to 305X-422  
1
3 (XMT-) from 305X-422  
4 (SG) Signal Ground  
5 (XMT+) from 305X-422  
6 (RCV+) to 305X-422  
7 no connection  
2
3
4
5
6
7
8
1000 ft on UTP  
1 Mile on UTP  
8 no connection  
Figure 5: Model 305X-422 RJ-45 Sub-Channel Pin Numbers  
CHANNELS  
TESTS  
CHANNELS  
TESTS  
The diagrams below show the pinning of two RS-422 patch cables:  
DB-25 (RS-530) to RJ-45 and DB-9 (RS-449) to RJ-45. Because RS-  
422 is a balanced interface, you should always use twisted pair wire for  
RS-422 cable (See Appendix B). Using low capacitance twisted pair  
cable between 19 and 24 AWG, you should be able to attain sub-  
channel distances up to 1000 ft. Please be careful to observe the  
correct wire pairing as shown below.  
Figure 6. RS-232 sub-channel distance extension  
4.2.4 Flow Control Requirements  
All versions of the 305X Series accomodate flow control. Flow  
control is a method whereby devices that process data more slowly (i.e.  
printers) can request faster processing devices (i.e. PCs) to temporarily  
stop and then restart data transmission. This gives a slower processing  
device the ability to clear its receive buffer to accept additonal data. All  
versions of Model 305X operate with software flow control. Models  
3054AR and 3056AR may also operate with RTS/CTS (hardware) flow  
control.  
RS-530 (422)  
DB-25 Pin No.  
Model 305X-422  
RJ-45 Pin No.  
2 (XMT+)  
14 (XMT-)  
6 (RCV+)  
2 (RCV-)  
3 (RCV+)  
16 (RCV-)  
5 (XMT+)  
3 (XMT-)  
Software Flow Control  
The Model 305X Series is transparent to software flow control  
method on the sub-channel ports. Both sub-channel devices must be  
set to XON/XOFF or ACK/NAK or any other end-to-end software flow  
control method. The Model 305X simply passes the software flow  
control parameters through from end-to-end without modification.  
RS-449 (422)  
DB-9 Pin No.  
Model 305X-422  
RJ-45 Pin No.  
3 (XMT+)  
9 (XMT-)  
6 (RCV+)  
2 (RCV-)  
4 (RCV+)  
6 (RCV-)  
5 (XMT+)  
3 (XMT-)  
(continued)  
8
7
 
5.0 OPERATION  
RTS/CTS Flow Control (Models 3054AR and 3056AR Only)  
Once the Model 305X Series is properly installed, it should operate  
transparently. This section describes the LED status indicators, and the  
built-in loopback test modes.  
In addition to software flow control capability, Models 3054AR and  
3056AR offer end-to-end RTS/CTS flow control capability. When using  
RTS/CTS flow control, the RTS and CTS signals are multiplexed into  
the composite data stream. The multiplexed RTS/CTS signals are then  
demultiplexed and passed to the appropriate sub-channel device at  
opposite end.  
5.1 LED STATUS INDICATORS  
The Model 305X Series feature front panel LEDs that monitor  
power, the DTE or DCE signals, link status and test modes. Figure 7  
(below) shows the front panel location of each LED. Following Figure 7  
is a description of each LEDs function.  
4.3 MAIN CHANNEL CONNECTIONS  
The main channel port on the back of the Model 305X Series is a  
female RJ-45 modular jack. The primary connection between the two  
muxes must be dry, unconditioned twisted pair, 19 - 26 AWG (See  
Appendix B for optimal cable characteristics). The wiring between the  
wall plates must be crossed over, with pairing as shown below:  
Model 3058 8-Channel Limited Distance Multiplexer  
1
2
3
4
5
6
7
8
Sync./  
Link  
TD -  
RD -  
- Remote Loop  
- Normal  
- Local Loop  
Model 305X Series  
RJ-45 Pin No.  
Model 305X Series  
RJ-45 Pin No.  
TESTS  
Figure 7. Model 3054/56/58 front panel switch and LEDs  
4 (XMT)  
5 (XMT)  
4 (XMT)  
5 (XMT)  
Pair 1 {  
TD and RD glow red to indicate idle condition of binary “1”  
data on respective channel. Green indicates  
binary “0” data.  
6 (RCV)  
3 (RCV)  
6 (RCV)  
3 (RCV)  
Pair 2 {  
4.4 AC POWER CONNECTION  
RTS  
glows green to indicate that the RS-232 Request-  
To-Send signal from the terminal is active (RS-232  
Versions: Models 3054AR and 3056AR only)  
Power is supplied to the Model 305X Series by a 9-12 VAC, 200mA  
wall mount transformer. This transformer connects to the Model 305X  
Series by means of a cannon jack on the rear panel. The Model 305X  
is powered-up as soon as it is plugged into an AC outlet–there is no  
power switch.  
CTS  
glows green to indicate that the RS-232 Clear-  
To-Send signal from the Model 305X is active  
(RS-232 Versions: Models 3054A and 3056AR  
only)  
4.4.1 120 VAC Power (US)  
Link  
glows green to indicate connection to the remote  
multiplexer.  
The 120 VAC adapter supplied with the standard version of the  
Model 305X is a “wall mount” type, and may be plugged into any  
approved 115 VAC wall plug.  
Local  
Loop  
glows green when the local multiplexer enters  
the Local Loop test mode  
4.4.2 230 VAC Power (IEC)  
Remote  
Loop  
glows green when the local multiplexer enters  
the Remote Loop test mode  
The 230 VAC adapter supplied with the “international” version of the  
Model 305X is equipped with an IEC-320 shrouded male connector.  
This connects with one of several available country-specific power  
cords (see the ordering information in Appendix C). You may  
purchase these power cords from Patton Electronics, or from a local  
vendor of your choice.  
9
10  
 
5.2 TEST MODES  
The Model 305X Series has three test modes: Local Loopback,  
Remote Loopback and DTE Remote Loopback. This section tells you  
how to use these test modes to isolate cabling or multiplexer problems.  
5.2.2 DTE Remote Loopback  
The DTE Remote Loopback test allows you to evaluate the  
multiplexers and their connection path by using the local DTE. In order  
to fully test both units as well as the twisted pair connection path, you  
will need install the enclosed RJ-45 loopback adapter into the specific  
remote sub-channel modular jack. Figure 9 shows an example of the  
Remote Loopback test with the RJ-45 loopback adapter attached to the  
remote multiplexer.  
5.2.1 Local Loopback  
The Local Loopback test allows you to evaluate the integrity of the  
DTE cable and the local Model 305X. Any data sent to the local Model  
305X in this test mode will be echoed (returned) back to the user  
device. (See Figure 8, below.) For example, characters typed on the  
keyboard of a terminal will appear on the terminal screen.  
Figure 9 . Line Test  
To use this test follow the instructions below:  
Figure 8. Local Loopback Test  
1. Install the RJ-45 loopback adapter into the sub-channel of  
the remote multiplexer as shown above in Figure 9. For  
instance, if you are testing channel 1, install a loopback  
adapter into the sub-channel 1 RJ-45 jack on the remote  
multiplexer.  
To use the local loopback test, follow these instructions.  
1. Set the front panel switch of the mux being tested to local  
loopback. The corresponding LED should glow.  
2. On a terminal connected to one of the sub-channel ports, key  
a character string. You should see those same characters  
echoed back on the terminal screen.  
2. Set the front panel switch of the local multiplexer and the  
remote multiplexer to NORMAL.  
3. On a terminal connected to the sub-channel port to be tested,  
key a character string. You should see those same characters  
echoed back on the terminal screen after they have passed  
through the local multiplexer, through the cable and remote  
multiplexer, and then back to the through the cable to the  
multiplexer and the attached terminal.  
3. If the keyed character string does not echo on the terminal  
screen, check all sub-channel connections for continuity and  
proper pinning.  
5.2.2 Remote Loopback  
The Model 305X offers a second test that evalulates the integrity of  
the local and remote multiplexers. With the local multiplexer in  
REMOTE LOOPBACK mode and the remote multiplexer set to  
NORMAL, the local mux sends a low frequency pulse to the remote  
mux over the twisted pair wire. If the two muxes and the twisted pair  
cable are functioning properly together, you will see the remote  
multiplexers RECEIVE DATA LEDs blinking together. If you have a RJ-  
45 loopback adapter connected to the remote sub-channel ports, the  
remote multiplexers TRANSMIT DATA LEDs and the local multiplexers  
RECEIVE DATA LEDs will also blink.  
4. If the above test exhibits bit errors or does not work at all,  
check all sub-channel and main channel connections for  
continuity an proper pinning.  
11  
12  
 
APPENDIX A  
APPENDIX B  
PATTON MODEL 305X SERIES SPECIFICATIONS  
MODEL 305X SERIES CABLE RECOMMENDATIONS  
The Patton Model Series operates at frequencies of 160 kHz or less  
and has been performance tested by Patton technicians using twisted-  
pair cable with the following characteristics:  
Transmission Lines: Main channel and RS-422 sub-channels,19  
to 26 AWG twisted pair; RS-232 sub-  
channels, flat silver cable  
Range:  
6000 feet (1800m) over twisted pair 24 AWG  
between multiplexers; 1000 feet (304m) on  
RS-422 sub-channels; 50 feet (15m) on  
RS-232 sub-channels  
Asynchronous RS-232, ITU/CCITT  
0 - 19.2 kbps on sub-channels  
Transmit Data, Receive Data, Link, Local  
Loopback, Line Test  
Wire Gauge  
Capacitance  
Resistance  
19 AWG(.9mm) 83nF/mi or 15.72 pF/ft.  
22 AWG(.6m) 83nF/mi or 15.72 pF/ft.  
24 AWG(.5mm) 83nF/mi or 15.72 pF/ft.  
26 AWG(.4mm) 83nF/mi or 15.72 pF/ft.  
.0163 Ohms/ft.  
.0326 Ohms/ft.  
.05165 Ohms/ft.  
.08347 Ohms/ft.  
Interfaces:  
Data Rates:  
Indicators:  
To gain optimum performance from the Model 305X Series, please  
keep the following guidelines in mind:  
Test Modes:  
Connectors:  
Power Supply:  
Temperature  
Range:  
Altitude:  
Humidity:  
Dimensions:  
Weight:  
Certifications:  
Local loopback, Line Test  
RJ-45 female on main and sub-channels  
9-12 Volts AC  
Always use twisted pair wire—this is not an option.  
0-600C (32-1400F)  
0-15,000 feet (0-4572 m)  
5 to 95% non-condensing  
8.5" W x 3.5”L x 1.5”H (21.0 x 8.9. x 3.8 cm)  
Multiplexer, 0.65 lbs; Power supply, 0.5 lbs  
Emissions: FCC part 15 Class A,  
Use twisted pair wire with a capacitance of 20pF/ft or less.  
Avoid twisted pair wire thinner than 26 AWG (i.e. avoid higher  
AWG numbers than 26).  
Use of twisted pair with a resistance greater than the above  
specifications may cause a reduction in maximum distance  
obtainable. Functionality should not be affected.  
13  
14  
 
APPENDIX D  
APPENDIX C  
PATTON MODEL 305X LOOPBACK ADAPTER PIN ASSIGNMENTS  
RS-232 LOOPBACK ADAPTER PLUG  
PATTON MODEL 305X SERIES FACTORY REPLACEMENT PARTS  
Patton Part # Description  
Model 305X - LB  
RJ-45 Pin No.  
222NM-RJ45....................RS-232 (male) to RS-422 Converter  
222NF-RJ45 ....................RS-232 (female) to RS-422 Converter  
222N9M-RJ45..................RS-232 (DB-9 male) to RS-422 Converter  
222N9F-RJ45 ...........RS-232 (DB-9 female) to RS-422 Converter  
080510ACB .............. ......Power Supply, 120V, 10VAC  
4 (SG)  
5 (XMT)  
6 (RCV)  
080512ACI................ ......Power Supply, 230V, 12VAC  
RS-422 LOOPBACK ADAPTER PLUG  
Model 305X-422-LB  
RJ-45 Pin No.  
6 (RCV+)  
2 (RCV-)  
5 (XMT+)  
3 (XMT-)  
16  
15  
 

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