Patton electronic Network Card 3012 V24 3014 V24 3018 V24 User Manual

Doc # : 1 3 7 0 0 1 UA  
Part # : 0 7 M3 0 1 2 -A  
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MODEM SHARING DEVICE  
3 0 1 2 / V2 4  
3 0 1 4 / V2 4  
3 0 1 8 / V2 4  
(CTS MSD-2 C)  
(CTS MSD-4 C)  
(CTS MSD-8 C)  
INSTALLATION AND OPERATIONS MANUAL  
J anuary 3 , 2 0 0 0  
An ISO-9 0 0 1  
Certified Company  
Copyright© 2 0 0 0 Patton Electronics Co., All Rights Reserved  
 
3 0 1 2 -1 4 -1 8 / V2 4  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
COPYRIGHT NOTICE  
Copyright© 2000 Patton Electronics Co., All Rights Reserved.  
PROPRIETARY NOTICE  
The information contained herein is proprietary and confidential to Patton Electronics  
Co. Any reproduction or redistribution of this publication, in whole or in part, is  
expressly prohibited unless written authorization is given by Patton Electronics Co.  
WARRANTY NOTICE  
W ARRANTIES: Patton Electronics Co. (hereafter referred to as Patton) warrants  
that its equipment is free from any defects in materials and workmanship. The  
warranty period shall be two years from the date of shipment of equipment. Pattons  
sole obligation under its warranty is limited to the repair or replacement of the  
defective equipment, provided it is returned to Patton, transportation prepaid, within  
a reasonable period. This warranty will not extend to equipment subjected to  
accident, misuse, alterations or repair not made by Patton or authorized by Patton in  
writing.  
PUBLICATION NOTICE  
This manual has been compiled and checked for accuracy. The information in this  
manual does not constitute a warranty of performance. Patton reserves the right to  
revise this publication and make changes from time to time in the content thereof.  
Patton assumes no liability for losses incurred as a result of out-of-date or incorrect  
information contained in this manual.  
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PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Table of Contents  
CHAPTER 1 - OPERATON  
Channel Selection Modes (4 and 8 port only) .................................................. 1 -2  
Anti-Streaming ............................................................................................ 1 -2  
Front Panel Indicators and Switches .............................................................. 1 -3  
CHAPTER 2 - SETUP AND INSTALLATION  
Power Connection ....................................................................................... 2 -1  
Factory Configuration Switch Settings ............................................................. 2 -1  
Disassembly ............................................................................................... 2 -2  
Installation .................................................................................................. 2 -3  
Equipment Grounding (Switch Pos 6 ).............................................................. 2 -3  
Anti-Streaming (Switch Pos 1 ,2 ,3 ,4 ).............................................................. 2 -3  
Switching Mode Selection (Switch Pos 5 ) MSD-4 C & MSD-8 C Only ..................... 2 -4  
CTS Delay on the MDS-2 C (Switch Pos 5 ) ....................................................... 2 -4  
CTS Delay on the MSD-4 C & MSD-8 C (J P6 ) .................................................... 2 -4  
Unregulated Power to Pins 9 & 1 0 ................................................................ 2 -4  
Factory Test J umpers (J P1 ,J P2 ,J P3 ) ............................................................ 2 -4  
APPENDIX  
TECHNICAL SPECIFICATIONS ......................................................................... A-1  
Typical Application ....................................................................................... A-2  
RS-2 3 2 Pin Out .......................................................................................... A-2  
Strapping Guides ......................................................................................... A-3  
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PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
CHAPTER 1 - OPERATON  
The Patton MSDs are network enhancement accessories intended for DCE sharing  
applications. The Patton MSDs allows up to eight terminals or DTE devices to share  
a single point to point or multi-drop polled communication link.  
The Patton MSDs allow for immediate expansion of a system without the  
requirement of additional Modems or communication lines. All MSDs are protocol  
transparent and operate in synchronous or asynchronous environments at rates up  
to 3 8 .4 Kbps. Clocking is provided by the attached DCE device on the Master Port.  
The Patton MSDs have Anti-Streaming capabilities that include selectable time-outs  
depending on your system transmission speed, and a setting to disable anti-  
streaming for large data block transfers. No special cables or adapters are required  
for normal DTE-DCE operation. All interconnects are made via industry standard  
female DB-2 5 connectors located on the rear panel of the units. A linear 1 1 0 /  
2 2 0 V, UL, CSA and TÜV approved power supply is internal to the unit.  
INTERNATIONAL  
SERIES  
SUB-CHANNEL STATUS  
ENABLE/DISABLE  
ACTIVE STREAM  
MSD-2C  
PW SD RD  
1
2
1
2
1
2
MSD-4C  
SUB-CHANNEL STATUS  
STREAM  
ENABLE/DISABLE  
ACTIVE  
PW SD  
RD  
1
2
3
4
1
2
3
4
1
2
3
4
MSD-8C  
SUB-CHANNEL STATUS  
1
ENABLE/DISABLE  
STREAM  
ACTIVE  
2
3
4
5
6
7
8
PW SD  
RD  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Operation  
1 -1  
 
3 0 1 2 -1 4 -1 8 / V2 4  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Channel Selection Modes (4 and 8 port only)  
The Patton MSD provides two selectable sub-channel service modes of operation:  
Scanning Mode and Priority Mode. Depending on system requirements, either mode  
may be selected by internal DIP switch settings. Both modes switch on activity from  
the sub-channel. Activity is defined as raising RTS on a sub-channel.  
In the Scanning Mode the Patton MSD scans each sub-channel in sequence,  
beginning with channel 1 . This rotational sequence is repeated continually with each  
attached sub-channel having equal access to the communications link. W hen RTS  
from a sub-channel becomes active, that sub-channel is given a CTS signal and  
switched through to the master port by the MSD. All remaining sub-channels are  
locked out until the first device becomes inactive. W hen the sub-channel device  
becomes inactive, the MSD will resume scanning the sub-channels for another active  
signal.  
W hen configured for Priority Mode operation, the Patton MSD monitors all sub-  
channels simultaneously with sub-channel 1 having the highest priority. W hen a sub-  
channel becomes inactive, the MSD will automatically default to the highest priority  
(lowest number) sub-channel with activity.  
Port Enable/ Disable front panel switches must be pushed in (GREEN indication) for  
a sub-channel to access the main channel, regardless of the mode of operation  
s elected.  
Ant i-St rea m ing  
A typical problem often encountered in DDS and leased-line, polled environments is a  
Streaming” remote terminal. The streaming problem can tie up an entire circuit until  
the offending terminal has recovered or is powered down. A streaming condition  
occurs when a sub-channel remains active, disrupting the polling sequence. The MSD  
provides two user selectable modes of controlling a streaming condition: an  
automatic Anti-Streaming Abort Timer, and a manual Operator Control mode (front  
panel push button switch).  
The streaming condition caused by one of the attached terminals can be quickly  
bypassed by the Patton MSD via the associated front panel locking switches. A  
switch is provided for each sub-channel and permits the rapid removal of a  
streaming terminal without having to disconnect any cables or power down the  
offending terminal. Terminals may be selectively removed for self-test and  
maintenance without affecting the remaining sub-channels. Once the streaming  
condition has been corrected, the front panel switch is simply depressed to the  
locked (Enable) position (Green indicator ON) to re-establish normal operation.  
Operation  
1 -2  
 
3 0 1 2 -1 4 -1 8 / V2 4  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Front Panel Indicators and Switches  
The front panel LED indicators associated with each sub-channel identify the active  
port. A green POW ER ON LED indicates when AC voltage is applied. Two adjacent  
green LED indicators illuminate in union with individual port activity and identify  
Transmit Data (TXD) and Receive Data (RXD) activity.  
Positive latching type switches are provided for each DTE port. These switches allow  
you to isolate or remove a streaming terminal. The switch is GREEN when the  
channel is active. To disable a sub-channel, push in the switch and it will click to the  
out position, and turn BLACK.  
Operation  
1 -3  
 
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PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Caution, Disconnect the POWER Before Removing The Cover.  
Vorsicht, Befor Deckung Abnehmen Mach Strom Zu.  
CHAPTER 2 - SETUP AND INSTALLATION  
Power Connection  
Before connecting the MSD to an AC power source the top cover must be installed  
and secured with the supplied screws. The unit is supplied with a 1 1 0 / 2 2 0 V voltage  
switch. Turn the switch with a coin or  
110 / 220VA Switch  
screw driver to the appropriate voltage  
Fuse Drawer  
for your country. EXAMPLE: United  
States of America, set to 1 1 0 V. The  
unit is supplied with an IEC power  
110  
connector next to the voltage select  
switch. Plug the power cord into the  
connector until it is firmly seated. You  
may now connect the power cord  
into your AC outlet.  
IEC Power Connector  
Factory Configuration Switch Settings  
The MSDs are configured prior to shipment with the switches set to the following  
default positions:  
3 0 1 2 / V2 4 (CTS MSD-2 C)  
Switch 3 - positions 4 , 5 and 6 to OFF, 1 , 2 and 3 to ON  
Anti-Stream = 4 0 sec. and Disabled  
CTS Delay = No Delay  
Signal Ground not connected to Chassis Ground  
J P4 and J P5 to IN  
Provide Pin 9 and 1 0 Test Voltage  
J P1 , J P2 , and J P3 to IN  
Factory Testing Straps Must be installed  
3 0 1 4 / V2 4 (CTS MSD-4 C)  
Switch 5 - positions 4 and 6 to OFF, 1 , 2 , 3 and 5 to ON  
Anti-Stream = 4 0 sec. and Disabled  
Switching Mode = Priority  
Signal Ground not connected to Chassis Ground  
Setup & Installation  
2 -1  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
J P4 and J P5 to IN  
Provided Pin 9 and 1 0 Test Voltage  
J P6 to OUT  
CTS delay = No Delay  
J P1 , J P2 and J P3 to IN  
Factory Test J umpers must be installed  
3 0 1 8 / V2 4 (CTS MSD-8 C)  
Switch 9 - positions 4 and 6 to OFF, 1 , 2 , 3 and 5 to ON  
Anti-Stream = 4 0 sec. and Disabled  
Switching Mode = Priority  
Signal Ground not connected to Chassis Ground  
J P4 and J P5 to IN  
Provided Pin 9 and 1 0 Test Voltage  
J P6 to OUT  
CTS delay = No Delay  
J P1 , J P2 and J P3 to IN  
Factory Test J umpers must be installed  
If the system application requires one or more of the default settings to be changed,  
it will be necessary to remove the top cover of the enclosure to access and change  
the DIP switches located on the printed circuit board.  
Dis a s s em bly  
Remove the top cover by unscrewing the phillips head screws located on the left and  
right sides of the unit. The configuration switches and jumpers are located on the  
PCB as indicated on the appropriate strapping guide in the Appendix of this manual.  
After the switch selection activity is completed, REINSTALL THE TOP COVER BEFORE  
CONNECTING TO AN AC POW ER SOURCE.  
Setup & Installation  
2 -2  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Ins tallation  
Select an appropriate location accessible to and within six feet of an AC power  
outlet. The outlet must have a ground pin receptacle for product warranty. The DCE-  
to-DTE cabling between each attached device and the MSD should be Straight  
Through, shielded and terminated with male DB-2 5 connectors. Sub-Channels are  
marked PORT 1 through PORT 8 ”; the Master Port is marked MASTER”. If any  
terminal has a priority service mode, ensure it is connected to the port connector  
designated PORT 1 on the rear panel of the MSD. Secure other terminals to be  
serviced to the remaining PORT connectors. Connect the MODEM to the connector  
designated MASTER”.  
Equipment Grounding (Switch Pos 6 )  
Position 6 on the DIP switch provides for grounding interconnection in those systems  
requiring a connection between (Frame Ground) and (Signal Ground). Connect ONLY  
if required.  
Anti-Streaming (Switch Pos 1 ,2 ,3 ,4 )  
The maximum data block size is user selectable via the internal DIP switch positions  
1 , 2 , and 3 . As shown below eight block sizes are provided to the user. To disable  
anti-streaming set position 4 to OFF. The maximum block size is normally defined at  
the time of installation. The MSD will isolate the affected sub-channel until the  
streaming condition has been corrected, then automatically re-establish  
communications as before.  
3
2
1
Time  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
ON  
ON  
OFF  
OFF  
ON  
ON  
OFF  
OFF  
ON  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
.0 2 sec  
.0 4 sec  
.0 8 sec  
.3 0 sec  
1 .3 sec  
5 .0 sec  
2 0 .0 sec  
4 0 .0 sec  
Setup & Installation  
2 -3  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
Switching Mode Selection (Switch Pos 5 ) 3 0 1 4 / V2 4 (CTS MSD-4 C) & 3 0 1 8 /  
V2 4 (CTS MSD-8 C) Only  
To select Priority Mode, set switch position 5 to ON. To select Scanning Mode, set  
switch position 5 to OFF. The Modem connected to the master port of the MSD  
must toggle CTS in response to RTS for the MSD to operate correctly. In addition,  
the terminals connected to the ports must toggle RTS to gain control of the unit. If  
the terminal will not toggle RTS, it will not work with an MSD.  
CTS Delay on the 3 0 1 2 / V2 4 (CTS MDS-2 C) (Switch Pos 5 )  
If a 2 5 mS CTS delay is desired, set switch position 5 to ON. If no delay is required  
set switch position 5 to OFF.  
CTS Delay on the 3 0 1 4 / V2 4 (CTS MSD-4 C) & 3 0 1 8 / V2 4 (CTS MSD-8 C) (J P6 )  
If a 2 5 mS CTS delay is desired, install the CTS Delay J umper.  
Unregulated Power to Pins 9 & 1 0  
J umpers J P4 and J P5 must be installed to provide unregulated power on pins 9 &  
1 0 on the port DB-2 5 connectors.  
Factory Tes t J umpers (J P1 ,J P2 ,J P3 )  
The three test jumpers J P1 , 2 and 3 , must be installed for the unit to properly  
function. These jumpers are used in the manufacture and test of the product prior  
to shipment.  
Setup & Installation  
2 -4  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
APPENDIX  
TECHNICAL SPECIFICATIONS  
Applications  
Modem Interface  
Multiple Sync/ Async devices operating in a polled  
environment, sharing one RS-2 3 2 DCE interface  
EIA RS-2 3 2 , V.2 4 female connector (DB-2 5 )  
Front Panel  
Capacity  
Indicators: ... Power, Send/ Receive Data, Channel  
Active, Channel Stream  
One to Eight RS-2 3 2 Synch/ Async Terminals;  
Standard DB-2 5 V.2 4 (female) connectors for each Switches: .... Enable/ Disable each Sub-Channel  
channel  
Power Source  
Data Format  
1 0 0 -1 2 0 / 2 0 0 -2 4 0 VAC, 5 0 to 6 0 Hz,  
0 .1 6 / 0 .0 8 A, Switch Selectable  
Data transparent at all data rates  
Data Rates  
Environmental  
Up to 3 8 .4 Kbps  
Timing  
Operating Temp: ..... 3 2 ° to 1 2 2 °F (0 ° to 5 0 °C)  
Relative Humidity: ... 5 to 9 0 % non-condensing  
Altitude: ................ 0 to 1 0 ,0 0 0 feet  
External: .... From Modem or TX Clock provided on  
Channel 1 (pin 2 4 )  
Dimens ions  
(MSD-2 C)  
Height: ......... 1 .7 5 inches (4 .4 4 cm)  
W idth: ......... 8 .9 0 inches (2 2 .6 0 cm)  
Length: ......... 1 0 .0 0 inches (2 5 .4 0 cm)  
(MSD-4 C)  
Height: ......... 2 .0 5 inches (5 .2 1 cm)  
W idth: ......... 1 3 .3 5 inches (3 3 .0 9 cm)  
Length: ......... 9 .0 0 inches (2 2 .8 6 cm)  
(MSD-8 C)  
Anti-s treaming  
Automatic: Selectable timeout intervals or disable  
Terminal Service Modes (4 & 8 Port Only)  
Scanning Mode: ..... Channels are continuously  
scanned for RTS” on a  
Height: ......... 1 .7 5 inches (4 .4 4 cm)  
W idth: ......... 1 7 .0 0 inches (4 3 .1 8 cm)  
Length: ......... 1 1 .0 0 inches (1 8 .9 3 cm)  
sequential basis.  
Priority Mode: ....... Channels are simultaneously  
monitored for RTS” channel  
one has highest access.  
W eight  
Sub-Channel Interface  
2 .2 lbs (1 .0 Kg) 3 0 1 2 / V2 4 (CTS MSD-2 C)  
EIA RS-2 3 2 , V.2 4 female connectors (DB-2 5 )  
4 .5 lbs (2 .1 Kg) 3 0 1 4 / V2 4 (CTS MSD-4 C)  
4 .5 lbs (2 .1 Kg) 3 0 1 8 / V2 4 (CTS MSD-8 C)  
Appendix  
A-1  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
V.24  
V.24  
Leased  
or  
Dial Line  
V.24 MODEM  
V.24  
V.24  
Typical Application  
Sh ield (com mon)  
1
14  
2
Transm it D ata (from DTE )  
R eceive Data (from D CE )  
Reques t to Se nd (from DTE )  
Clear To Send (from D CE )  
Data S et R eady (fro m D CE )  
S ign al Ground (com mon)  
Data C arrier Detect (from D CE )  
P ositive Tes t V oltage (from D CE )  
Negative Tes t Voltage (from D CE )  
Transmit Clo ck (fro m D CE )  
15  
16  
3
4
R eceive Clo ck (fro m D CE ) 17  
5
18  
19  
20  
21  
6
7
D ata Te rmin al Ready (from DTE )  
8
9
R ing In dicator (from D CE ) 22  
10  
11  
12  
13  
23  
E xternal Transmit Clock (from DTE ) 24  
25  
RS-2 3 2 Pin Out  
Appendix  
A-2  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
SW3  
Anti-Stream Timer  
Anti-Stream Enable=ON/Disable=OFF  
CTS Delay 25mS=ON/No Delay=OFF  
Signal to Chassis Ground  
OFF ON  
+5V  
JP1  
JP2  
+8V  
-8V  
JP3  
JP4  
Negative  
Test  
Voltage  
Positive  
Test  
Voltage  
JP5  
3012/V24  
(CTS MSD-2C)  
Positive  
Test  
Voltage  
JP5  
CTS Delay  
25mS Installed  
No Delay Removed  
Negative  
Test  
Voltage  
JP6  
JP4  
SW5  
Anti-Stream Timer  
-8V  
JP3  
JP2  
Anti-Stream Enable=ON/Disable=OFF  
Priority Mode=ON/Scan Mode=OFF  
Signal to Chassis Ground  
OFF ON  
+8V  
+5V  
JP1  
3014/V24  
(CTS MSD-4C)  
Appendix  
A-3  
 
3012-14-18/ V24  
PATTON ELECTRONICS CO.  
INSTALLATION AND OPERATIONS MANUAL  
137001UA  
JP5  
JP4  
Negative  
Test  
Voltage  
Positive  
Test  
Voltage  
CTS Delay  
25mS Installed  
No Delay Removed  
JP6  
SW9  
-8V  
JP3  
JP2  
Anti-Stream Timer  
Anti-Stream Enable=ON/Disable=OFF  
Priority Mode=ON/Scan Mode=OFF  
Signal to Chassis Ground  
+8V  
+5V  
OFF ON  
JP1  
3018/V24  
MSD-8C  
Appendix  
A-4  
 
B
7 6 2 2 Rickenbacker Drive  
Gaithersburg, MD 2 0 8 7 9  
Sales: 3 0 1 9 7 5 -1 0 0 0  
Support: 3 0 1 9 7 5 -1 0 0 7  
Web Address: www.patton.com  
 

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