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MODEM ELIMINATOR, RS-232
1200P
Doc #: 112001UA
Part #: 07M1200P-A
An ISO-9001
Certified Company
(CTS ME-V.24)
INSTALLATION AND OPERATIONS MANUAL
May 15, 2000
Copyright© 2000 Patton Electronics Co., All Rights Reserved
Page 2
B
MODEM ELIMINATOR, RS-232
1200P
Doc #: 112001UA
Part #: 07M1200P-A
An ISO-9001
Certified Company
(CTS ME-V.24)
INSTALLATION AND OPERATIONS MANUAL
Copyright© 2000 Patton Electronics Co., All Rights Reserved
Page 3
Patton Electronics Co. 1200P
INSTALLATION AND OPERATIONS MANUAL
112001UA
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
WARRANTIES: 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. Patton’s 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 Patton assumes no liability for losses incurred as a result of out-of-date or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.
RADIO AND TV INTERFERENCE
The Patton MSDs generate and use radio frequency energy, and if not installed and used properly—that is, in
strict accordance with the manufacturer’s instructions—may cause interference to radio and television
reception. The Patton MSDs have been tested and found to comply with the limits for Class A computing
devices in accordance with the specifications in Subpart J of Part 15 of FCC rules, which are designed to
provide reasonable protection from such interference in a commercial installation. However, there is no
guarantee that interference will not occur in a particular installation. If the Patton MSDs do cause interference
to radio or television reception, which can be determined by disconnecting the cables, the user is encouraged to
try to correct the interference by one or more of the following measures: moving the computing equipment
away from the receiver, re-orienting the receiving antenna, and/or plugging the receiving equipment into a
different AC outlet (such that the computing equipment and receiver are on different branches).
CE NOTICE
The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the electromagnetic
Compatibility (EMC) directive and the Low Voltage Directive (LVD) of the European Union (EU). A Certificate of
Compliance is available by contacting Technical Support.
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 Technical Support at:
tel: (301) 975-1007;
email: support@patton.com;
or, www: http://www.patton.com.
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 Patton MSDs. Technical Support hours: 8AM to 5PM EST, Monday through Friday.
Copyright© 2000 Patton Electronics Co., All Rights Reserved
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112001UA
INSTALLATION AND OPERATIONS MANUALPatton Electronics Co. 1200P
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Patton Electronics Co. 1200P
INSTALLATION AND OPERATIONS MANUAL
112001UA
Contents
CHAPTER 1 - OPERATION
CHAPTER 2 - SETUP AND INSTALLATION
Power Connection ....................................................................................... 2-1
Factory Configuration ................................................................................... 2-1
Installation.................................................................................................. 2-1
CTS Delay (SW2-1,2) .................................................................................. 2-2
DSR Control (SW2-3,4) ............................................................................... 2-2
DCD Control (SW2-5,6) ............................................................................... 2-3
Clocking (SW1-1,2,3,4,5) ............................................................................ 2-3
Equipment Grounding (SW1-6) ...................................................................... 2-3
Indicators................................................................................................... 2-3
Appendix
Technical Specifications................................................................................ A-1
Signal Flow Diagram .................................................................................... A-2
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Patton Electronics Co.
1200P
INSTALLATION AND OPERATIONS MANUAL
112001UA
CHAPTER 1 - OPERATION
The Patton 1200P (CTS ME-V.24) is a RS-232 Modem Eliminator. This device is bidirectional with each port connecting to a DTE. The 1200P (CTS ME-V.24) permits
interfacing one RS-232 / V.24 terminal to another RS-232 / V.24 terminal without
the use of two Modems. The 1200P (CTS ME-V.24) provides sync baud rates up to
76.8Kbps. When the 1200P (CTS ME-V.24) is used with async data, baud rate
selection is not required, because the Modem Eliminator is transparent to the data.
Terminal devices can be separated up to 50 feet away from the 1200P (CTS MEV.24) depending on the baud rate selected. The unit is supplied with two DB-25
female connectors for connection of the terminal units.
The 1200P (CTS ME-V.24) is available as either a standalone unit or in a multi-unit
rackmount configuration. In the standalone configuration the 1200P (CTS ME-V.24)
is housed in a sturdy aluminum enclosure and is supplied with a switchable 110VAC
/ 220VAC linear power supply. In the rack-mount configuration, the 1200P (CTS
ME-V.24) occupies one slot of the 1010R16/P/UI (CTS MCS-16C), 16 card slot,
front load rack.
The unit has MET, c-MET and CE approvals.
1200P
Sync Terminal
Typical Application
Sync Host Computer
1-1
Operation
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1200PPatton Electronics Co. INSTALLATION AND OPERATIONS MANUAL
112001UA
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 1200P (CTS ME-V.24) to an AC power source the top cover
must be installed and secured with the supplied screws. The unit is supplied with a
110/220VA voltage switch, turn the switch
with a coin or screw driver to the appropriate
voltage for your country. EXAMPLE: United
States of America; set to 110VA. The unit is
supplied with a IEC power 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.
110 / 220VA Switch
Fuse Drawer
110
Factory Configuration
IEC Power Connector
The 1200P (CTS ME-V.24) is configured prior to shipment with the switches and
jumpers in the following default positions:
SW1 - 1
3
ONON
ON, 2
ONON
OFFOFF
OFF, 4
OFFOFF
OFFOFF
OFF (CLK1)
OFFOFF
OFFOFF
OFF, 5
OFFOFF
ONON
ON (9600bps)
ONON
6 OFF (Signal and Chassis Ground NOT Connected)
SW2 - 1 & 2
3 & 4
5 & 6
ONON
ON (CTS Delay = 0)
ONON
ONON
ON (DSR Switched)
ONON
ONON
ON (DCD Switched)
ONON
Installation
Set switches to match the required configurations based on the diagrams below.
The cabling between each device and the 1200P (CTS ME-V.24) must be terminated
with male connectors.
2-1
Setup & Installation
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INSTALLATION AND OPERATIONS MANUALPatton Electronics Co. 1200P
112001UA
CTS Delay (SW2-1,2)
SW2 position 1 selects RTS to CTS delay for the terminal connected to J3. Set
SW2 position 1 to
ONON
ON for no delay and
ONON
OFFOFF
OFF for 25ms of delay. SW2 position 2
OFFOFF
selects RTS to CTS delay for the terminal connected to J2. Set SW2 positon 2 to
ONON
ON for no delay and
ONON
OFFOFF
OFF for 25ms of delay.
OFFOFF
DSR Control (SW2-3,4)
SW2 position 3 selects DSR control for the terminal connected to J2. Setting SW2
position 3 to ON will select DSR on J2 to switch in responce to DTR from J3
switching. Setting SW2 position 3 to OFF will force DSR on J2 to Active. SW2
position 4 selects DSR control for the terminal connected to J3. Settting SW2
position 4 to ON will select DSR on J3 to switch in responce to DTR from J2
switching. Setting SW2 position 4 OFF will force DSR on J3 to Active.
DS1
DS2
DS3
DS4
DS5
DS6
Power (PW)
J2 - TX Data (TX)
J2 - RX Data (RX)
J2 - Reque st to Send (RS)
J2 - Clear to Send (CS)
J2 - Carrier Detect (CD)
SW1
123456
ON For CLK 1
ON For CLK 2
Baud Rate Select
Signal Ground to Chassis Ground
ONOFF
SW2
123456
J3 CTS Delay
J2 C TS Delay
J2 DSR Switched
J3 D SR Switched
J2 DCD Switched
J3 DCD Switch ed
ONOFF
ON= 0ms / OFF =25m s
ON=Switched / OFF=Constant
ON=Switched / OFF=Constant
Baud Rate Selection - SW1
4
5
OFF
OFF
OFF
OFF
ON
ON
ON
ON
CLK1
600
1200
2400
4800
9600
19200
38400
76800
14400
28800
57600
3
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
CLK2
450
900
1800
3600
720 0
Alternate
Power
Entry
J4
J3
J2
4
3
2
1
J1
Setup & Installation
2-2
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1200PPatton Electronics Co. INSTALLATION AND OPERATIONS MANUAL
112001UA
DCD Control (SW2-5,6)
SW2 position 5 selects DCD control for the terminal connected to J2. Setting SW2
position 5 to
switching. Setting SW2 position 5 to
ONON
ON will select DCD on J2 to switch in responce to RTS from J3
ONON
OFFOFF
OFF will force DCD on J2 to Active. SW2
OFFOFF
position 6 selects DCD control for the terminal connected to J3. Setting SW2
position 6 to
switching. Setting SW2 position 6 to
ONON
ON will select DCD on J3 to switch in responce to RTS from J2
ONON
OFFOFF
OFF will force DCD on J3 to Active.
OFFOFF
Clocking (SW1-1,2,3,4,5)
Clock selection is accomplished via SW1, positions 1 thru 5. Set position 1 to
and 2 to
OFFOFF
OFF for CLK1. Set position 1 to
OFFOFF
OFFOFF
OFF and 2 to
OFFOFF
ONON
ON for CLK2. Table I
ONON
ONON
ON
ONON
outlines the switch settings and the rates provided by positions 3 thru 5.
Equipment Grounding (SW1-6)
SW1, position 6 provides for grounding interconnection in those systems requiring a
connection between Pin # 1 (Frame Ground) and Pin # 7 (Signal Ground).
SW1-5 SW1-4 SW1-3 CLK1 CLK2
OFF OFF OFF 600 450
OFF OFF ON 1,200 900
OFF ON OFF 2,400 1,800
OFF ON ON 4,800 3,600
ON OFF OFF 9,600 7,200
ON OFF ON 19,200 14,400
ON ON OFF 38,400 28,800
ON ON ON 76,800 57,600
Indicators
LED indicators display the state of the J2 interface leads and power. The following
interface leads are displayed: Power Applied, TX Data, RX Data, Request to Send,
Clear to Send, and Carrier Detect.
Table I
2-3
Setup & Installation
Page 10
Patton Electronics Co.
Appendix
Technical Specifications
1200P
INSTALLATION AND OPERATIONS MANUAL
112001UA
Applications
RS-232 Sync or Async Terminal to
Terminal interconnection.
Capacity
Two RS-232 Terminals
Data Format
Data Coding: .. Synchronous or
Asynchronous
Data Rates
Up to 76,800bps
Data Interface
RS-232
RS-232 Physical Interface
Power Requirements
110-120/200-240 VAC, 50 to 60Hz,
0.16/0.08 A, Switch Selectable
Approvals
MET, c-MET,& CE
Environmental
Operating Temp: .... 32° to 122°F (0° to
50°C)
Relative Humidity:... Up to 90% non-
condensing
Altitude: ................ 0 to 10,000 feet
Dimensions
Height: 1.75 inches (4.44 cm)
Width: 8.90 inches (22.60 cm)
Length: 10.00 inches (25.40 cm)
Female DB-25 Connector
Enclosure
Metal: Aluminum
Front Panel
Indicators: Power (PW)
J2 Send Data (TX)
J2 Receive Data (RX)
J2 Request to Send (RS)
J2 Clear to Send (CS)
J2 Carrier Detect (CD)
Weight
2.50 lbs (1.1.35 Kg)
A-1
Appendix
Page 11
112001UA
Patton Electronics Co.
1200P
INSTALLATION AND OPERATIONS MANUAL
J2 J3
1- Frame Gnd
7 - Signal Gnd
4- RTS
5 - CTS
8 - DCD
6 - DSR
20 - DTR
2 - TXD
3 - RXD
SW2-6
+8V
SW2 -3
+8V
SW1-6
+8V
SW2-5
SW2-4
1- Frame Gnd
7 - Signal Gnd
4 - RTS
5 - CTS
8 - DCD
+8V
6 - DSR
20 - DTR
2 - TXD
3 - RXD
15 - TXC
17- RXC
1200P Signal Routing Diagram
Appendix
CLOCK
GENE RATOR
A-2
15 - TXC
17 - RXC
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7622 Rickenbacker Drive
Gaithersburg, MD 20879
Sales: 301 975-1000 Support: 301 975-1007
Web Address: www.patton.com
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