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Doc #: 137001UA
Part #: 07M3012-A
B
MODEM SHARING DEVICE
3012/V24 (CTS MSD-2C)
3014/V24 (CTS MSD-4C)
3018/V24 (CTS MSD-8C)
INSTALLATION AND OPERATIONS MANUAL
January 3, 2000
An ISO-9001
Copyright© 2000 Patton Electronics Co., All Rights Reserved
Certified Company
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Doc #: 137001UA Part #: 07M3012-A B MODEM SHARING DEVICE 3012/V24 (CTS MSD-2C) 3014/V24 (CTS MSD-4C) 3018/V24 (CTS MSD-8C) INSTALLATION AND OPERATIONS MANUAL An ISO-9001 Copyright© 2000 Patton Electronics Co., All Rights Reserved Certified Company
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3012-14-18/V24 PATTONELECTRONICS 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 WARRANTIES: Patton Electronics Co. (hereafter r
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3012-14-18/V24 PATTONELECTRONICS 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 .............
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3012-14-18/V24 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
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3012-14-18/V24 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 s
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3012-14-18/V24 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 POWER 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
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220 3012-14-18/V24 PATTONELECTRONICS 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 110/220V voltage switch. Turn the switch with a coin or 110 / 220VA Switch screw driver to the appropriate vol
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3012-14-18/V24 PATTONELECTRONICS CO. INSTALLATION AND OPERATIONS MANUAL 137001UA JP4 and JP5 to IN IN IN IN IN Provided Pin 9 and 10 Test Voltage JP6 to OUT OUT OUT OUT OUT CTS delay = No Delay JP1, JP2 and JP3 to IN IN IN IN IN Factory Test Jumpers must be installed 3018/V24 (CTS MSD-8C) Switch 9 - positions 4 and 6 to OFF OFF OFF OFF OFF, 1, 2, 3 and 5 to ON ON ON ON ON Anti-Stream = 40sec. and Disabled Switching Mode = Priority Signal Ground not connected to Chassis Ground JP4 and JP5 to IN
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3012-14-18/V24 PATTONELECTRONICS CO. INSTALLATION AND OPERATIONS MANUAL 137001UA Installation 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-25 connectors. Sub-Channels are marked “PORT 1” through “PORT 8”; the Master Port is marked “MASTER”. If any terminal
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3012-14-18/V24 PATTONELECTRONICS CO. INSTALLATION AND OPERATIONS MANUAL 137001UA Switching Mode Selection (Switch Pos 5) 3014/V24 (CTS MSD-4C) & 3018/ V24 (CTS MSD-8C) Only To select Priority Mode, set switch position 5 to ON ON ON ON ON. To select Scanning Mode, set OFF OFF switch position 5 to OFF OFF 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
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3012-14-18/V24 PATTONELECTRONICS CO.INSTALLATION AND OPERATIONS MANUAL 137001UA APPENDIX TECHNICAL SPECIFICATIONS Applications Modem Interface Multiple Sync/Async devices operating in a polled EIA RS-232, V.24 female connector (DB-25) environment, sharing one RS-232 DCE interface Front Panel Capacity Indicators: ... Power, Send/Receive Data, Channel One to Eight RS-232 Synch/Async Terminals; Active, Channel Stream Standard DB-25 V.24 (female) connectors for each Switches: .... Enable/Disable e
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3012-14-18/V24 PATTONELECTRONICS CO.INSTALLATION AND OPERATIONS MANUAL 137001UA V.24 V.24 Leased or Dial Line V.24 MODEM V.24 V.24 Typical Application 1 Sh ield (com mon) 14 2 Transm it D ata (from DTE ) Transmit Clo ck (fro m D CE ) 15 3 Receive Data (from D CE ) 16 4 Req ues t to Se nd (from DTE ) R eceive Clock (fro m DCE ) 17 5 Clear To Send (from D CE ) 18 6 Data S et R eady (fro m D CE ) 19 7 Sign al Ground (com mon) D ata Te rmin al Rea dy (from DTE ) 20 8 Data C arrier Detect (from D C
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3012-14-18/V24 PATTONELECTRONICS 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 +8V JP2 -8V JP3 Negative Test JP4 Voltage Positive Test JP5 3012/V24 Voltage (CTS MSD-2C) Positive Test JP5 Voltage CTS Delay Negative 25mS Installed JP6 Test No Delay Removed JP4 SW5 Voltage Anti-Stream Timer -8V JP3 Anti-Stream Enable=ON/Disable=OFF Priority Mode=ON/Scan Mode=OFF Signal t
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3012-14-18/V24 PATTONELECTRONICS CO.INSTALLATION AND OPERATIONS MANUAL 137001UA JP4 JP5 Negative Positive Test Test Voltage Voltage CTS Delay 25mS Installed JP6 No Delay Removed SW9 -8V JP3 Anti-Stream Timer Anti-Stream Enable=ON/Disable=OFF Priority Mode=ON/Scan Mode=OFF +8V JP2 Signal to Chassis Ground OFF ON +5V JP1 3018/V24 MSD-8C Appendix A-4 6 5 4 3 2 1
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B 7622 Rickenbacker Drive Gaithersburg, MD 20879 Sales: 301 975-1000 Support: 301 975-1007 Web Address: www.patton.com
