Bay Technical Associates DS74 manual

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Table of contents for the manual

  • Page 1

    DS Series Manual DATA SWITCH DS74 Serial Input - Output Module BayTech Manual Publication Revision May 2008[...]

  • Page 2

    DS74 Serial I/O Module 2 Copyright 2007 by Bay Technical Associates, Inc. BayTech, is a registered trademarks of Bay Technical Associates, Inc. Windows 2000®, Windows XP® are products and reg istered trademark of Microsoft Corporation. Tera Term is a product and registered trademark of Vector, I nc.[...]

  • Page 3

    DS74 Serial I/O Module 3 Cabling ............................................................................................................................................................ 4 RJ-45 Cables and Adapters ...................................................................................................... ................... 4 Adapter[...]

  • Page 4

    DS74 Serial I/O Module 4 Cabling RJ-45 Cables and Adapters DS74 EIA-232 RJ-45 Signal Pin EIA 232 Signal Signal Direction Description 1 DTR Out Handshake, Line Driver Inactive State = Low: -12V when port is selected unless programmed differently. Used as a handshake line to enable/disable the receiving of characters. 2 GND Signal Ground 3 RTS Out Ha[...]

  • Page 5

    DS74 Serial I/O Module 5 Adapters RJ08X007 Figures 1 and 2 provide vi sual representation of an RJ-45 receptacle and plug. Serial Setup • Connect the EIA-232 port to a Baytech device via the RJ08X007 rolled flat ribbon cable. • Baytech makes custom cables for som e devices. • Default configuration is 9600 bps, 8 data bits, 1 stop bit and no p[...]

  • Page 6

    DS74 Serial I/O Module 6 Unit Configuration Menu The configuration menu allows the user to choo se wh ich unit they would like to access. Enter the number that corresponds with the Host Module followed by a <c r>. Now the module can be configured as shown. This menu is where you will be able to edit any of th e information listed below. The f[...]

  • Page 7

    DS74 Serial I/O Module 7 Status Displays the current configuration of each I/O port. Serial Port Configuration Since the DS74 I/O modules use different serial port configurations. Handshaking, Baud Rate, Word Size, Stop Bits, and Parity can all be configured through the HOS T module using the menus. The default settings are 9600bps, 8 data bits, no[...]

  • Page 8

    DS74 Serial I/O Module 8 Type a number to select the handshaking option and press <cr>. 1. Software Handshaking: This style uses actual d ata bytes as control characters. The lines necessary are TX, Rx, and ground since the control characters are sent over the tran smission line like regular data. The two control char acters, XON and XOFF are[...]

  • Page 9

    DS74 Serial I/O Module 9 Word Size The word size is the measurement of the actual data bits in a tran sm ission. Which setting you choose depends on what information you are transferring. For ex ample, standard ASCII has values from 0 to 127 (7 bits). Extended ASCII uses 0 to 255 (8 bits). If the da ta being transferred is simp le text (standard AS[...]

  • Page 10

    DS74 Serial I/O Module 10 Select 5 ), to get the Parity, Default is None the Host m odule responds: Type a number to select the Parity option and press <cr>. RTS/DTR Line Driver Inactivity State RTS (Request to Send)/ DTR (Data Terminal Ready) is normally used in conj unction with an external modem. With no modem the RTS and DTS default state[...]

  • Page 11

    DS74 Serial I/O Module 11 NOTE: Once you make a change to the Port Device Name, you have to back out of the menu and will be asked to Accept changes. If you type ‘y’ for yes, the changes take effect immediately for the serial port. Type ‘Y’ for YES or ‘N’ for NO and press <cr>. Port Device Type There are two configurations of port[...]

  • Page 12

    DS74 Serial I/O Module 12 Type ‘Y’ for YES or ‘N’ for NO and press <cr>. Verify DS74 is functioning: A rollover cables (pin out 1-8, 2-7, 3-6, 4-5, 5-4, 6-3, 7-2, 8-1) and a 9-pin adapter (9FRJ45PC-1) and Ethernet or Modem cable. 1. Set up the Host module with modem or Ethernet cables for normal operations. 2. Connect the rollover cab[...]

  • Page 13

    DS74 Serial I/O Module 13 BayT ech Product W arranty Bay Technical Associates (BayTech) warrants that its products will be free from defects in m aterials and workmanship under normal use for a period of two years fr om date of purchase (or from date of shipm ent from BayTech if proof of purchase is not provided). During this warranty period, BayTe[...]

  • Page 14

    DS74 Serial I/O Module 14 Technical Support BayTech offers Tech Support for the lifetime of the produc t. A staff of Applications Engineers is on duty to assist with installation, set up or ope ration issues. Support is available from 8:00 a.m. to 5 p.m . (CST or CDT), Monday through Friday at the phone numbers or website provided below. Please hav[...]

  • Page 15

    DS74 Serial I/O Module 15 Return Authorization Process: 1. Contact BayTech to get a Return Authorization (RA) Number. IMPORTANT: BayTech will not accept any returns without an RA number. 2. Package the unit carefully in its original packagin g or similar packaging. The warranty does not cover damage sustained during shipment. Enclose a lette r with[...]