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Systech Corporation RCS/3000 Hardware Manual

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RCS/3000
Hardware
Manual
Document number 80-001043-6
Revision A

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Summary of Contents for Systech Corporation RCS/3000

  • Page 1 RCS/3000 Hardware Manual Document number 80-001043-6 Revision A...
  • Page 3 RCS/3000 Hardware Manual...

  • Page 4: Revision History

    Document part number 80-001043-6 Revision History Date Revision Description 7/17/00 Initial production release Created 2000, and Protected Under the U.S. Copyright Act of 1976. Copyright © 2000, SYSTECH Corporation All Rights Reserved This document is subject to change without notice.
  • Page 5 Agency Notifications FCC Class A This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 7: Table Of Contents

    RS-422/485 Point-to-point Configuration ..............15 RS-422/485 Bus Configurations ................. 15 Two-Wire System ........................16 Four-Wire Systems......................... 16 Using the RCS/3000 in RS-422 or RS-485 Mode............17 Connecting the RCS/3000 ..................17 Configuring an RCS/3000 serial port for RS-422/485 ..........18 CHAPTER 4: TROUBLESHOOTING................19 LED Displays .........................

  • Page 9: Chapter 1: Overview

    For instance, the RCS/3000 might be used, as shown in the network diagrams below, to allow several PC registers to share expensive peripherals or to communicate with a remote site.

  • Page 10: Rcs/3000 Features

    RCS/3000 Features The RCS/3000 offers the following features and benefits: • Easy set up and configuration • Open systems communications for multi-site data networks • Can be used in a variety of data communications applications • Reduces cost and complexity •...

  • Page 11: Using The Rcs/3000

    Configuration Operation Hardware installation is documented in this manual. There are three ways to configuration and use your RCS/3000: NativeCOM, a web browser, or the command line interface. • NativeCOM: If you are using Windows, you can use NativeCOM, a software package provided free of charge by Systech.

  • Page 13: Chapter 2: Installing The Hardware

    Is there an acceptable source of AC power available near each device’s proposed location? RCS/3000 Panel Connectors Figure 3-1 shows the RCS/3000 front panel. Two DB-9 serial ports are numbered 1 and 2. There is one RJ-45 ethernet port, labeled LAN, and there may be an additional, optional Installing the Hardware...

  • Page 14: Connecting Eia-232 Devices To The Rcs/3000

    Figure 3-1. RCS/3000 Front Panel Figure 3-2 shows the back panel of a 4-port model RCS/3000. The power connector and reset button are on the right and two serial ports, labeled 3 and 4, with associated LEDs, are shown.
  • Page 15 Table 3-2, Table 3-3, and Table 3-4 show cable diagrams for three common configurations. The cable shown in Table 3-3may be used to connect modems to the RCS/3000. Modems should be configured to switch their carrier detect signal (CD) on and off in response to making and breaking telephone connections.
  • Page 16 Table 3-4 DB-9 to DB-9 Terminal Cable The RCS/3000 does not require the use of all 9 wires. Only pins 2, 3, and 5 are essential. DTR/DSR and RTS/CTS (pins 4, 6, 7, and 8) are only necessary for flow control. RI is only used as a ring indicator for modem use.

  • Page 17: Ethernet Lan

    Table 3-5 DB-9 to DB-25 3-wire Terminal Cable Ethernet LAN The RCS/3000 is connected to your LAN using an ethernet port. There is an ethernet port on the front panel labeled LAN. The LAN port is hardwired as an ethernet peripheral RJ-45 port so that it can conveniently be connected to a HUB using a standard straight through patch cable.

  • Page 18: Adapting Your Rcs/3000 To An Rcs/4000 Network

    Figure 3-3: Network Configuration Adapting Your RCS/3000 to an RCS/4000 Network If you are using your RCS/3000 to replace a Systech RCS/4000 port server or including it in a network that already contains RCS/4000s, you may want to use an adapter on your RCS/3000 serial port that maps the RCS/3000 DB-9 connector to an RJ-45 connector emulating the RCS/4000 RJ-45 serial ports.

  • Page 19: Starting The Rcs/3000

    DSR (DB-9 pin 6) to CTS (DB-9 pin 8). Starting the RCS/3000 When the RCS/3000 is powered up, it will run a self-test. The LEDs will flash to indicate normal operation. The following LED colors and patterns will be displayed during normal startup, if no errors are detected.

  • Page 20: Chapter 3: Physical Layer Interface Settings

    Chapter 3: Physical Layer Interface Settings The RCS/3000 can be used for communication with RS-232, RS-422, or RS-485 devices. By default, all the RCS/3000 ports are configured to communcate using an RS-232 electrical interface, as described in the preceding chapters. This chapter describes connecting RS-422 and RS-485 devices and configuring the RCS/3000 to communicate in RS-422 or RS-485 mode.

  • Page 21: Rs-422/485 Point-To-Point Configuration

    RS-422/485 Point-to-point Configuration Point-to-point connections can be established between two RS-422 devices, an RS-422 and an RS-485 device, or two RS-485 devices. Figure 10-1 shows a four-wire, point-to-point connection between two devices. RS-422/485 RS-422/485 TXA TXB RXA RXB TXA TXB RXA RXB Figure 10-1.

  • Page 22: Two-Wire System

    Two-Wire System In two-wire communication, all devices share the same pair of wires to both transmit and receive. All the devices connected to a two-wire system must be RS-485 devices. Figure 10-1 shows a typical two-wire system. MASTER SLAVE SLAVE RS-485 RS-485 RS-485...

  • Page 23: Using The Rcs/3000 In Rs-422 Or Rs-485 Mode

    Or an RCS can be connected to a two-wire or four- wire bus, as either a master or a slave, and can communicate in either RS-422 or RS-485 mode. Typically, a single RCS/3000 is connected to the bus and functions as the master, but this is determined by the application.

  • Page 24: Configuring An Rcs/3000 Serial Port For Rs-422/485

    Be sure the wires are terminated as indicated in the wiring diagrams in the previous section. In addition, as a fail safe to prevent floating wires, the RCS/3000 provides internal 2k bias resistors that pull the lines to a known state when they are not being driven. The bias resistors cannot be removed or altered.

  • Page 25: Chapter 4: Troubleshooting

    Chapter 4: Troubleshooting The RCS/3000 has several LED status indicators: • RCS/3000: There is a status LED, located on the lower right side of the back panel, next to the power connector, that indicates the overall status of the unit. •...
  • Page 26 RCS/3000 Error Operation Status LEDs Status HUB and LAN Serial Port pattern normal green, Either: Either: operation blinks 1. yellow, solid— 1. yellow, solid—closed port approx. 1 unconnected 2. green—open port; blinks times per 2. green— when data is transmitted or connected to received;...

  • Page 27: Error Codes

    The status LED blinks HEX error codes for fatal errors encountered during the self-test. Errors are considered to be fatal if they prevent the RCS/3000 operating system from starting. A RAM failure, for example, is a fatal error because it would prevent the operating system from being loaded into RAM.
  • Page 28 The LED blink pattern indicates the category of fatal error that occurred. The LED blinks the HEX code for the error category. For instance, if the error is a memory test error, the LED will blink 92, the HEX code for a memory test error. The LED will blink 9 times, pause, then blink 2 times.

  • Page 29: Appendix: Specifications

    0 to 50°C • Storage temperature range: -10 to 70°C • Humidity range: 10% to 90% noncondensing Product Dimensions The RCS/3000 model measures: 8 inches x 4.75 inches x 1.25 inches (203 mm x 121 mm x 32 mm) Appendix: Specifications...

  • Page 30: Model Numbers

    Model Numbers RCS/3182 2-port RCS/3282 2 port with optional HUB port RCS/3184 4-port RCS/3284 4 port with optional HUB port Ethernet cabling specifications This section describes guidelines for using 10BASET twisted-pair cabling: • Recommended cable is 22 to 26 AWG category 3 or category 5 unshielded solid copper twisted pair (standard telephone wire), at least Level 2 (two twists per foot).
  • Page 31 24 command line interface, configuring with, 5 configuration methods, 5 modem signals configuration planning, 7 CD, 9 DB-9 serial ports network, connecting RCS/3000 to, 11 diagram, 7 pinouts, 8 DTE pinout, 8 panel, diagram, 7 pinouts DB-9 ports, 8...
  • Page 32 setting for RS-232, RS-422, RS-485, current loop, 18 sessions red LED, 13 terminating on modem disconnect, 9 RJ-45 HUB ports specifications, 23 start up, 13 connecting to, 11 diagram, 7 RS-232 set port to, 18 RS-422, 14 termination pinouts, 17 RS-422/485 four-wire bus configuration, 17 set port to, 18 RS-422/485 point-to-point connection, 15...

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