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Systech Corporation RCS/5000 Hardware Manual

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RCS/5000
Hardware
Manual
Document number 80-001051-5
Revision B

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Summary of Contents for Systech Corporation RCS/5000

  • Page 1 RCS/5000 Hardware Manual Document number 80-001051-5 Revision B...
  • Page 3 RCS/5000 Hardware Manual...

  • Page 4: Revision History

    Revision History Date Revision Description 4/10/01 Initial production release 1/08/04 Added 10/100BaseT Created 2000, and Protected Under the U.S. Copyright Act of 1976. Copyright © 2000, 2001, 2004, 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

    Overview .......................... 7 Planning the installation....................7 RCS/5000 Panel Connectors................... 7 Connecting EIA-232 Devices ..................9 Connecting Parallel Printers to the RCS/5000 ............13 Synchronous Serial Devices ..................14 Ethernet LAN ......................... 15 Starting the RCS/5000....................16 CHAPTER 3: PHYSICAL LAYER INTERFACE SETTINGS........18 Connecting RS-422/485 Devices ..................

  • Page 9: Chapter 1: Overview

    Chapter 1: Overview The RCS/5000 port server provides communication between peripheral devices and devices connected to your local network. When the port server is connected to your LAN and to one or more peripherals, it manages network traffic, routing it to the correct device. For instance, the RCS 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: Features

    Features The RCS/5000 offer 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/5000

    Multiple services per port allows setting up both incoming and outgoing services on the same port • ppp header compression • Reverse telnet support for a variety of UNIX operating systems Using the RCS/5000 Using the RCS requires three steps: Hardware installation Configuration Operation Hardware installation is documented in this manual.

  • Page 13: Chapter 2: Installing The Hardware

    Verify that the locations selected for devices do not exceed cable specifications. • Is there an acceptable source of AC power available near each device’s proposed location? RCS/5000 Panel Connectors Figure 2-1 shows the RCS/5000 front panel. Figure 2-2 shows the back panel. Installing the Hardware...
  • Page 14 LEDs Figure 2-1. RCS/5000 Front Panel The front panel of the RCS/5000 (Figure 2-1 above) provides 8 or 16 RJ-45 serial ports, with its number above each connector. Each serial port connector has an associated LED, also numbered, that signals normal operation or error conditions. A larger status LED on the lower right indicates the overall status of the port server.

  • Page 15: Connecting Eia-232 Devices

    The cable shown in Figure 2-3 or 2-4 may be used to connect most ASCII terminals or serial printers to RCS/5000 serial ports. The cable shown in Figure 2-5 or 2-6 may be used to connect modems to the RCS/5000. Modems should be configured to switch their carrier detect signal (CD) on and off in response to making and breaking telephone connections.
  • Page 16 Pin 1 RJ-45 Plug Pin DB-25 Plug Pin Number Number/Signal 1 DCD 20 DTR 2 RTS 5 CTS 3 SG 7 SG 6 SG 4 TXD 3 RXD 5 RXD 2 TXD 7 CTS 4 RTS 8 DTR 8 DCD 6 DSR Figure 2-3.
  • Page 17 Pin 1 RJ-45 Plug Pin DB-25 Plug Pin Number Number/Signal 1 DCD 8 DCD 2 RTS 4 RTS 3 SG 7 SG 6 SG 4 TXD 2 TXD 5 RXD 3 RXD 7 CTS 5 RTS 8 DTR 20 DTR Figure 2-5.
  • Page 18 The RCS/5000 does not require the use of all 8 wires. Only pins 3, 4, and 5 are essential. RTS/CTS and DTR (pins 2, 7, and 8) are only necessary for flow control. Only one ground, (e.g., pin 3) is necessary. Although the RCS/5000 requires DCD by default, you can change the serial port setting so that the DCD signal is not required.

  • Page 19: Connecting Parallel Printers To The Rcs/5000

    Figure 2-9 RJ-45 to RJ-45 Crossover Cable Connecting Parallel Printers to the RCS/5000 The RCS/5000 parallel port is compatible with common PC parallel printer ports. The same printer cables used with PCs will work with the RCS. The RCS uses a male 25-pin D type connector;...

  • Page 20: Synchronous Serial Devices

    ISDN, T1/E1, 56 Kbps leased line, Switched 56 service, etc. The WAN port on the back of the RCS/5000 can be configured to meet any of these standards: •...

  • Page 21: Ethernet Lan

    The RCS comes factory-configured for EIA-232 on the WAN port. To change the WAN port interface setting, use the following command. set wan interface setting where setting is one of the following: rs232, rs422, e530, v.35. To connect synchronous modems, ISDN modems, FRADs, or CSU/DSUs to the RCS, use straight-through cables. Make sure that your cable includes conductors to carry all the signals required for the interface setting you have chosen.

  • Page 22: Starting The Rcs/5000

    4 twisted with 5 7 twisted with 8 Starting the RCS/5000 When the RCS port server 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 23 • Hub port LEDs (LAN, A, B, C) During the self-test, the LED for the hub ports will cycle through: 1. off 2. orange 3. off When the self-test completes, the LEDs will be either off or green. Off means the port is not connected;...

  • Page 24: Chapter 3: Physical Layer Interface Settings

    Chapter 3: Physical Layer Interface Settings The RCS/5000 can be used for communication with RS-232, RS-422, or RS-485 devices. By default, all the RCS ports are configured to communcate using an RS-232 electrical interface, as described in the preceding sections. This section describes connecting RS-422 and RS-485 devices and configuring the RCS to communicate in RS-422 or RS-485 mode.

  • Page 25: 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 3-1 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 3-1.

  • Page 26: 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 3-2 shows a typical two-wire system. MASTER SLAVE SLAVE RS-485 RS-485 RS-485...

  • Page 27: Using The Rcs Port Server In Rs-422 Or Rs-485 Mode

    Typically, a single RCS port server is connected to the bus and functions as the master, but this is determined by the application. Connecting the RCS RCS/5000 Connect the RCS/5000 to the network using any serial port. The RJ-45 pinouts for the RCS/5000 in RS-422 and RS-485 modes are: Physical Layer Interface Settings...

  • Page 28: Configuring An Rcs 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/5000 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 29 set interface 3 rs485 i save To display the current interface configuration setting for port 3, type: show interface 3 If no port is specified in the show interface command, the interface configuration for all ports will be displayed. You can also change the electrical interface using the port configuration section of the browser interface.

  • Page 31: Chapter 4: Troubleshooting

    RCS/5000. LED Displays The LED display may differ depending on the state of the RCS/5000. When the RCS is started, it runs a self-test. If no problems are encountered, it enters the operational state. The LEDs may show different patterns in the self-test state than in the operational state.
  • Page 32 Table 4-1: LED display Error Operation Status LEDs Status LAN, A, B, C Serial Port self-test Yellow, Cycles through: Cycles through: blinks 1. off 1. off rapidly 2. orange 2. green 3. off 3. orange 4. off error orange, orange, solid orange, solid blinking pattern...
  • Page 33 Error Operation Status LEDs Status LAN, A, B, C Serial Port firmware yellow, Either: Off/dark monitor blinks 5 1. off/dark— times per unconnected 2. green— connected to active ethernet network; blinks to show network activity. error orange, orange, solid orange, solid blinking pattern Table 4-2: LED Indicators for Error Conditions...

  • Page 34: Error Codes

    Color/pattern During Error serial port orange, solid self-test error detected on the serial port orange, one operation One or more overrun, parity, or framing blink, returns to errors. green 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 operating system from starting.
  • Page 35 HEX code Error Category HUB test error Appendix: Specifications...

  • Page 36: Appendix: Specifications

    Eight or sixteen asynchronous serial ports with modem control and surge suppression. Asynchronous port data rates of 50 bps to 115.2 Kbps over EIA-232 electrical interface. RCS/5000 uses RJ-45 physical interface. Supports RS-232, RS-422, and RS-485. • External 110 or 240 VAC power supply.

  • Page 37: Model Numbers

    Model Numbers RCS/5008 -- 8 RJ ports, no WAN RCS/5016 -- 16 RJ ports, no WAN RCS/5108 -- 8 RJ ports, with WAN RCS/5116 -- 16 RJ ports, with WAN Ethernet cabling specifications This section describes guidelines for using 10/100BaseT twisted-pair cabling: •...
  • Page 38 Index electrical interface settings, 18 error codes, LED, 28 ethernet network cabling specifications, 31 10/100BaseT, cabling specifications, 31 connecting RCS to, 16 3-wire diagram, 12 FRAD, connecting to WAN port, 15 asynch port, specifications, 30 hardware diagram, 7 HEX error codes, LED blinking, 28 hub ports, description, 16 browser, configuring with, 5 bus configuration, RS-422/485, 19...
  • Page 39 pin assignments, 22 set port to, 22 orange LED, 17 self-test, 16 panel, diagram, 7 serial port parallel port pinouts, 13 setting for RS-232, RS-422, RS-485, 22 parallel printer, 13 specifications, 30 pinouts, 9 start up, 16 synchronous modem, connecting to WAN port, 15 parallel port, 13 WAN synchronous, EIA-530, 15 synchronous serial devices, 14...

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