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Systech Corporation NDS/5000 Hardware Manual

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NDS/5000 and NDS/6000
Hardware
Manual
SYSTECH
C O R P O R A T I O N
Document number 80-001060-5
Revision B

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Summary of Contents for Systech Corporation NDS/5000

  • Page 1 NDS/5000 and NDS/6000 Hardware Manual SYSTECH C O R P O R A T I O N Document number 80-001060-5 Revision B...
  • Page 3 NDS/5000 and NDS/6000 Hardware Manual...

  • Page 4: Revision History

    Revision Description 7/15/03 Initial release 1/31/08 Added 8 and 16 port versions Created 2003, and Protected Under the U.S. Copyright Act of 1976. Copyright © 2003, 2008 SYSTECH Corporation All Rights Reserved This document is subject to change without notice.
  • Page 5 Agency Notifications This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 7: Table Of Contents

    Overview .......................... 7 Planning the installation....................7 NDS Panel Connectors ....................8 Connecting Devices to the NDS ................... 10 NDS/5000 RS-232 Operation ..................10 NDS/6000 RS-232 Operation ..................14 RS-422/485 Operation....................18 Ethernet LAN ......................20 Starting the NDS......................21 CHAPTER 3: USING RS-422 AND RS-485 DEVICES ..........23...

  • Page 9: Chapter 1: Overview

    Chapter 1: Overview The NDS port server provides communication between peripheral devices and computers connected to a network. When the NDS is connected to your LAN and to one or more peripherals, it manages network traffic, routing it to the correct device. For example, the network diagram below shows how the NDS might be used to allow one or more PCs to share expensive peripherals or to access peripherals that are located elsewhere on the local or remote network.

  • Page 10: Nds Features

    NDS Features The NDS offers the following features and benefits: • Easy web-based set up and configuration • Open systems communications for multi-site data networks • Can be used in a variety of data communications applications • NDS-6000: 2, 4 or 8 DB-9 (with screw-down connectors) •...

  • Page 11: Description Of Nds Models

    The NDS is available in the 5000 and 6000 series of models. These products are functionally equivalent except for the serial port connectors. The NDS/5000 series of products have RJ-45 serial connectors. The NDS/6000 series of products have DB-9 serial connectors.

  • Page 12: Using The Nds

    Using the NDS Using the NDS requires three steps: Hardware installation Configuration Operation Hardware installation is documented in this manual. NDS Administrator's Guide Refer to the for configuration and operation. Using the NDS...

  • Page 13: Chapter 2: Installing The Hardware

    Chapter 2: Installing the Hardware This chapter describes installing the hardware, including: • Planning the installation • Checking cables and connectors • Sample configurations Overview Installing the NDS hardware includes the following steps: 1. Plan the installation 2. Connect the NDS port server to your network The most common connection method is through the 10/100 Base-TX RJ-45 connector (which is labeled LAN) to your Ethernet LAN, using a standard straight-through Ethernet cable to a hub/switch.

  • Page 14: Nds Panel Connectors

    NDS Panel Connectors The following figures show the connectors and LED locations for the NDS models. There are: • 2-8 DB-9 or 2-16 RJ-45 serial ports • 1-4 RJ-45 Ethernet ports and • an optional Fiber (100FX) port (2-4 port models only) STATUS RESET STATUS...

  • Page 15: Troubleshooting

    10/100TX ONLY 10/100TX 10/100TX 10/100TX 10/100TX ONLY A B C D 10/100TX 10/100TX 10/100TX 100FX ONLY A B C D Figure 2-3: NDS 2-4 Port Rear Panel Connectors UNLOCK/LOCK 10/100 TX 10/100 TX 10/100 TX 10/100 TX DEBUG POWER Figure 2-4: NDS 8-16 Port Rear Panel Connectors The Unit Status LED indicates the overall status of the device.

  • Page 16: Connecting Devices To The Nds

    The cable shown in Figure 2-2 or Figure 2-3 may be used to connect most ASCII terminals or serial printers to NDS/5000 serial ports. The cable shown in Figure 2-4 or Figure 2-5 may be used to connect modems to the NDS/5000. Modems should be configured to switch their...
  • Page 17 (CD) on and off in response to making and breaking telephone connections. This insures that the NDS/5000 terminates users’ sessions when they disconnect. Figure 2-6 shows a 3-wire cable. Pin 1 RJ-45 Plug Pin DB-25 Plug Pin...
  • Page 18 Pin 1 RJ-45 Plug Pin DB-9 Plug Pin Number Number/Signal 1 DCD 4 DTR 2 RTS 8 CTS 3 SG 5 SG 6 SG 4 TXD 2 RXD 5 RXD 3 TXD 7 CTS 7 RTS 8 DTR 1 DCD 6 DSR Figure 2-3: RJ-45 to DB-9 Terminal Cable Pin 1...
  • Page 19 Figure 2-5: RJ-45 to DB-9 Modem Cable The NDS/5000 does not require the use of all 8 wires. Only the RX, TX, and GND signals are essential. DTR/DSR and RTS/CTS are only necessary for flow control. DCD (pin 1) is normally not required.

  • Page 20: Nds/6000 Rs-232 Operation

    RJ-45 to DB-25 or DB-9 adapters may be used with RJ-45 cables to create the cable configurations shown in Figure 2-2 through Figure 2-6. In most cases, you use “straight through” RJ-45 cables. If you use “crossover” RJ-45 cables, the RJ-45 pins will be reversed. Figure 2-7 and Figure 2-8 illustrate the difference between the two types, when constructed with flat 8-conductor wire.
  • Page 21 powered on Signal ground Signals module that remote device is attached and powered on Flow control, to enable remote device to send data Flow control, to enable NDS to send data on TX Ring Indicator Table 2-9: EIA-232 DB-9 Pinouts Figure 2-10, Figure 2-11, and Figure 2-12 show cable diagrams for three common configurations.
  • Page 22 DB-9 Pin DB-25 Pin Number Number/Signal 1 DCD 8 DCD 2 RX 3 RX 3 TX 2 TX 4 DTR 20 DTR 5 GND 7 GND 6 DSR 6 DSR 7 RTS 4 RTS 8 CTS 5 CTS 9 RI 22 RI Figure 2-11: DB-9 to DB-25 Modem Cable DB-9 Pin...
  • Page 23 DB-9 Pin DB-25 Pin Number Number/Signal 1 DCD 8 DCD 2 RX 2 TX 3 TX 3 RX 4 DTR 6 DSR 5 GND 7 GND 6 DSR 20 DTR 7 RTS 5 CTS 8 CTS 4 RTS 9 RI 22 RI Figure 2-13: DB-9 to DB-25 3-wire Terminal Cable Installing the Hardware...

  • Page 24: Rs-422/485 Operation

    RS-422/485 Operation Unlike RS-232, the RS-485 and RS-422 specifications do not have a standard set of pinouts. In general, whenever you use RS-422/485 devices you will need to make custom cables. The NDS DB-9 pinouts for RS-422 /RS-485 mode are shown in Table 2-14. The RJ-45 pinouts are shown in Table 2-15.
  • Page 25 most cases, the “-” signal corresponds to the “A” signal and the “+” signal corresponds to the “B” signal, but some devices reverse this. Refer to the chapter on Using RS-422 and RS- 485 Devices for more information on wiring and using 2-wire and 4-wire RS-422/485 networks with the NDS.

  • Page 26: Ethernet Lan

    Ethernet LAN The NDS is connected to your LAN using an Ethernet port. The Ethernet port on the NDS is a standard 10/100 Base-TX RJ-45 jack. It can be connected to an Ethernet hub/switch via a standard, straight-through Ethernet cable. Figure 2-16: Network Topology Example The switch versions of the NDS have four 10/100 Base-TX Ethernet ports.

  • Page 27: Starting The Nds

    Starting the NDS When the NDS is powered up, 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. • Status LED – initially this LED will be yellow, but will quickly turn green. If the status LED is solid green, then the NDS doesn’t have a permanent IP address and is trying to obtain one from a DHCP server.

  • Page 29: Chapter 3: Using Rs-422 And Rs-485 Devices

    Chapter 3: Using RS-422 and RS-485 Devices The NDS can be used to communicate with RS-422 and RS-485 devices. This chapter describes connecting these devices and configuring the NDS to communicate in this mode. Connecting RS-422/485 Devices RS-422 and RS-485 modes are very similar, except that in RS-422 mode the transmitter remains enabled at all times;...

  • Page 30: Rs-422/485 Bus Configurations

    RS-422/485 RS-422/485 TXA TXB RXA RXB TXA TXB RXA RXB Figure 3-1: RS-422/485 point-to-point connection Notice the termination on each end of the connection. The receiving end of the wire should be terminated with a resistance equal to the wire's characteristic impedance, generally 100- 120 ohms.
  • Page 31 MASTER SLAVE SLAVE RS-485 RS-485 RS-485 TXA TXB RXA RXB TXA TXB RXA RXB TXA TXB RXA RXB Figure 3-2: Two-wire RS-485 System In the two-wire system diagrammed in Figure 3-2, one pair of transmit and receive lines (TXA and RXA) are connected to a single wire and the other pair of transmit and receive lines (TXB and RXB) are connected to the second wire.

  • Page 32: Four-Wire Systems

    Four-Wire Systems In four-wire communication, there are two pairs of transmit and receive lines, allowing full duplex communication. In most four-wire systems, an RS-422 device will serve as the master with several RS-485 devices as slaves. However, an RS-422 device is not required; an RS-485 device can serve as the master.

  • Page 33: Chapter 4: Troubleshooting

    Chapter 4: Troubleshooting The NDS has several LED indicators: Unit Status, Serial ports, and Ethernet. The LEDs use red, yellow, and green blinking combinations to indicate the status of each of the NDS’s major components. Status LED The status LED indicates the overall status of the NDS. See Table 4-1. Status LED Condition Meaning Solid Green...

  • Page 34: Serial Port Leds

    Serial Port LEDs Each serial port has a Port LED that describes port activity. Table 4-2 describes the various Port LED states. Port LED Condition Meaning Port is closed or no power. Solid Green Port is open, but idle Blinking Green Port is open, and data is being transmitted or received.

  • Page 35: Appendix: Specifications

    Appendix: Specifications NDS Hardware Specifications • ARM7 50MHz CPU (2-4 port units) or ARM9 166MHz CPU (8-16 port units) • 512K to 8Mbytes in-circuit boot flash and program memory • 8 to 64 Mbytes SDRAM • 10/100 Mbps Ethernet connection over 10/100 Base-TX or 100 Base-FX physical lines •...

  • Page 36: Model Numbers

    Model Numbers NDS/5102 Two Ports, RJ-45, one 10/100 Base-TX port NDS/5202 Two Ports, RJ-45, four-port 10/100 Base-TX Ethernet switch NDS/5302 Two Ports, RJ-45, three 10/100 Base-TX Ethernet, one 100 Base-FX Fiber NDS/5104 Four Ports, RJ-45, one 10/100 Base-TX port NDS/5204 Four Ports, RJ-45, four-port 10/100 Base-TX Ethernet switch NDS/5304 Four Ports, RJ-45, three 10/100 Base-TX Ethernet, one 100 Base-FX Fiber...

  • Page 37: Power Requirements

    Power Requirements Units in plastic enclosures use an external power supply. The Rackmount units have an internal power supply. Models Input Power Output Power 2-4 port units 100-240VAC, 50-60HZ 0.3A 5V 2.0A 8-16 port units, plastic enclosure 100-240VAC, 50-60HZ 0.7A 5V 4.0A 8-16 port units, rackmount 85-264VAC, 47-63HZ...
  • Page 38 DB-9 serial port diagram, 8 DB-9 serial ports 3-wire diagram pinouts, 14 NDS/5000, 13 DB-9 to DB-25 3-wire terminal cable diagram, 17 NDS/6000, 16 DB-9 to DB-25 modem cable diagram, 16 3-wire terminal, cable diagram, DB-9 to DB-25, 17 DB-9 to DB-25 terminal cable diagram, 15...
  • Page 39 RJ-45 to DB-9, 13 RS-422 and RS-485 comparison, 23 RS-422/485 topology, 23 RS-485, 23 pinouts, 18 panel, diagram, 8 pinouts NDS/5000, 10 NDS/6000, 14 self-test, 21 sessions, terminating on modem disconnect, 15 RS-422, 18 RS-485, 18 specifications, 29...

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