WTI NPS-2HD User Manual
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WTI NPS-2HD User Manual

Heavy duty network power switches
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NPS-2HD
Heavy Duty Network Power Switches
User's Guide

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Summary of Contents for WTI NPS-2HD

  • Page 1 NPS-2HD Heavy Duty Network Power Switches User's Guide...

  • Page 3: Warnings And Cautions

    Warnings and Cautions: No Serviceable Parts Inside; Authorized Service Personnel Only Do not attempt to repair or service this device yourself. Internal components must be serviced by authorized personnel only. • Shock Hazard - Do Not Enter Nameplate Power Warning This device should only be operated with the type of power source indicated on the instrument nameplate.
  • Page 4 Rack Mount Installation (Continued) 1. Enclosed Racks (Continued): The ambient within the rack may be greater than room ambient. Installation should be such that the amount of air flow required for safe operation is not compromised. The maximum temperature for the equipment in this environment is 45°C.
  • Page 5 Table of Contents...
  • Page 6 List of Figures...
  • Page 7 Network equipment sometimes "locks-up", requiring a service call just to flip the power switch to perform a simple reboot. The NPS-2HD Heavy Duty Network Power Switch gives you the ability to perform this function from anywhere on the LAN/WAN, or if the network is down, to simply dial-in from a modem for out-of-band power control.
  • Page 8 Typographic Conventions Throughout this manual, typefaces and characters have been used to denote the following: COURIER FONT [Bold Font] Indicates characters typed on the keyboard. For example, /ON 1 or /OFF 2. Text set in bold face and enclosed in square brackets indicates a specific key.

  • Page 9: Unit Description

    2. Unit Description 2.1. Front Panel As shown in Figure 2.1, the NPS-2HD front panel includes a series of LED indicators which function as follows: À ON: Lights when AC Power is applied to the NPS-2HD. Á RDY: Flashes when the NPS-2HD is ready to receive commands.

  • Page 10: Back Panel

    Ethernet port for connection to your TCP/IP network. To communicate via Network, you must first specify network parameters as described in Section 5.6. Note: The NPS-2HD features a 10BaseT interface. When connecting the NPS to a 100BaseT interface, note that most 100BaseT router switches will autosense to determine if the device is 100BaseT or 10BaseT and then configure the network interface accordingly.

  • Page 11: Quick Start Guide

    User's Guide and the cable clamp installation instructions in Section 4.1. 2. Connect a PC to the NPS-2HD: Attach a standard null modem cable from your PC COM port to the Console Port connector on the NPS back panel.
  • Page 12 4. Configure Network Port: In order to allow communication with the NPS-2HD via the Network Port, you must first define the IP Address, Subnet Mask, and Gateway Address. At the NPS command prompt, type /N and press [Enter] to display the Network Parameters menu.
  • Page 13 6. Connect Network Cable: Connect your network interface to the NPS-2HD Network Port. The Network Port is an RJ45, 10BaseT Ethernet jack, for connection to a TCP/IP network. Note: The NPS-2HD features a 10BaseT Interface.
  • Page 14 8. Test Boot Commands: When the NPS-2HD is powered up, both switched plugs will be set in the ON position. In order to test for proper operation, you may wish to perform the following test. Note that it is not necessary to connect a device to either switched outlet in order to perform this test.

  • Page 15: Installation

    4. Installation 4.1. Power Connection Note that the NPS-2HD features two separate 20 amp buses. In order for both buses to function, power must be connected to both input connectors on the unit's back panel. Prior to connecting power supply cables to the unit, please refer to the cautions below, and the cable clamp installation instructions in Sections 4.1.1 and 4.1.2.
  • Page 16 Output Cable Clamp 1. Loosen Screws: Locate the two screws which secure each output jack to the NPS-2HD back panel. Carefully loosen each screw to provide sufficient room for the cable clamp to be attached after it is fitted to the cable.
  • Page 17 4.1.3. Input Cable Clamp 1. Loosen Screws: Locate the two screws which secure each input jack to the NPS-2HD back panel. Carefull loosen each screw to provide sufficient room for the input jack clamp to be attached. Note: Make certain to loosen the screws enough to allow the clamp to be installed, but do not entirely remove the screws from the NPS back panel.

  • Page 18: Option Switches

    Section 4.3. • Although the Option Switches select default settings for these features, the NPS-2HD configuration menus can also be used to select operating parameters as described in Section 5. •...

  • Page 19: Reset Unit To Defaults

    Typically, this method is used when you have immediate access to the installation site. 1. Simultaneously press the DEFAULT and RESET buttons, located on the NPS-2HD Back Panel. 2. Release the RESET button, wait for approximately five seconds, and then release the DEFAULT button.

  • Page 20: Console Port Connection

    Port. Before attempting to access the unit via network, please assign the IP Address, Gateway Address and Subnet Mask as described in Section 5.6. Note: The NPS-2HD features a 10BaseT interface. When connecting the NPS to a 100BaseT interface, note that most router switches will autosense to determine if the device is 100BaseT or 10BaseT and then configure the network interface accordingly.

  • Page 21: System Mode And User Mode

    User Password (defined via the Plug Configuration Menus) is entered, the User Mode will be active. If the System Password is not defined, the NPS-2HD will not display the password prompt, and will always start-up in System Mode. Once the System Password has been defined, individual users can be granted access by assigning passwords to the NPS's two switched plugs as described in Section 5.5.

  • Page 22: Communicating With The Nps

    NPS and access the command mode. 1. The NPS-2HD is transparent to parity and will accept 7 or 8 bit characters, but will always answer back at 8 bits, no parity. Make certain your communication program (e.g.

  • Page 24: Nps Command/Menu Conventions

    User Mode. The General Parameters menu offers the following options: 1. System Password: (Up to 16 characters, case-sensitive) When the System Password is defined, the NPS-2HD will display a prompt before allowing access to command mode. If the System Password is entered, the NPS will start-up in System Mode.
  • Page 25 3. Modem Initialization String: To define the Modem Initialization String (up to 32 characters), type 3 and press [Enter]. For more information on the initialization string, please refer to the user's guide for your external modem. Make certain that the modem is set to auto- answer in one ring.
  • Page 26 10. Button Mode: Enables/disables the manual plug control buttons on the NPS-2HD front panel. When enabled, the NPS's two switched plugs can be toggled On and Off by pressing and holding the manual control button for approximately one second.

  • Page 27: Plug Parameters

    A. Default Parameters: Resets the NPS to the default values specified by the Option Switches. In addition, all menu selected parameters, including port names and passwords, will be lost. Note that if Command Confirmation is disabled, the "Sure?" prompt will not be sent. Note: If the Default Parameters function is invoked via the Network Port, the IP Address is not reset.
  • Page 28 2. Password: (Up to 16 Characters) Assigns a User Password to this plug. When a User Password is assigned, the plug is then "owned" by that password. When a User Password is entered at login, the user will have access to only the plug(s) which are owned by this password.

  • Page 29: Network Parameters

    5.6. Network Parameters In order to communicate with the NPS-2HD via network, the IP Address, Subnet Mask and Gateway Address must first be defined using the Network Parameters menu. If desired, this menu also allows you to implement IP Security features, which restrict command mode access based on the user's IP Address.
  • Page 30 5.6.1. Implementing IP Security The NPS-2HD can be configured to restrict unauthorized IP addresses from Telneting to the unit. This allows the user to grant Telnet access to only a specific group of IP addresses, or block a particular IP address from gaining access. In the default state, the NPS accepts incoming IP connections from all hosts.
  • Page 31 Example 1: Deny access to all hosts except 192.1.1.5: Since 255 is a wild card, Mask #1 blocks all IP Addresses. Mask #2 then specifically grants access to 192.1.1.5 only. Example 2: Allow access only by addresses that begin with 192. Since 255 is a wild card, Mask 1 blocks all IP addresses.

  • Page 32: Save Configuration Parameters

    5.7. Save Configuration Parameters After the unit has been completely configured, it is recommended to save parameters to an ASCII file as described in Section 7. This allows quick recovery in the event that the unit is reset to default parameters, or the configuration is accidentally deleted or altered.

  • Page 33: Operation

    6. Operation 6.1. Access the NPS-2HD Command Mode Commands can be sent to the NPS-2HD via Network or modem, or from a local PC connected to the Console Port. To access the Command Mode, proceed as follows: Note: Only one port can access command mode at a given time.

  • Page 34: Displaying Plug Status

    6.2. Displaying Plug Status The Status Screen displays the On/Off state and selected parameters for the switched plugs. To display the Status Screen, type /S and press [Enter]. Note that although the /S command is available in both User and System Mode, the System Status Screen includes more information than the User Status Screen.
  • Page 35 6.3. Boot/On/Off Commands These commands are used to Boot or toggle the On/Off status of the NPS's two switched plugs. If the same password has been applied to both switched plugs, commands can be directed to Plug 1, Plug 2, or both switched plugs. If a separate User Password has been assigned to each plug, then commands can only be applied to the plug that is owned by the User Password entered at log in.
  • Page 36 2. Switch Plug(s) On: To power-on a plug, type /ON n and press [Enter]. Where "n" is the number or name of the desired plug. Examples: · To power-on both plugs, type /ON * and press [Enter]. · To power-on Plug One, type /ON 1 and press [Enter]. 3.

  • Page 37: The Default Command

    This command will always be applied to all owned plugs. It cannot be directed only to a specific plug. 6.5. The Automated Mode The Automated Mode allows the NPS-2HD to perform On/Off/Boot/Default/Exit commands, without displaying menus or generating response messages. Automated Mode is designed...
  • Page 38 To enable/disable the Automated Mode, access the NPS General Parameters menu, and proceed as described in Section 5.4. When the Automated Mode is enabled, NPS functions will change as follows: 1. All Password Security Suppressed: When a user attempts to access the NPS command mode, the password prompt will not be displayed at either the Network Port, Modem Port, or Console Port.

  • Page 39: Other Commands

    6.6. Other Commands 6.6.1. Login as Different User The /R command is used to re-login using a different password. When invoked, the NPS will display the password prompt, allowing the user to enter a different password in order to access the other plug or System Level command functions.

  • Page 40: Manual Operation

    /X command when finished communicating with the unit. When a command port is busy, the NPS-2HD will react as follows: a) Network Port Busy: If a second user attempts to connect via the Modem Port, the NPS will send a busy message.

  • Page 41: Saving And Restoring Configuration Parameters

    Saved parameters can also be uploaded to other NPS-2HD units. This allows rapid set-up when several units will be configured with the same parameters.

  • Page 42: Restoring Saved Parameters

    IP Address, Subnet Mask, and Gateway Address cannot be altered. 5. Type /SP and press [Enter], the NPS-2HD will display the Status Screen with passwords revealed. Check the Status Screen to make certain that saved parameters have been restored.

  • Page 43: Interface Descriptions

    A. Interface Descriptions A.1. Console Port Interface...
  • Page 44 A.2. Modem Port Interface...

  • Page 45: Specifications

    B. Specifications Power Input/Output; Model NPS-2HD (115 VAC) AC Inputs: Two (2); Bus 1 and Bus 2. Input Voltage: 105 - 120 VAC, 60 Hz Input Connector: IEC-320-C19 Inlet AC Outputs: Two (2); Bus 1 and Bus 2 Output Connector: IEC-320-C20 Outlet...

  • Page 46: Customer Service

    C. Customer Service Customer Service hours are from 8:00 AM to 5:00 PM, PST/PDT, Monday through Friday. When calling, please be prepared to give the name and model of the unit, its serial number and a description of its symptoms. If the unit should need to be returned for factory repair it must be accompanied by a Return Authorization number from Customer Service.
  • Page 47 Trademark and Copyright Information WTI and Western Telematic are trademarks of Western Telematic Incorporated. All other product names mentioned in this publication are trademarks of their respective companies. Information and descriptions contained herein are the property of Western Telematic, Inc.. Such information and descriptions may not be copied, disseminated or distributed without the express written consent of Western Telematic, Incorporated.
  • Page 49 Index...
  • Page 52 · · · ·...

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