Western Telematic NPS-2HD User's Manual
Contents
1. 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 a Settings for network parameters will depend on the configuration of your individual network Please contact your network administrator in order to determine the appropriate settings for the IP Address Subnet Mask and Gateway Address b To assign network parameters key in the number for the desired parameter press Enter and then follow the instructions in the resulting submenu For example to define the IP Address type 1 and press Enter Quick Start Guide Exit Command Mode When you have finished setting Network Parameters type X and press Enter to exit the command mode at the Console Port Note Only one port may access the NPS command mode at a given time In order to allow access to the NPS unit via other ports always exit from the command mode when you are finished communicating with the unit 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 When connecting to a 100BaseT interface note that most router switches will autosense to determine if the device is 100BaseT or 10BaseT2. 7 2 Start your communications program and access the NPS command mode using the System Level Password Configure your communications program to upload an ASCII text file Upload the file with the saved parameters If necessary key in the file name and directory path When the upload is complete make certain to terminate the communications program s upload mode Note The current On Off status of each NPS 2HD plug will not be saved or restored However the selected default On Off setting for each plug will be saved and restored e When the configuration file is sent to the NPS 2HD via telnet the unit s IP Address Subnet Mask and Gateway Address cannot be altered 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 A Interface Descriptions A 1 Console Port Interface Data In Data Out Ready Out Request Ready to Send Clear to Send Figure A 1 Console Port Interface Apx 1 A 2 Modem Port Interface Carrier Detect Data In Data Out Ready Out Request Ready to Send Figure A 2 Modem Port Interface Apx 2 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 Load 20
3. 0 cee eee ee 7 2 SAVING raha esa ots eI cA 7 1 PasswordS o oooo o 5 1 6 7 Displaying o oooooo o o 6 2 SUPPTCSS kiii ei cece eee eee 6 6 SYSTEM ui eu pa See aes 5 4 A vM 5 8 Permit Access o oo o o 5 10 Ping Packet Size 6 8 Plug Control o oo o o 6 3 Plug Defaults 5 8 6 5 Plug Indicators 2 1 Plug Name ce eee eee eee 5 7 Plug Ownership 5 1 5 7 Plug ParametetS 5 7 Plug Password o ooo o o 5 8 Plug Status ga pti 6 2 Plugs RI leek Cen 2 2 Port BUSY ee 6 8 Power Inlet 2 2 Index 2 Power Supply 4 1 to 4 3 Power Up Default 5 8 6 5 Quick Statt 3 1 to 3 4 R Rack Mount Installation i RDY Indicator 2 1 Reset Button 2 2 4 5 Reset Network Port 6 7 Reset ParameterS 5 7 Restoring Parameters 7 2 RXD Indicator 2 1 S Safety Information i Saving Parameters 7 1 SECU teet eene gehe 5 1 Site ID Message 5 4 Specifications suu Apx 2 Status Screen 00 0000 6 2 SUPPTCSS 00 ooocoommo cmo 6 6 Subnet Mask 5 9 Sure ProMPt o oo oo 5 4 5 6 SUP Pe SS oia ai 6 6 Switched OutletS 2 2 System Mode 5 1 6 7 System Passw0ld o o o oo 5 4 T Technical Support
4. us RR vem e f s 5 3 5 3 General Parameters Menu System Mode Only 5 5 5 4 Plug Parameters Menu Plug 1 Shown 5 8 5 5 Network Parameters Menu System Mode Only 5 9 5 6 IP Security Menu eub nere dus data Feat ae X 5 10 6 1 System Status Screen Passwords Hidden 6 2 A l Console Port Interface o Apx 1 A32 Modem Port Interface aai ne o RT Apx 1 iv 1 Introduction 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 Intelligent Power Control The NPS 2HD can communicate over any TCP IP network using standard Telnet or out of band using an external modem and terminal emulation Each outlet can be assigned an individual password device name reboot delay time and unique power up default status Security Address specific IP security masks prevent unauthorized users from accessing the NPS command menu via network The NPS provides two separate password security levels System level and User level The System password allows access to all configuration and command functions The User password allows limited access to command functions Easy to Use Easy to Configure The NPS
5. Apx 3 Tm COUPES AA do eo eme ds 5 6 U Uploading Parameters 7 2 User Mode oo o oo 5 1 6 7 User Password o ooo oo 5 8 WwW WarningS cece cece eee nee i rg B vestem telematic inc 5Sterling Irvine California 92618 949 586 9950 Toll Free 1 800 854 7226 Fax 949 583 9514 http www wti com
6. introductions a cene eee oca a a 1 1 2 Unit Description uc ERU E A e ji vi hes 2 1 Deals Front Panels es S ieu k SY EROR EO Dg Aa 2 1 2 2 Back Panel tac ataca do doe X D D Poe PR Re dg 2 2 3 Quick Start Guide si sess a III Be 3 1 4 Installation 0 00 a crasas eC YU EIN 4 1 4 1 Power Connection nA 4 1 4 1 1 Cable Clamp Installation 4 1 4 1 23 Output Cable ClamP 4 2 4 1 3 Input Cable Clamp 4 3 432 Option SWIHClIeS vg ps GE eT Sem at eee 4 4 4 3 Reset Unit to Defaults eee 4 5 4 3 1 Default Button Reset Button Local 4 5 4 3 2 Default Parameters Option 4 5 4 4 Console Port Connection 4 6 4 5 Connecting an External Modem 4 6 4 6 Connecting the Network Cable 4 6 5 Configuration eee eee ee hh th 5 1 5 1 System Mode and User Mode 00000 5 1 5 2 Communicating with the NPS 5 2 5 3 NPS Command Menu Conventions 5 4 5 4 Defining General Parameters ees 5 4 5 5 Plug Parameters io aaa ox xd d dux BR SS 5 7 5 6 Network Parameters lee 5 9 5 6 1 Implementing IP Security 5 10 5 7 Save Configuration ParameterS 5 12 6 Operation s sme s ipne oye o een ie he I aa Dep a be Des e 6 1 6 1 Access the NPS 2HD Command Mode 6 1 6
7. 1 Modem Disc String undefined Baud Rate 9600 N 8 1 Command Echo Off Disconnect Timeout 2 Min Command Confirmation On Automated Mode On O Button Mode On 1 Lia 3 4 5 6 7 8 9 1 A Default Parameters Enter Selection or ESC to Exit Figure 5 3 General Parameters Menu System Mode Only 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 Default ATEOM0Q1 amp C1 amp D2S0 1 4 Modem Disconnect String To define the Disconnect String up to 32 characters type 4 press Enter and follow the instructions in the submenu For more information please refer to the user s guide for your external modem Default undefined 5 Baud Rate To select the baud rate for the Modem Port and Console Port type 5 press Enter and follow the instructions in the submenu Make certain to select a rate that is compatible with the external modem and or the device connected to the Console Port Default value determined by Option Switch 1 Factory Setting 9600 Note When this setting is changed the new baud rate will not be applied until the user exits and then re enters the NPS Command Mode 6 Command Echo Enables Disables the command echo When ena
8. 2 Displaying Plug Status llle 6 2 6 3 Boot On Off Commands 6 3 6 4 The Default Command o eee enue 6 5 6 5 The Automated Mode llle 6 5 6 6 Other Commands sse saada leen 6 7 6 6 1 Login as Different USeT 6 7 6 6 2 Reset Network Port 6 7 6 6 3 Exit Disconnect o 6 7 6 7 Manual Operation usus RR cy ox eR Ra 6 8 6 8 Op rating TIPS s i k oux xx a mm m Rm Rom 6 8 NPS 2HD Heavy Duty Network Power Switch User s Guide 7 Saving and Restoring Configuration Parameters 7 1 7 1 Sending Parameters toa File 7 1 7 2 Restoring Saved Parameters o 7 2 Appendices A Interface DescriptioNS lt lt oo Apx 1 A l Console Port Interface o o ooo Apx 1 A 2 Modem Port Interface o o o o Apx 1 B Specifications ooo o a nnn Apx 2 Customer Service eee nnn Apx 3 Tide eet ps BS Sie Ge Aes a he tine tada ao Index 1 List of Figures 2 1 Eronet Panele apy ey ri rp a Re A a R 2 1 Dio 4Back Panel sss queam ne eb ce nd ee et ae ean ak 2 2 Zul Thessystem Help Sereen ei pee tbe ae e and ae 3o ce a 3 2 4 1 Output Cable Clamp Installation 4 2 4 2 Input Cable Clamp Installation 4 3 5 1 System Help Screen ada cg RXGSRLGIX Axa 5 3 3 2 User Help SETE
9. Amps Each Bus Modem and Console Port Interface Connector DB9M RS232C DTE Coding Serial ASCII 8 Bits No Parity Physical Environmental LED Indicators ON RDY RXD DCD NET Outlet ON 1 2 Size 1 75 H x 19 0 W x 7 5 D IRU Weight 10 Lbs Shipping Weight Operating Temperature 0 C to 45 C Humidity 10 90 RH Non Condensing Apx 3 NPS 2HD Heavy Duty Network Power Switch User s Guide 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 WTI Customer Service 5 Sterling Irvine California 92618 Toll Free Service Line 1 888 280 7227 Local Phone 949 586 9950 Service Fax 949 457 8138 Email service wti com Apx 4 Appendices 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 C
10. DTR will drop and the modem disconnect and initialize strings will be sent Switch Function Up Down Default Baud Rate 38 4K bps 9600 bps Default Boot Delay 10 Sec 5 Sec Default Command Echo Enable Disable Default Disconnect Timeout 30 Min 2 Min AJIN Factory Setting 4 4 Installation 4 5 Reset Unit to Defaults If Option Switch settings are changed the new settings will not be applied until the unit 1s reset to default settings There are two ways to reset the unit to defaults 4 3 1 Note When these reset procedures are performed all user selected parameters including passwords and port names will be lost Prior to performing these reset procedures it is strongly recommended to save configuration parameters to an ASCII text file as described in Section 7 Default Button Reset Button Local Typically this method is used when you have immediate access to the installation site 1 4 3 2 Simultaneously press the DEFAULT and RESET buttons located on the NPS 2HD Back Panel Release the RESET button wait for approximately five seconds and then release the DEFAULT button Default Parameters Option To reset the unit to default parameters using the General Parameters Menu s Default Parameters option proceed as follows Note that this method requires that you have already connected a local or remote PC to the unit and have accessed the command mode 1 2
11. Each IP Address consists of a series of four eight bit numbers The number 255 is used as a wild card 5 10 Configuration Example 1 Deny access to all hosts except 192 1 1 5 Security Mask 1 255 255 255 255 Mask 1 Action Deny Security Mask 22 192 1 1 5 Mask 2 Action Permit 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 Security Mask 1 255 255 255 255 Mask 1 Action Deny Security Mask 2 192 255 255 255 Mask 2 Action Permit Since 255 is a wild card Mask 1 blocks all IP addresses Mask 2 then grants access to all addresses that begin with 192 Example 3 Allow access only by addresses that begin with 192 deny access to 192 1 1 5 Security Mask 1 255 255 255 255 Mask 1 Action Deny Security Mask 2 192 255 255 255 Mask 2 Action Permit Security Mask 23 192 1 1 5 Mask 3 Action Deny Since 255 is a wild card Mask 1 blocks all IP addresses Mask 2 then grants access to all addresses that begin with 192 Finally Mask 3 specifically blocks access by 192 1 1 5 Note Mask 5 has priority over the other four masks If Mask 5 is set to deny access by 255 255 255 255 all wild cards all IP Addresses will be blocked and you will not be able to access the NPS Command Mode via network Access will only be allowed via the Console Port or Modem Port When
12. Security Mask 3 undefined Mask 3 Action Permit Security Mask 4 undef ined Mask 4 Action Permit Security Mask 5 undef ined O Mask 5 Action Permit 1 2s 3 4 5 6 7 8 9 1 Enter Selection or ESC to Exit Figure 5 6 IP Security Menu 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 To configure the IP Security feature proceed as follows 1 Access the Network Parameters menu as described in Section 5 6 Note that the Network Parameters menu is not available in User Mode 2 When the Network Parameters menu appears type 4 and press Enter to access the IP Security menu Figure 5 6 3 The IP Security menu lists five IP Security masks along with the selected permit deny action for each mask a Each Security Mask prompt is used to define a specific IP address or range of IP addresses Each Mask Action prompt is used to define the permit deny action for the corresponding Mask b Masks are listed in order of ascending priority Mask 1 has the lowest priority Mask 5 has the highest priority c Masks have a cumulative effect high priority masks supersede the effect of lower priority masks d
13. and then configure the network interface accordingly If your router switch does not autosense then the network interface port must be manually set to 10BaseT Network Access Telnet to the NPS s IP address For example if the IP address is 119 1 1 1 on a UNIX system the Telnet command would be invoked as follows telnet 119 1 1 1 Enter After the Telnet connection is established the NPS should display the System Help Screen and the NPS command prompt should appear indicating that you have successfully accessed the NPS Command Mode via the Network Port NPS 2HD Heavy Duty Network Power Switch User s Guide 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 a Reboot Plugs To initiate a boot cycle at both plugs go to the NPS command prompt and type BOOT and press Enter Power to both plugs will be switched OFF After the Boot Delay Period Default 5 Seconds the power to both plugs will then be automatically switched back ON Note that the Plug Status Indicators on the NPS 2HD front panel will also switch Off and On b Switch Plugs OFF To switch both plugs OFF go to the NPS command prompt type OFF and then press Enter Power to both plugs will be switched O
14. at either the Network Port Modem Port or Console Port Unless restricted by the IP Security Function all users will be allowed to access System Level command functions and control both plugs At the Console Port all commands are immediately accepted whether the port is awake or asleep Status Screen Suppressed The status screen will not be automatically displayed after commands are successfully executed Note however that the S command can still be invoked to display the status screen as required Sure Prompt Suppressed All commands are executed without prompting for user confirmation Error Messages Suppressed Ifthe Enter key is pressed without entering a command the NPS will not respond with the Invalid Command message Note however that an error message will still be generated if commands are invoked using invalid formats or arguments All other status display and configuration commands will still function as normal 6 6 Operation 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 The R command is typically used to switch from User Mode to System Mode The R command is available in both System Mode and User Mode To login as a different user type R press Enter
15. the jack and then tighten the retaining screw to secure the clamp to the cable 4 3 NPS 2HD Heavy Duty Network Power Switch User s Guide 4 2 Option Switches The Option Switches select default settings for the Baud Rate Command Echo Boot Delay and Disconnect Timeout Default settings selected via the Option Switches will be used when the unit is reset to default parameters as described in Section 4 3 Notes 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 If Option Switch settings are changed the new settings will not be applied until the unit is reset as described in Section 4 3 Option Switch settings are described below Baud Rate The default baud rate for the Console Port and Modem Port Boot Delay The default Boot Delay setting When a boot cycle is initiated the Boot Delay determines the length of time that the switched outlet will remain off until power is restored Command Echo The default setting for the Command Echo for the Console Port Modem Port and Network Port When enabled commands entered at your keyboard will be sent to the NPS and echoed back to your display monitor Disconnect Timeout The default Disconnect Timeout value This determines how long the NPS will wait for additional commands before automatically disconnecting Note that when the NPS times out
16. Access the NPS Command Mode see Section 6 1 At the NPS gt command prompt type G and press Enter The General Parameters menu will appear From the General Parameters menu type A and press Enter If command confirmation is enabled the unit will display a Sure prompt Type Y and press Enter to proceed with the reset procedure After a brief pause parameters will be reset to default values Note If the Default Parameters function is invoked via the Network Port the IP Address will not be reset If this function is invoked via the Console Port or Modem Port the IP Address will be reset 4 5 NPS 2HD Heavy Duty Network Power Switch User s Guide 4 4 Console Port Connection The Console Port is a male DB9 connector wired in a DTE configuration similar to an AT computer which is used for connection to a local PC or control device Appendix A describes the Console Port interface 4 5 Connecting an External Modem When connecting directly to an external modem use a standard DB9 AT to Modem cable Section 5 4 describes the procedure for defining the modem command strings Appendix A describes the modem port interface 4 6 Connecting the Network Cable The Network Port is an RJ45 Ethernet jack for connection to a TCP IP network Connect your 10Base T cable to the Network Port Before attempting to access the unit via network please assign the IP Address Gateway Address and Subnet Mask as described in S
17. Console Port connector on the NPS back panel For a description of the port interface please refer to Appendix A Note When the NPS 2HD is shipped from the factory Console Port communication parameters are set as follows 9600 bps 8 Data Bits One Stop Bit No Parity Although the NPS 2HD allows these parameters to be easily redefined for this Quick Start procedure it is recommended that you configure your communications program to accept these default parameters Access the Command Mode Start your communications program and then press Enter the System Help Screen should be displayed Figure 3 1 and the NPS command prompt should appear For more information on command mode access please refer to Section 5 2 3 1 NPS 2HD Heavy Duty Network Power Switch User s Guide Network Power Switch v1 00 Site WESTERN TELEMATIC INC Commands Display this Help Screen Display Plug Status P with Passwords Configuration G View Set General Parameters P n View Set Plug Parameters N View Set Network Parameters DL Download Configuration to File Control D Set Plugs to Default Settings Optional Plug Name Boot n Boot Plug n Required Plug Name or Number On lt n gt Turn On Plug n Plug n and Plug n Off n Turn Off Plug n H Plug n through Plug n JL Reset Network Interface All Plugs with Access R Relogin as Different User 1X Exit Disconnect TPS gt Figure 3 1 The System Help Screen
18. FF Note that the Plug Status Indicators will also be switched Off c Switch Plugs ON To switch both plugs ON go to the NPS command prompt type ON and then press Enter Power to both plugs will be switched ON Note that the Plug Status Indicators will also be switched On 9 Exit Command Mode Type X and press Enter to exit from the NPS Command Mode or disconnect using your Telnet program This completes the introductory overview of the NPS 2HD Prior to installing and operating the unit please review the remainder of this User s Guide for important information regarding safety considerations as well as more detailed installation configuration and operation instructions 3 4 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 A CAUTIONS A e This device should only be operated with the type of power source indicated on the instrument nameplate If you are not sure of the type of power service available please contact your local power company Reliable earthing grounding of this unit must be maintained Particular attention should be given to supply connections when connecting to power s
19. Rev Heavy Duty Network Power Switches UU E O western telematic inc N Warnings and Cautions AN 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 If you are not sure of the type of power service available consult your local power company Connect unit only to a properly measured supply Use only three wire cord which is provided with the unit Reliable earthing of this equipment must be maintained Particular attention should be given to supply connections when connecting to power strips rather than direct connections to the branch circuit Rack Mount Installation When installing this device in an instrument rack the following factors must be accounted for 1 Enclosed Racks Enclosed racks must provide adequate ventilation Make certain that the rack is not overly crowded and note that each unit in the rack generates its own heat An enclosed rack should have louvered sides and a fan to circulate cooling air When mounting the unit in an enclosed rack with a ventilation fan at the top of the rack note that excessive heat generated by devices at the bottom of the rack can be drawn upward and into the vent
20. an asterisk in place of the plug number or name Commands can only be applied to both plugs when the unit is operating in System Mode or when both plugs are owned by the same User Password When commands are applied to both plugs the NPS will delay for approximately 1 second between actions For example when switching both plugs On the NPS will switch Plug 1 On delay one second then switch Plug 2 On Wait for the NPS gt prompt to appear before entering commands The prompt will not reappear until the previous command is complete Commands are not case sensitive All commands are invoked by pressing Enter If command confirmation is enabled the NPS will display the Status Screen after the Boot On Off commands are successfully completed 1 Boot Plug s To initiate a Boot cycle type BOOT n and press Enter Where n is a the number or name of the desired plug Note that the BOOT command can also be entered as BO Examples To boot both plugs type BOOT or BO and then press Enter To boot plug 1 type BOOT 1 or BO 1 and then press Enter 6 3 NPS 2HD Heavy Duty Network Power Switch User s Guide 6 4 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 Switch Plug s Off To power
21. an NPS menu key in the number for the item and press Enter To exit from a menu press Esc at any time Parameters defined up to that point will be saved The Y option can temporarily suppress the Sure confirmation prompt The Y option is entered at the end of the command line immediately following the command or argument For example to reset the network port without displaying the Sure prompt type T Y Enter 5 4 Defining General Parameters When the NPS gt prompt appears type G Enter to display the General Parameters menu Figure 5 3 Note that this menu is not available in 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 To define the System Password type 1 and press Enter Default undefined Note If the System Password is not defined the password prompt will not be displayed and the NPS will always start up in System Mode 2 Site ID Defines a text string up to 32 characters that denotes the installation site To define the Site ID type 2 and press Enter Default undefined 5 4 Configuration GENERAL PARAMETERS System Password undefined Site ID undefined Modem Init String ATEOMOQ1 amp C1 amp D2S0
22. and then key in a different valid password at the prompt To suppress the Sure prompt type R Y Enter 6 6 2 Reset Network Port The T command is used to reinitialize the NPS Network card The T command is not available in User Mode To reset the Network Port type T and press Enter To suppress the Sure prompt type T Y Enter Note The T command can only be issued via the Console Port or Modem Port The T command cannot be invoked via the Network Port 6 6 3 Exit Disconnect To exit from the NPS Command Mode and discontinue connection to the unit type X and press Enter The NPS will display the DISCONNECT message To suppress the Sure prompt type X Y Enter Note Only one port may access the NPS command mode at any given time In order to allow access to the NPS unit via other ports always exit from the command mode when you are finished communicating with the unit For more information please refer to Section 6 8 6 7 NPS 2HD Heavy Duty Network Power Switch User s Guide 6 7 Manual Operation In addition to the command driven functions the NPS s two switched plugs can also be toggled On and Off manually To manually toggle a plug On or Off press the appropriate Manual Control Button and hold it down for approximately one second the corresponding plug will be toggled On or Off Note that if desired the Manual Control Buttons can also be disabled via the General Parameters menu a
23. aud rate bits and parity a Via Modem Start your communications program Dial the external modem connected to the NPS Wait for the Connect message and proceed to Step 2 b Via Local PC Start your communications program and then press Enter c Via Network During initial configuration the NPS cannot be accessed via the Network Port After network parameters have been defined see Section 5 6 the unit may then be accessed via network as described in Section 6 1 Note Only one port can access the command mode at a given time When communicating via the Console Port or Modem Port always make certain to disconnect using the X command when you have finished If the Console Port or Modem Port are busy you will not be able to access the command mode via the Network Port For more information please refer to Section 6 8 Password If the System Password has been defined the unit will display the Password Prompt Key in either the System Password or User Password and press Enter If the system password has not been defined the prompt will not be displayed Note that the Password feature is case sensitive If the System Password is entered the NPS 2HD will display the System Help Screen Figure 5 1 If the User Password is entered the NPS will display the User Help Screen Figure 5 2 5 2 Configuration Network Power Switch v1 00 Site WESTERN TELEMATIC INC Commands Display H Display this Help Scr
24. bled commands sent to the NPS will be echoed back to your PC allowing keystrokes to be displayed To enable disable the echo type 6 press Enter and follow the instructions in the submenu Default determined by Option Switch 3 Factory Setting Disabled NPS 2HD Heavy Duty Network Power Switch User s Guide F 10 Disconnect Timeout Determines how long the NPS 2HD will wait for additional commands Type 7 press Enter and follow the instructions in the submenu Default determined by Option Switch 4 Factory Setting 2 Min Note Itis recommended that the Disconnect Timeout should be set at the lowest acceptable value Since only one port is allowed to access the command mode at a given time shorter timeout values will decrease the chance of other users being shut out of command mode if a user fails to disconnect when finished communicating with the unit Command Confirmation When enabled the NPS 2HD will display a Sure prompt before completing the T X R BOOT ON OFF D and A commands and will also display the System Status screen after commands are successfully completed When disabled the Sure prompt is suppressed and the Status Screen is not sent when commands are complete Default Enabled Automated Mode When enabled the NPS will execute the ON OFF BOOT D and X commands without displaying the confirmation prompt status screen or confirmation messages This allows t
25. can be configured over the network via modem or locally via the NPS Console Port Easy to use commands let you assign a location name set system parameters and view plug status Outlets can be switched On Off or Booted using plug numbers or names Features Dual 20 Amp Circuits On Off Reboot Switching Integral 10Base T Interface RS232 Modem and Console Ports Outlet Specific Password Security Network Security Features Manual On Off Buttons 1 1 NPS 2HD Heavy Duty Network Power Switch User s Guide Typographic Conventions Throughout this manual typefaces and characters have been used to denote the following COURIER FONT Indicates characters typed on the keyboard For example ON 1 or OFF 2 Bold Font Text set in bold face and enclosed in square brackets indicates a specific key For example Enter or Esc 1 2 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 UU 28 www wticom NPS 2HD CONTROL NETWORK eo e e POWER ON RDY RXD DCD NET SWITCH Figure 2 1 Front Panel ON Lights when AC Power is applied to the NPS 2HD Q RDY Flashes when the NPS 2HD is ready to receive commands 9 RXD Lights when the NPS 2HD receives commands DCD Lights when the Modem Port detects the Carrier NET Lights when a Telnet session is in progress 6 0 Plug Indicators an
26. d Manual Control Buttons An On Off Indicator and Manual Control Button for each switched plug To manually switch a plug On or Off press and hold the appropriate Manual Control Button for one second the corresponding plug will be toggled On or Off Note If desired the Manual Control Buttons can also be disabled as described in Section 5 4 2 1 NPS 2HD Heavy Duty Network Power Switch User s Guide 2 2 Back Panel INPUT lt EXE 115V 60HZ Figure 2 2 Back Panel D 000 0 Bus 2 Plug 2 Includes the following components A Power Inlet Supplies power for Bus 2 B Circuit Breaker 115 VAC 20 Amps C Switched Outlet Each bus can switch up to 20 Amps Bus 1 Plug 1 Same as Item 1 above except the Bus 1 Power Inlet supplies power to Bus 1 Network Port and Activity Indicator A 10BaseT RJ45 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 1s 100BaseT or 10BaseT and then configure the network interface accordingly If your router switch does not autosense then the network interface port must be manually set to 10BaseT Modem Port A Male RS 232 DB9 Connector DTE conf
27. ection 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 If your router switch does not auto configure for 10BaseT vs 100BaseT then the network interface port must be manually set to 10BaseT 4 6 5 Configuration 5 1 System Mode and User Mode In order to restrict access to sensitive command functions the NPS 2HD features two separate operating modes System Mode and User Mode The System Mode allows access to all configuration menus command functions and status screens When the System Mode is active Boot On Off commands can always be directed to either of the two switched outlets even if each plug has been assigned a separate password The System Mode Status Screen shows On Off conditions for both switched outlets and lists currently defined system parameters The User Mode allows limited access to command functions and status screens users are not allowed to access configuration menus When the User Mode is active Boot On Off commands can only be directed to the specific outlet s allowed by the User Password entered at login If a different User Password is assigned to each NPS outlet then a user who accesses the NPS using the password for Plug 1 is not allowed to boot or switch Plug 2 On the other hand if the same U
28. een S P Display Plug Status P with Passwords Configuration 1G View Set General Parameters P n View Set Plug Parameters N View Set Network Parameters DL Download Configuration to File Control D Set Plugs to Default Settings Optional Plug Name or Boot n Boot Plug n Required Plug Name or On n Turn On Plug n Plug n and Plug n Off n Turn Off Plug n s Plug n through Plug n ZT Reset Network Interface All Plugs with Access R Relogin as Different User X Exit Disconnect Figure 5 1 System Help Screen Network Power Switch v1 00 Site WESTERN TELEMATIC INC Commands Display H Display this Help Screen S Display Plug Status Control D Set Plugs to Default Settings Boot lt n gt Boot Plug n On n Turn On Plug n Ooff n Turn Off Plug n Exit Disconnect Required Plug Name or Number Plug n and Plug n Plug n through Plug n All Plugs with Access Figure 5 2 User Help Screen NPS 2HD Heavy Duty Network Power Switch User s Guide 5 5 NPS Command Menu Conventions When invoking NPS 2HD commands and selecting items from configuration menus note the following To display the Help Screen type H Enter All NPS commands can be invoked at the NPS gt command prompt or from the General Parameters Menu Port Parameters Menus or Network Parameters Menu NPS commands are not case sensitive All NPS commands are invoked by pressing Enter To select an item from
29. et Note that the Plug Parameters menus are not available in User Mode In addition to selecting parameters for each outlet the Plug Parameters menus also allow you to assign an individual User Password to each plug If the same User Password is assigned to both plugs then that password will allow the user to direct Boot On Off commands to both switched plugs If a different password is assigned to each plug then each password will only allow access to it s corresponding plug To access the Plug Parameters menus from the NPS gt prompt type P n and press Enter where n is the number or name of one of the two switched outlets The Plug Parameters menu Figure 5 4 offers the following options 1 Plug Name Up to 16 Characters Assigns a name to the plug Typically this name describes the piece of equipment that 1s connected to the switched outlet When plug names are assigned Boot On Off commands can be invoked using the name or number of the desired plug Default undefined 5 7 NPS 2HD Heavy Duty Network Power Switch User s Guide PLUG 1 PARAMETERS Plug Name undefined Password undefined Boot Delay 5 Sec Power Up Default On Enter Selection or ESC to Exit Figure 5 4 Plug Parameters Menu Plug 1 Shown 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 logi
30. he NPS to be controlled by a device that generates commands to control power switching without human interaction For more information please refer to Section 6 5 Default Off Note When this option is enabled NPS password security functions are disabled and users are able to access System Level menus and control both plugs without entering a password 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 When disabled the manual control buttons will have no effect Default On 5 6 Configuration 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 1f 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 If this function 1s invoked via the Console Port or Modem Port the IP Address will be reset After defining the General Parameters press Esc to exit from the General Parameters menu 5 5 Plug Parameters The Plug Parameters menus are used to assign names and select parameters for each of the two switched outlets There is a separate Plug Parameters menu for each outl
31. iguration For connection to an external modem Console Port A Male RS 232 DB9 Connector DTE configuration For connection to a local PC Option Switches A bank of four DIP Switches which select default settings for the baud rate and other features Default Button Used in conjunction with the Reset Button to reset the unit to defaults see Section 4 3 Reset Button Used in conjunction with the Default Button to reset the unit to defaults see Section 4 3 2 2 3 Quick Start Guide This section provides a brief overview of basic NPS 2HD capabilities and describes a simple test that can be performed to determine if the unit is operating properly and demonstrate basic communication capabilities Note that this Quick Start procedure is included only to provide a quick demonstration of basic NPS 2HD capabilities In order to take full advantage of the complete range of features provided by this unit it is strongly recommended that you should complete the entire Installation and Configuration sections after completing the Quick Start procedure l Apply Power to the NPS 2HD Connect the NPS 2HD to an appropriate power source Prior to connecting the unit to your power supply make certain to review the safety precautions listed at the beginning of this User s Guide and the cable clamp installation instructions in Section 4 1 Connect a PC to the NPS 2HD Attach a standard null modem cable from your PC COM port to the
32. ilation slots of units located at the top Make certain to provide adequate ventilation for equipment installed at the bottom of the rack Continued NPS 2HD Heavy Duty Network Power Switch User s Guide Rack Mount Installation Continued l 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 1s not compromised The maximum temperature for the equipment in this environment is 45 C Consideration should be given to the maximum rated ambient Installation should be such that a hazardous stability condition is not achieved due to uneven loading Open Racks Make certain that the rack frame does not block the ventilation slots on the instrument cover If the device 1s installed on sliders check the unit when seated all the way into the rack to make certain that ventilation slots are not blocked Ventilation Slots in the instrument cover are provided to allow ventilation 1 2 for heat dissipation To ensure safe reliable operation these openings must not be covered or blocked Disconnect Power If any of the following events are noted immediately disconnect the unit from the outlet and contact qualified service personnel If the power cord becomes frayed or damaged If liquid has been spilled into the device or 1f the device has been exposed to rain or water Table of Contents I
33. l produce a different version of the status screen which lists the status and parameters only for the plug s owned by the User password entered at login If a separate User Password has been assigned to the other plug the User Mode Status Screen will not list the status for that plug In User mode plug passwords cannot be displayed Network Power Switch v1 00 Site WESTERN TELEMATIC INC Plug Name Status Boot Delay Password Default ROUTER POWER A defined ROUTER POWER B defined 4 4 4 Init String ATEOMOQ1 amp CI amp D2S0 1 Modem Disc String ATZ Communication Settings 9600 N 8 1 Command Echo OFF Disconnect Timeout 30 Min Command Confirmation ON Automated Mode OFF Button Mode ON H for Help Figure 6 1 System Status Screen Passwords Hidden Operation 6 5 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 Plugs may be specified by name or number Notes When User Mode is active commands will only be applied to plugs owned by the User s password To apply a command to both outlets enter
34. lug Carefully slip the output cable clamp See Figure 4 1 over the output plug making certain that the two slots at the base of the clamp are properly seated over the screws which secure the output jack to the back panel The U shaped cutout located at the back of the clamp should face downwards in order to allow the clamp to fit over the cable Tighten Screws Tighten the screws which secure the output cable clamp to the output jack Installation C SCREW AND WASHER CABLE CLAMP POWER CABLE Figure 4 2 Input Cable Clamp Installation 4 1 3 1 Input Cable Clamp 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 Attach Clamp to Jack Slip the input clamp into place making certain that the screw slots in the base of the clamp are securely seated over the screws which secure the input jack to the back panel Make certain to position the clamp so the retaining screw see Figure 4 2 is facing upwards Tighten the screws to secure the clamp to the input jack Connect Plug Slide the input plug into the cable clamp If necessary loosen the retaining screw to provide room for the plug Make certain that the plug is firmly seated in
35. mated 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 to allow the NPS to be controlled by a computer or another automatic system which can generate commands to control power switching functions without human intervention When the Automated Mode is enabled the ON OFF BOOT D and X commands are executed without a Sure confirmation prompt and without command response messages the only reply to these commands is the NPS gt prompt which is displayed when the command is complete Note When Automated Mode is enabled all NPS password security functions are disabled and users are able to access System Level command functions including the configuration menus and control both plugs without entering a password If you need to enable the Automated Mode but want to restrict network access to NPS configuration menus it is recommended to enable and configure the IP Security Function as described in Section 5 6 1 6 5 NPS 2HD Heavy Duty Network Power Switch User s Guide 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
36. n the user will have access to only the plug s which are owned by this password Default undefined Notes f you wish to allow a single user to access both switched plugs assign the same User Password to both plugs If the System Password is defined and the plug s User Password is not defined then the System Password will own this plug and only the System Mode will be able to control the plug 3 Boot Delay During a Boot cycle power to the plug is first switched off and then switched back on The Boot Delay is the length of time which elapses between the time when power is switched off and the time that power is restored The Boot Delay can be 1 5 10 15 30 or 60 seconds Default determined by Option Switch 2 Factory Setting 5 Seconds 4 Power Up Default Determines how this plug will react when the D default command is invoked or after a power interruption Each plug can be automatically switched On or Off as specified by the Power Up Default Default On After Plug Parameters have been defined press Esc to exit from the Plug Parameters menu Configuration NETWORK PARAMETERS IP Address undefined Subnet Mask undefined Gateway Address undefined IP Security MAC Address 00 40 05 5e 3 90 Enter Selection or lt ESC gt to Exit Figure 5 5 Network Parameters Menu System Mode Only 5 6 Network Parameters In order to communicate with the NPS 2HD via netw
37. ng Passwords 6 2 Downloading Parameters 7 1 Duplex Mode 4 4 5 5 E Error Messages SUDDpfess cue e dee ERE EY 6 6 Exit ocre Ed bh pete 6 7 External Modem 4 6 F Factory Settings 4 4 Front Panel Indicators 2 1 G Gateway Address 5 9 General Parameters 5 4 to 5 6 H Hang Up String 5 5 Help Screen 5 2 to 5 4 l Installation 4 1 to 4 6 Interface Description Apx 1 IP Address 4 5 9 IP Security 5 9 to 5 11 L LED Indicators 2 1 Login as Different User 6 7 Index 1 NPS 2HD Heavy Duty Network Power Switch User s Guide M MAC Address uses 5 9 Manual Control Buttons 2 1 6 8 Disabling and Enabling 5 6 Modem Connection eae 4 6 Disconnect String 5 5 Initialize String 5 5 Modem Access 4 6 1 Modem Port 2 2 4 6 6 8 Apx 2 N NET Indicator 0 2 1 Network Port 2 2 4 6 5 9 6 8 ACC Soda A rdi ordered 6 1 Parameters ccc cece ae 5 9 RGSGU oran Fan EA ons acta tessa 6 7 O Off Command o oo oo oo o 6 3 On Command suse 6 3 ON Indicator o o o ooooo o 2 1 Operating TipS o 6 8 Operation 4 6 1 to 6 8 Option Switches 2 2 4 4 to 4 5 Outlets xiieriupeusfevepeoerzet 2 2 P Parameters Restoring
38. nnection to the NPS is refused this may mean that the unit is busy or that the IP Security feature has denied the connection b Via Modem Start your communications program e g HyperTerminal Dial the external modem connected to the NPS then wait for the Connect Message c Via Console Port Start your communications program and press Enter 2 Password If the System password has been defined a prompt will be displayed Key in your System or User Password and press Enter 3 Disconnect To end the session type X and press Enter or disconnect using Telnet software 6 1 NPS 2HD Heavy Duty Network Power Switch User s Guide 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 When the System Mode is active the S command will produce the screen shown in Figure 6 1 which lists status and parameters for both switched plugs along with Console Port parameters and modem command strings Note that in System Mode the S command will also accept an argument which will display the User Password for each plug To display plug passwords access the System Mode type SP and press Enter When the User Mode is active the S command wil
39. off a plug type OFF n and press Enter Where n is the number or name of the desired plug Note that the OFF command can also be entered as OF Examples To power off both plugs type OFF or OF and press Enter To power off a plug named POWER2 type OFF POWER2 or OF POWER2 and press Enter Suppress Command Confirmation Prompt To execute a Boot On Off command without displaying the Sure prompt include the Y option in the command line The Y option is entered immediately following the command argument Examples To boot both plugs without displaying the Sure prompts type BOOT Yor BO Y and then press Enter To power off a plug named POWERI without displaying the Sure prompt type OFF POWERI Y or OF POWERI Y and then press Enter Operation 6 4 The Default Command The Default Command D sets plugs to their default On Off status The default status 1s set using the Plug Parameters menus described in Section 5 5 To set plugs to defaults type D and press Enter Note When User Mode is active this command will only be applied to the plug owned by the User s password The command will not be applied to a plug that is owned by another User Password When the System Mode is active this command will be applied to both plugs This command will always be applied to all owned plugs It cannot be directed only to a specific plug 6 5 The Auto
40. opyright Western Telematic Inc 2001 All right reserved Printed in the United States of America October 2001 WTI Part Number 13186 Rev A Apx 5 NPS 2HD Heavy Duty Network Power Switch User s Guide Apx 6 Index 100BaseT esses 2 2 4 6 IOBaseT armi 2 2 4 6 A ACA TBRDUE de Leer eni 4 1 to 4 3 Access to Command Mode 5 2 6 1 Automated Mode 5 6 6 5 to 6 6 B Back Parel iE 2 2 Baud Rate Default ere 4 4 Operating ivo coetu 5 5 Boot Command 6 3 Boot Delay ssssssss 5 8 Default 4 4 BUSES ees 2 2 C Cable Clamps Installati0D 4 1 Cautions ek SV rir o ROS i Circuit Breaker 2 2 Co Location Features 5 1 5 7 Command Confirmation 5 4 5 6 Command Conventions 5 4 Command Echo Default 522 2 ec RED 4 4 Operating 0 eee ae 5 5 Command Mode 5 2 6 1 6 8 Communication 5 2 6 1 6 8 Configuration 5 1 to 5 12 Console Port 2 2 4 6 6 8 Apx 1 Console Port Access 6 1 Customer Service Apx 3 D Data Rate 2 aisha ened era 5 5 DCD Indicator 2 1 Default Button 2 2 4 5 Default Command 4 5 6 5 Default Parameters 4 5 5 7 Default SettingS 4 4 DEMO sta 3 1 to 3 4 Deny ACCESS caida 5 10 Discomnect oo oo o o 6 1 6 7 Disconnect Timeout Detault cui ar jo 4 4 Operating cece eae 5 6 Displayi
41. ork 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 Settings for network parameters depend upon the configuration of your individual network Please contact your network administrator for appropriate settings and then assign parameters as described in this section To access the Network Parameters menu Figure 5 5 type N and press Enter Note that this menu is not available in User Mode The following options are available 1 IP Address Defines the IP Address for the NPS unit Type 1 press Enter and follow the instructions in the submenu Default undefined 2 Subnet Mask Defines the Subnet Mask for the NPS unit Type 2 press Enter and follow the instructions in the submenu Default undefined 3 Gateway Address Defines the Gateway Address for the NPS unit Type 3 press Enter and follow the instructions in the submenu Default undefined 4 IP Security Sets up the IP Security feature as described in Section 5 6 1 5 Mac Address Displays the unit s MAC Address Note that this item is not used to redefine the MAC Address 5 9 NPS 2HD Heavy Duty Network Power Switch User s Guide IP SECURITY Security Mask 1 undefined Mask 1 Action Permit Security Mask 2 undefined Mask 2 Action Permit
42. rly configured parameters can be downloaded and saved as an ASCII text file Later if the configuration is accidentally altered the file with the saved parameters can be uploaded to automatically reconfigure the unit without the need to manually assign each parameter 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 The Save Parameters procedure can be performed from any terminal emulation program e g ProComm Crosstalk Hyperterminal etc which allows downloading of ASCII files 7 1 Sending Parameters to a File 1 Start your communications program and access the NPS 2HD command mode using the System Level Password 2 When the NPS command prompt appears type DL and press Enter The NPS will prompt you to prepare your communications program Set up your communications program to receive an ASCII download and specify a name for the file that will receive the saved parameters e g NPS PAR 3 When the communications program is ready to receive the file return to the NPS command mode and press Enter to proceed 4 The NPS will send a series of ASCII command lines which specify the currently selected NPS parameters 7 1 NPS 2HD Heavy Duty Network Power Switch User s Guide 7 2 Restoring Saved Parameters This section describes the procedure for using ProComm to send saved parameters to the NPS 2HD 1
43. s described in Section 5 4 6 8 Operating Tips When connecting to the NPS 2HD via network modem or console port the following factors should be kept in mind 1 One Connection at a Time Only one port can access the command mode at a time Therefore it is recommended that users should always disconnect using the 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 If a second user attempts to connect via the Console Port the port will not wake b Modem Port Busy If a second user attempts to connect via the Network Port the connection will be refused If a second user attempts to connect via the Console Port the port will not wake c Console Port Busy If a second user attempts to connect via the Network Port the connection will be refused If a second user attempts to connect via the Modem Port the Console Port will disconnect and the Modem Port will be granted access the Modem Port has priority over the Console Port 2 Ping Packet Size The NPS will not accept Ping Packets larger than approximately 1000 bytes If you have any questions regarding configuration or operation of the NPS please contact WTI Technical Support as described in Appendix C 6 8 7 Saving and Restoring Configuration Parameters After the NPS 2HD has been prope
44. ser Password is assigned to both NPS outlets then that user will be able to direct commands to both plugs The User Mode Status Screen only shows conditions at the outlet s owned by the User Password system parameters are not displayed When properly configured the NPS will display a password prompt when the unit is contacted via the Console Port Modem Port or Network Port The password entered at this prompt determines whether the unit will start up in System Mode or User Mode If the System Password defined via the General Parameters menu is entered the System Mode will be active If the 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 5 1 NPS 2HD Heavy Duty Network Power Switch User s Guide 5 2 Communicating with the NPS In order to configure the unit or invoke command functions the user must first connect to the 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 ProComm or HyperTerminal is set for the appropriate b
45. trips rather than directly to the branch circuit Always On Architecture The NPS 2HD features Always On architecture This means that once the NPS 2HD is connected to your power supply both plugs will always be set in the ON state unless program commands or the Manual Control Buttons have been used to switch the plug s to the OFF state 4 1 1 Cable Clamp Installation AN cautions A Make certain that the unit is disconnected from the power source before beginning this procedure n order to reduce the chance of injury due to electric shock the Output Cables should be installed before the Input Cables 4 1 NPS 2HD Heavy Duty Network Power Switch User s Guide UNIT BACK PANEL ee SCREW ap WASHER CABLE CONNECTOR POWER CABLE Figure 4 1 Output Cable Clamp Installation 4 1 2 l 4 2 Output Cable Clamp 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 Note Make certain to loosen the screws enough to allow the cable clamp to be installed but do not entirely remove the screws from the NPS back panel Connect Plug Plug the power cable from your AC powered device into the output jack Make certain that the plug is firmly seated Note that the total load for each outlet must not exceed 20 amps Fit Clamp to P
46. using the wild card address 255 255 255 255 to block access by all IP Addresses make certain that at least one higher priority mask permits access by your IP address 5 11 NPS 2HD Heavy Duty Network Power Switch User s Guide 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 1s accidentally deleted or altered 5 12 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 When you have finished communicating with the unit always make certain to disconnect using the X command When the Console Port or Modem Port are busy you will not be able to access the command mode via the Network Port For more information please refer to Section 6 8 1 Contact the NPS a Via Network Telnet to the NPS unit s IP Address For example if the IP Address is 192 1 1 1 on a UNIX system the Telnet command would be as follows telnet 192 1 1 1 Enter Notes n order to contact the NPS via telnet you must first define the unit s Network Parameters as described in Section 5 6 If the Telnet co
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