Black Box ServSensor JR EME102A Скачать руководство пользователя страница 51 | Manualshive

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Black Box ServSensor JR EME102A Скачать руководство пользователя страница 51

49

CONTENTS

49

Configuring the motion detector sensor

Since all of BLACK BOX's intelligent sensors are configured similarly
not every field is described below. The descriptions below describe the
fields that are special to the motion detector.

For a general description about configuring all sensors including
information regarding common configuration parameters please see the
Installing and Configuring Sensors page.

Status:

If the sensor is offline the status is

“noStatus”

. If the sensor is

online and there is no motion detected the status is

“normal”

. If motion

is detected then the status is

“critical”

. If at any time communications

with the motion detector are lost, the status of the motion detector is
changed to

“sensorError”

.

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Содержание ServSensor JR EME102A

Страница 1: ...ServSensor JR March 2004 EME102A...

Страница 2: ......

Страница 3: ...1 CE STATEMENT 1 This product carries the CE mark to indicate compliance with the European Directive on Electromagnetic Compatibility 89 336 EEC It has been tested to EN55024 1998 and EN55022 1998...

Страница 4: ...2 ServSensor JR 2...

Страница 5: ...3 CONTENTS 3...

Страница 6: ...20mA converter 41 2 1 10 Power relay board 44 2 1 11 Smoke detector 46 2 1 12 Motion detector 48 2 2 External sensor integration 50 3 Integration with network management systems 51 3 1 HP OpenView 52...

Страница 7: ...p thresholds 93 4 5 Trap Var Bind information 94 4 6 Community string 96 5 Web based User Interface 97 5 1 Login page 99 5 2 Summary page 100 5 3 Sensors setting 102 5 4 Graphing 103 5 5 Traps setting...

Страница 8: ...sensor comes with our unique Autosense feature Whenever a new type of sensor is plugged in the Autosense will recognize it and reconfigure the ServSensor JR to begin monitoring it In the event of an a...

Страница 9: ...y sensor and other such factors and can display you the graphical report The ServSensor JR is supplied with a MIB to allow its interface to SNMP based Network Management systems such as HP Open View I...

Страница 10: ...nd configured you can also plug ServSensor JR into your LAN 3 A power socket to plug in the AC to DC adaptor for ServSensor JR 4 You can also assign the IP address using the web based user interface o...

Страница 11: ...9 CONTENTS 9...

Страница 12: ...OM and retain their values even if power is lost Connecting a host to the ServSensor JR In order to assign the IP address the ServSensor JR needs to be on the same LAN as the computer that is assignin...

Страница 13: ...IP address to the new address For example enter http 192 168 0 100 into the URL of the web browser and hit return Once the page has loaded you can press the Network tab and enter a new IP address for...

Страница 14: ...the Ethernet MAC address located on the sticker on the ServSensor JR and ipaddress is the IP address you wish to assign For example arp s 192 189 207 2 00 40 17 03 b2 04 To check that you have entere...

Страница 15: ...send a message to the DHCP server that loaded it to renew its lease If the server responds then the lease is renewed for a period of time chosen by the DHCP server If the DHCP server does not respond...

Страница 16: ...rvSensor JR The following intelligent sensors are available Temperature sensor Dual Sensor Temperature Humidity Water Detector Airflow Sensor AC Voltage Detector DC Voltage Sensor Security Sensor Dry...

Страница 17: ...r sensor will automatically appear in the list of online sensors If you click on the link under the type column you will be taken immediately to the Sensor settings screen Entering data To change any...

Страница 18: ...he case of a switch the status is formed by comparing the value from the sensor with the Normal State It is recommended that they not be set too narrow as this may cause unneeded messages to be genera...

Страница 19: ...ending Trap Email On Normal There is also a delay before sending Trap Email on normal and is set in the same manner as above In this case the sensor is in the error state and will ignore momentary flu...

Страница 20: ...18 ServSensor JR 18 settings can be made for every day of the week The time interval range can be from 00 00 hrs to 24 00 hrs Mails Traps will not be sent during the time interval set...

Страница 21: ...o detects the presence of the sensor Each sensor has its own SNMP OID so that data can be collected over the network and graphed A commonly used SNMP OID for the temperature sensor is the number of de...

Страница 22: ...sors are configured similarly not every field is described below The descriptions below describe the fields that are special to the temperature sensor For a general description about configuring all s...

Страница 23: ...Degree to the high and low thresholds Degree Type The Degree Type can be set to Fahrenheit or Celsius When the Degree Type is changed all the threshold fields will change their values automatically T...

Страница 24: ...sed with 15 or 60 feet of cable allowing the sensors to be positioned in hot spots The ServSensor JR auto detects the presence of the dual sensor Each sensor in the dual sensor has its own SNMP OID so...

Страница 25: ...tional power needed ServSensor JR autodetects the presence of the dual sensor Up to 2 dual sensors per ServSensor JR Full Autosense including disconnect alarm Configuring the Dual sensor Since all of...

Страница 26: ...he temperature sensor are lost the status of the temperature sensor is changed to sensorError If communications with the temperature sensor are reestablished the status will be formed by comparing the...

Страница 27: ...ions with the humidity sensor are lost the status of the Humidity sensor is changed to sensorError When communications with the humidity sensor are reestablished the status will be formed by comparing...

Страница 28: ...the resistance of water The resistance of water can vary depending upon the impurities in the water Normal resistance type monitors are unable to detect the presence of distilled water due to its high...

Страница 29: ...ince all of BLACK BOX s intelligent sensors are configured similarly not every field is described below The descriptions below describe the fields that are special to the water detector For a general...

Страница 30: ...he fan slows down the user will be given an indication of the change over time This may happen if the fan is close to failure or the air filter is clogged The ServSensor JR shows this information usin...

Страница 31: ...one reading each second data logging once per minute Communication cable RJ45 jack to the ServSensor JR Sensor type Thermistor Sensor power line power from ServSensor JR Trap information status sensor...

Страница 32: ...via SNMP and the data can be used to graph the airflow The values range is from 0 to 100 Status If the sensor is offline the status is noStatus If the sensor is online the status will be formed by co...

Страница 33: ...status and configuration parameters The Web browser interface is also available to display the status and configuration parameters When an alarm condition is activated the description and location of...

Страница 34: ...tions below describe the fields that are special to the AC voltage sensor For a general description about configuring all sensors including information regarding common configuration parameters please...

Страница 35: ...For a DC Voltage sensor plugged into RJ45 1 that OID is 1 3 6 1 4 1 3854 1 2 2 1 17 1 3 0 Specifications Features Measurement range 0 60V Overvoltage protection A relay within the DC Voltage sensor w...

Страница 36: ...DC Voltage sensor box If 10V is selected then 0 to 10VDC is mapped to 0 to 100 if 20V is selected then 0 to 20VDC is mapped to 0 to 100 A D base in 1 10 volt increments This is the minimum voltage tha...

Страница 37: ...then compared to the thresholds of Low Warning High Warning High and Low Critical that the user has set From this the status is then computed and emails traps are sent if necessary Jumpers The DC Volt...

Страница 38: ...r JR The ServSensor JR will retain any error condition until it is read via an SNMP get Therefore if a security sensor encounters a critical condition at any time it must report that condition before...

Страница 39: ...about configuring all sensors including information regarding common configuration parameters please see the Installing and Configuring Sensors page Status If the sensor is offline the status is noSta...

Страница 40: ...a normal state Input pins can be used to detect whether or not an input switch is open or closed In combination with external sensors input pins can detect whether a door or window is open or closed...

Страница 41: ...ing and Configuring Sensors page Direction The Switch Direction can be either Input or Output When set as an Input the sensor will report its status as normal highCritical or lowCritical The status is...

Страница 42: ...value of 0 volts will cause the status to be reported as normal Information on Dry contact cables The extension length of the dry contact twisted pairs is limited only by the amount of electromagneti...

Страница 43: ...ted back to voltage and read by the ServSensor JR 4 20mA transmitters are common in the industry for use with high quality sensors With the 4 20mA converter these sensors can now be integrated into th...

Страница 44: ...to 0 to 100 A D base in 1 10 volt increments This is the minimum voltage that the 4 20mA Converter will output This value in conjunction with the maximum voltage from the sensor is used to determine t...

Страница 45: ...nd Low Critical that the user has set From this the status is then computed and emails traps are sent if necessary Below is an illustration of a typical 4 20mA settings Input Current Percent 4 06mA 1...

Страница 46: ...ccepts a control signal that is sent from the ServSensor JR Applications Power Switching On Off Control Activate Alarms Process Control Energy Management Systems Specifications Features Relay contacts...

Страница 47: ...ge Dimensions 65 W x 62 H x 15 D mm Operating Temperature 40 C to 85 C Configuring the Power Relay Board Since all of BLACK BOX s intelligent sensors are configured similarly not every field is descri...

Страница 48: ...Detected Accurate cost effective Smoke Detector LED indicates the status of Smoke Detector Sensor type open closed contact switch Up to 2 Smoke Detector Sensors per ServSensor JR Includes disconnect...

Страница 49: ...tical If at any time communications with the smoke detector are lost the status of the smoke detector is changed to sensorError When a smoke detector is connected the ServSensor JR will sense it as dr...

Страница 50: ...On Off alarm signal of Motion detected Accurate cost effective motion detecting LED in housing indicates movement sensed Electronics are mounted in attractive angle adjustable wall mountable unit Sen...

Страница 51: ...iption about configuring all sensors including information regarding common configuration parameters please see the Installing and Configuring Sensors page Status If the sensor is offline the status i...

Страница 52: ...reate their own custom data collection systems The user can configure sensor input voltage range from 0 to 60 volts through the addition of the DC Voltage sensor directly into the ServSensor JR if the...

Страница 53: ...h a MIB file that can be easily loaded to your network management system and can receive SNMP alerts By default the traps are for WhatsUp Gold style The user can change the traps to HP OpenView NNM or...

Страница 54: ...entitled SNMP MIB Files Not Found appears Press the Browse button If you are installing this software from the floppy disk go to A bin and find the sp mib file If you are installing the MIB after run...

Страница 55: ...o be added to NNM This file is called an Application Registration File or ARF An ARF file is used by HP to customize and integrate third party applications such as the hhmsagent into NNM The name of t...

Страница 56: ...every temperature sensor and the status of every sensor The hhms file can also be customized with a standard text editor You may wish to include graphs of humidity sensors or switches In addition any...

Страница 57: ...pick the OID to monitor appears Click on the to expand the private tree Then expand enterprises BLACK BOX hhmsagent This exposes the hhmsagent mib You can monitor the status of an individual sensor by...

Страница 58: ...the sensors status is noStatus The noStatus status is set when the sensor is set to offline Set the Consecutive Samples to 1 for both the Threshold and The Rearm sections Set the Rearm Value Type to A...

Страница 59: ...the Dialog menu press Events Modify The Modify Events dialog box appears Press Event Messages and then press Log and display in category Choose Application Alert Alarms Now press Actions You may enter...

Страница 60: ...3854 1 2 2 1 16 1 3 1 10 1 1 7 The graph utility xnmgraph does not save its data When the program exits all data is lost If you wish to keep long term data you must save it If you have been collectin...

Страница 61: ...ou will probably not use the MIB browser very much All of the information available from the MIB browser is also available from the Web Based Manager The Web Based Manager also contains additional fea...

Страница 62: ...use an alarm to take place you will need to set the High Warning near to the current room temperature but high enough so that it can go back to normal The status of the temperature sensor will go to h...

Страница 63: ...Alarms Browser There should be an alarm caused by the polled OID Status going to warning that is the integer value of 3 Resetting the Sensor Status The temperature sensor will drift back to room tempe...

Страница 64: ...references The program is located in the directory where WhatsUp Gold is installed To run the MIB extractor at the command prompt enter WhatsUp mibextra directory_name sp mib NOTE If the mib extracto...

Страница 65: ...ting one or one newly created 1 Creating a blank network map 1 1 From the File menu of WhatsUp Gold select New Map Wizard 1 2 Choose Create a blank map Press the Finish button The network map editor w...

Страница 66: ...n to open the item properties dialog box 3 2 On the left pane select General see Figure 2 Figure 2 General Property page 3 3 Fill out the form All fields are described below Display name this identifi...

Страница 67: ...d email 3 4 On the left pane select SNMP 3 5 Enable SNMP Manageable Device as show in Figure 3 3 6 Fill out all fields including Read Community Write Community and Device Object ID These fields are de...

Страница 68: ...66 ServSensor JR 66 Figure 3 SNMP Property page...

Страница 69: ...Moreover the utility can graph the change between the last and the current value of a SNMP variable as well as the average change per second in the values of a SNMP variable 1 Launching SNMP Graph ut...

Страница 70: ...on the IP address column of the desired SNMP variable as show in Figure 6 Note There are four menu items including Add add another SNMP variable Delete delete the selected variable Properties set grap...

Страница 71: ...utility graphs the reported value of the SNMP variable Auto Scale when it is selected the graph scale for the SNMP variable is determined by the utility Allow negative values when it is selected the...

Страница 72: ...terval seconds to 3 This is the time interval at which the utility gets the value of the SNMP variable from the SNMP device In Vertical group box set the Maximum to 180 This determines the highest val...

Страница 73: ...ect Send Traps ON via selection box enter the Destination IP of the WhatsUp Gold Host and enter the Community Then press Set After that do the following steps to set up WhatsUp Gold 2 Enabling the SNM...

Страница 74: ...n on Configure SNMP Trap Server Properties dialog box 2 8 Press OK button on Program Options dialog box 3 Assigning SNMP trap events to the ServSensor JR 3 1 Double click the ServSensor JR icon on the...

Страница 75: ...og box 3 4 From Event Type list box select SNMP trap 3 5 From Event list box select spTemperature1Status 3 6 Press OK button to close the dialog box 3 7 Repeat setup 2 3 to 2 6 to add all spTemperatur...

Страница 76: ...fications supported by WhatsUp Gold including Beeper Group Pager Programs SMS SMTP Mail Sound and WinPopup The following steps guide how to configure SMTP Mail 4 1 From Configure menu of WhatsUp Gold...

Страница 77: ...SMTP server To it could be one or more email addresses Each email address is separated by a comma From it is an email address that will be the sender of an email notification Subject it is the subjec...

Страница 78: ...console response 5 7 Select On event 5 8 Press Select Events button to open Active Event dialog box shown in Figure 14 5 9 Select Only these specific events listed on this device and activate desired...

Страница 79: ...77 CONTENTS 77 Figure 13 Add Alerts dialog box Figure 14 Active Events dialog box...

Страница 80: ...ive up to date graph This HTML file is often published by a web server giving the latest graphs to the all users in the enterprise How do I install MRTG MRTG can be downloaded from www mrtg org This s...

Страница 81: ...More details on the configuration file syntax can be found in the link below http people ee ethz ch oetiker webtools mrtg mrtg reference html You can add more configurations to the above template to...

Страница 82: ...ature 7 1 3 6 1 4 1 3854 1 2 2 1 16 1 3 7 this is the temperature 8 Humidity OID s 1 3 6 1 4 1 3854 1 2 2 1 17 1 3 0 this is the humidity 1 1 3 6 1 4 1 3854 1 2 2 1 17 1 3 1 this is the humidity 2 1 3...

Страница 83: ...link also gives you the sample configuration files similar to the above template which is used to gather data from the ServSensor JR Any sensor producing a graphical data in the ServSensor JR can be...

Страница 84: ...82 ServSensor JR 82 3 3 2 SAMPLE MRTG GRAPHS Daily Graph 5 Minute Average Weekly Graph 30 Minute Average Monthly Graph 2 Hour Average Yearly Graph 1 Day Average...

Страница 85: ...83 CONTENTS 83...

Страница 86: ...1 2 2 1 16 1 3 2 this is the temperature 3 1 3 6 1 4 1 3854 1 2 2 1 16 1 3 3 this is the temperature 4 1 3 6 1 4 1 3854 1 2 2 1 16 1 3 4 this is the temperature 5 1 3 6 1 4 1 3854 1 2 2 1 16 1 3 5 th...

Страница 87: ...1 3854 1 2 2 1 18 1 9 0 1 3 6 1 4 1 3854 1 2 2 1 18 1 9 1 1 3 6 1 4 1 3854 1 2 2 1 18 1 9 2 1 3 6 1 4 1 3854 1 2 2 1 18 1 9 3 1 3 6 1 4 1 3854 1 2 2 1 18 1 9 4 1 3 6 1 4 1 3854 1 2 2 1 18 1 9 5 1 3 6...

Страница 88: ...6 1 4 1 3854 1 2 2 1 18 1 3 5 this is the switch 6 1 3 6 1 4 1 3854 1 2 2 1 18 1 3 6 this is the switch 7 1 3 6 1 4 1 3854 1 2 2 1 18 1 3 7 this is the switch 8 To set a switch output to high The OID...

Страница 89: ...ort 2 with the following command SNMPset 192 168 0 100 public 1 3 6 1 4 1 3854 1 2 2 1 18 1 8 1 i 1 The i denotes an integer value i can take 2 values 1 output high 2 output low This will make the dry...

Страница 90: ...This MIB file is given along with this software to load all the MIB files compatible with HP OpenView CA Unicenter TNG UC Davis SNMP package Veritas etc This file is located in the folder utilities mi...

Страница 91: ...and their OpenView platform Computer Associates and their TNG platform Cabletron and their Spectrum platform IBM Tivoli Veritas WhatsUp Gold Microsoft SNMP as well as various UNIX systems including L...

Страница 92: ...re also utilities from UCD that we can send upon request With these standard SNMP utilities you can set and get SNMP parameters from a script file For example the following line gets the first tempera...

Страница 93: ...Descr DESCRIPTION A textual description of the entity This value should include the full name and version identification of the system s hardware type software operating system and networking software...

Страница 94: ...name for this managed node By convention this is the node s fully qualified domain name System 5 1 3 6 1 2 1 1 5 0 sysLocation DESCRIPTION The physical location of this node e g telephone closet 3rd...

Страница 95: ...ssages include 6 var bind fields that include the current sensor status normal highWarning highCritical lowWarning lowCritical sensorError the current sensor value the level exceeded the sensor index...

Страница 96: ...sensors such as the water detector voltage monitor and security sensor share the switch trap In addition to the trap type information Variable Bind Information is also included Six Var bind fields are...

Страница 97: ...95 CONTENTS 95 5 Sensor Name For example temperature0 humidity1 water1 6 Sensor Description The description that was previously entered into the ServSensor JR for that sensor...

Страница 98: ...hanged that will become the new community string for SNMP read write operations If the User password is changed that password becomes the new community string for SNMP read operations That is the pass...

Страница 99: ...e summary status of all the sensors that are online This gives a single page overview of the sensors in the ServSensor JR that you have placed online You can leave your browser on the summary page and...

Страница 100: ...stem The System page displays information for the ServSensor JR From here you can view the MIBII variable such as System Description System Contact System Name You can change the set and get passwords...

Страница 101: ...word go to the System menu and password settings This will force later logins to go through the Login Page Login as User The User login allows you to access the system but does not allow changing any...

Страница 102: ...an now enter a new refresh value To disable refresh enter 0 for the refresh period and press the Summary link at the top of the page Port This is the Autosense RJ45 sensor port that the sensor may be...

Страница 103: ...the link View Graph next to the sensor Sys Log System log gives the status of each and every event that occurred at a particular date and time System log will help you to view the events generated by...

Страница 104: ...setting This page use for setting the any sensor properties For a general description about configuring all sensors including information regarding common configuration parameters please see the Insta...

Страница 105: ...there is enough data to display measurements for 90 days If the recording is made every minute there is enough memory to hold data for 6 days Note Whenever power is recycled the data logging is reinit...

Страница 106: ...Click on a time to zoom in There is too much data to display all of it on a single page Therefore the data is averaged before being shown When you click on a time to zoom in on all data for that perio...

Страница 107: ...ure To configure Traps click the link at the top of the web page labeled Traps Send Trap Turn Traps on or off with this choice Use the list box to pick either On or Off Press the Set button to impleme...

Страница 108: ...s that have poor connectivity It is best to leave this number as low as possible while still allowing for communication to the SMTP host to continue Resend Interval seconds You can set the period betw...

Страница 109: ...any time thereafter Before a test message can be generated all of the necessary information such as the SMTP server recipient from address must be entered Status of the Most Recent Mail The possible v...

Страница 110: ...r can use a statically assigned IP address To use DHCP choose Use DHCP from the list box and press set To stop using DHCP choose Do Not Use DHCP from the list box and press set Statically assigning an...

Страница 111: ...messages can be an aid in determining the operation of the ServSensor JR Debug messages are sent to the host that the browser is running on or the host where the SNMP set originated from To view the d...

Страница 112: ...an set up the ServSensor JR to send its syslog message in a standard format acceptable to a remote syslog server for example the Logalot system from Somix Remote Syslog IP Address Remote Syslog Port Y...

Страница 113: ...Help Menu The ServSensor JR has online help available Press the link at the top of the page and you will load the help file using the Internet This is the same help manual as the manual that you are...

Страница 114: ...sh to assign to the ServSensor JR Then press set IPSet exe first checks the IP address to see if it already assigned Next it will assign the IP address and then it will check that the address was succ...

Страница 115: ...spreadsheet such as excel This utility is located in the folder BLACK BOX_utilities datacollect in the help CD Usage DataCollect IP Pass Oid Out v Poll where IP x x x x The IP address of the host to c...

Страница 116: ...ollection When you have collected enough data press CTRL C to stop the program from running The data output file called for example data10 1 1 7 txt should be copied to a new directory for analysis Th...

Страница 117: ...n the screen To run this utility we need a supporting DLL file libSNMP dll which is located in the same directory as the executable file Usage SNMPget options hostname community objectID Options UCD S...

Страница 118: ...instead of the default port T LAYER use LAYER for the network layer UDP or TCP t T set the request timeout to T r R set the number of retries to R Debugging d dump input output packets D all TOKEN TOK...

Страница 119: ...etailed warnings of MIB symbols Conflicts R Replace MIB symbols from latest module O OUTOPTS Toggle various defaults controlling output display OUTOPTS values n Print OIDs numerically e Print enums nu...

Страница 120: ...temp 10 1 1 7 public 1 3 6 1 4 1 3854 1 2 2 1 16 1 10 0 Where c temp is the folder where the MIB files ifmib txt ipmib txt etc are located 10 1 1 7 is the IP address of the ServSensor JR public is th...

Страница 121: ...value set is printed on the screen To run this utility we need a supporting DLL file libSNMP dll that is located in the same directory as the executable file Usage SNMPset options hostname community o...

Страница 122: ...tions p P use port P instead of the default port T LAYER use LAYER for the network layer UDP or TCP t T set the request timeout to T r R set the number of retries to R Debugging d dump input output pa...

Страница 123: ...cts W Enable detailed warnings of MIB symbols Conflicts R Replace MIB symbols from latest module O OUTOPTS Toggle various defaults controlling output display OUTOPTS values n Print OIDs numerically e...

Страница 124: ...ING U unsigned int64 I signed int64 F float D double Example SNMPset M c temp 10 1 1 7 public 1 3 6 1 4 1 3854 1 2 2 1 16 1 10 0 i 30 Where c temp is the folder where the MIB files ifmib txt ipmib txt...

Страница 125: ...essage H display configuration file directives understood V display version number v 1 2c 3 specifies SNMP version to use Version 1 or 2c specific c c set the community name v1 or v2c Version 3 specif...

Страница 126: ...r R set the number of retries to R Debugging d dump input output packets D all TOKEN TOKEN turn on debugging output for the specified TOK s General options m all MIBS use MIBS list instead of the def...

Страница 127: ...OUTOPTS Toggle various defaults controlling output display OUTOPTS values n Print OIDs numerically e Print enums numerically b Don t break OID indexes down q Quick print for easier parsing f Print ful...

Страница 128: ...d OID in the search range Example SNMPwalk M c temp 10 1 1 7 public 1 3 6 1 4 1 3854 1 2 2 1 16 1 10 1 Where c temp is the folder where the MIB files ifmib txt ipmib txt etc are located 10 1 1 7 is th...

Страница 129: ...ss routers Q What is the default IP of the device A The default IP assigned at the factory is 192 168 0 100 Q If the IPSet fails is there any other method of assigning the IP A Please do the following...

Страница 130: ...the html code update Html code updates has to be done after the firmware update is done Q Where can I find the MAC address of the device A The MAC address of the device can be found on the bottom cov...

Страница 131: ...undo this setting and allow the IP address to once again be changed The command to disable the IP change is SNMPset IP community 1 3 6 1 4 1 3854 1 2 2 1 62 0 i X Where IP is the IP address of the dev...

Страница 132: ...ings prohibit it from accepting connections form the device IP i The firewall in the network is preventing the SMTP traffic Q I cannot log in to the device A Possible causes may be a The password ente...

Страница 133: ...below SNMPset IP community 1 3 6 1 4 1 3854 1 2 2 1 60 0 i X Where IP is the IP address of the ServSensor JR community default is public X can take 3 values 1 WhatsUP gold style 2 HP OpenView Style 3...

Страница 134: ...have been necessary had we proceeded with that design would have been to tune out the offset by applying a fudge factor The problem is that this fudge factor would have had to change depending on the...

Страница 135: ...Copyright 2004 Black Box Corporation All rights reserved BLACK BOX Network Services...

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