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Page 43

Note: See Chapter 3: Autotest for more information on NEXT testing.

NEXT Sweep

To display this screen, press the

Measure Cable Performance

key, then select

NEXT

, then press

Sweep (F2).

This screen allows you to select the sweep range and step method for NEXT tests.

If your Scanner has an alphanumeric overlay on the keypad, use the keypad to enter the new sweep
limits. If your Scanner does not have an alphanumeric overlay, press

Edit (F2)

to display the edit

screen.

Press the

ESCAPE

key to return to the

NEXT

results screen.

Attenuation

To display the

ATTENUATION

screen, press the

Measure Cable Performance

key, then select

Attenuation

Press

Graph (F1)

to enter graphing mode.

Press

Sweep (F2)

to display the Attenuation results at different frequencies.

Press

Pair (F3)

to toggle through the available pair combinations.

Press the

ESCAPE

key to return to the

MEASURE CABLE PERFORMANCE

screen.

Attenuation Graph

To display this screen, press the

Measure Cable Performance

key, then select

Attenuation

, then

press

Graph (F1).

This screen displays the Attenuation graph for the indicated pair combination.

Press

Zoom (F1)

to magnify the area of the graph around the cursor. The Zoom key can display

1x, 2x, 5x or 10x magnification.

Press

Print (F2)

to print the Attenuation graph.

Press

Test (F3)

to rerun the Attenuation test and display new data.

Press the

ESCAPE

key to return to the Attenuation screen.

Note: See Chapter 4: Editing, Printing & Updating for more information on printing.

Attenuation Limits

To display this screen, press the

Measure Cable Performance

key, then select

Attenuation

, then

press

Sweep (F2).

This screen allows you to change the Attenuation Sweep range and step criteria.

Press the

key to highlight the field to change. Use the Scanner keypad to enter the range

values, or press

Change (F2)

to toggle through the Criteria values.

When entering range values, press

Del (F2)

to delete the number at the cursor. On the

Penta,

there is also a numeric mode, indicated by

NUM (F3).

Содержание PentaScanner

Страница 1: ...er Product Family to install mange and troubleshoot Category 5 and ISO Class C D Cabling Systems The PentaScanner Product Family verifies installed links against Category 5 TSB 67 and 568A Annex E and...

Страница 2: ...k termination for other measurements In addition each measures NEXT at the Injector end of the link and reports the results to the Scanner As part of the Autotest NEXT results are stored for both ends...

Страница 3: ...press and hold The Software and Hardware Version Numbers are displayed in the right center of the screen Check the Microtest Web page at http www microtest com or the Microtest Bulletin Board System B...

Страница 4: ...ge The Ni Cd battery pack is NOT being recharged while the Scanner is powered ON The Ni Cd battery pack is recharged by powering OFF the Scanner and plugging the AC adapter in to the Scanner or by usi...

Страница 5: ...harge and recharge in approximately 15 20 hours For best results do not remove the AC adapter until the battery is fully charged On the PentaScanner the battery is fully charged when the Charging Batt...

Страница 6: ...nt possible damage to the input circuits Tests cannot be performed when hazard conditions are detected on the inputs 2 Way Injector 2 Way Injector LED Indicators Test Connector 36 pin on 2 Way Injecto...

Страница 7: ...dicators Indicator State Description Status Rapid blink Test in progress Status Steady light Injector waiting for signal from Scanner Status Slow blink Injector battery low Pass Steady light Test has...

Страница 8: ...SHORT the wire pair under test and the Scanner measures Loop Resistance If the 2 Way Injector is not connected the Scanner will display OVR Over Range Wire Map Find Yes The Scanner communicates with...

Страница 9: ...using the patch cable supplied with the Scanner see following diagrams If you have a Scanner with a 36 pin connector you may also need to use the Mod 8 Adapter included 2 Power on the Scanner 3 Press...

Страница 10: ...sional slight increase in test times while internal calibration is being performed Connections The Scanner and the Injector are used together to perform measurements that allow the Scanner to verify i...

Страница 11: ...ch the Injector to the Modular 8 jack Wiring Closet Work Area Modular 8 Jack Modular 8 Plug to 36 Pin Patch Cable 36 Pin Injector 36 Pin Scanner If you are using a Super Injector use the Modular 8 pat...

Страница 12: ...dular 8 jack If you are using a 2 Way Injector or Super Injector use the Modular 8 patch cable to connect the Injector to the Modular 8 jack as shown Full Channel Modular 8 Link A full channel consist...

Страница 13: ...block User Cable Chapter 3 Autotest Autotest lets you run cable tests check test results against standards and get a PASS FAIL indication without having to know which tests to select or how to interp...

Страница 14: ...nctions key and select Calibrate Injector 5 Press the AUTOTEST key If you are testing twisted pair cable the Scanner will immediately verify that the Injector is attached If the Injector is not attach...

Страница 15: ...press Default F1 from the CABLE SETUP screen to select it as the cable type to use during testing Press the ESCAPE key to exit without saving Calculating NVP To display the CABLE NVP screen press Cabl...

Страница 16: ...ress the Extended Functions key then select Setup Autotest then highlight the Autotest to edit then press Edit F2 This screen lets you customize Autotest settings Press the or arrow key to scroll thro...

Страница 17: ...e or arrow key to move between rows Press Select F2 or Unsel to select or deselect the pair Selected tests are marked with an x Press Save F1 to store the pair selections and exit or press the ESCAPE...

Страница 18: ...the screen indicates the progress of the Autotest Press the ESCAPE key at any time to cancel the Autotest Note The Injector must be attached to the far end of the cable during Autotest If it is not t...

Страница 19: ...d but wires from logical pairs are split up This error is more difficult to detect because there is still a pin to pin correspondence Wire Map finds split pairs and you can also suspect split pairs if...

Страница 20: ...box If your Scanner has an alphanumeric overlay on the keypad use the keypad to enter the limits If your Scanner does not have an alphanumeric overlay press Edit F2 to display the edit screen After e...

Страница 21: ...The Skew value is the worst case value of the difference in propagation delay between the wire pairs Press Pair F3 to toggle through the Delay results for each pair Press the or arrow key to display t...

Страница 22: ...an Offset value When Criteria is set at something other than Fixed the Offset field replaces the Limit field The value entered in the Offset field will be added to the NEXT criteria calculations allo...

Страница 23: ...il F1 from the NEXT screen then press Graph F1 This screen displays the NEXT graph for the indicated pair combination The top line of the screen displays the worst case NEXT and the frequency at which...

Страница 24: ...the Autotest to edit then press Edit F2 then select Limits then select Attenuation then press Limits F4 This screen displays Attenuation limits for each frequency and lets you specify the frequencies...

Страница 25: ...he ATTENUATION screen This screen displays the frequency sweep range and the worst case Attenuation for each pair Press Graph F1 to enter graphing mode Graph F1 is available when Save Sweep Data Attn...

Страница 26: ...combination is shown The ACR in decibels dB is shown to the right of the pair combination The PASS FAIL bar across the screen compares the measured ACR value to the ACR limit value Below the PASS FAI...

Страница 27: ...F1 to store the new Impedance limits and exit or press the ESCAPE key to exit without saving Impedance Test Results To display the Impedance screen press View F1 from the AUTOTEST RESULTS screen then...

Страница 28: ...ue Below the PASS FAIL bar the Loop Resistance limit value is displayed The Autotest name is displayed after Spec at the lower left of the screen Press Table F1 to display the Loop Resistance test res...

Страница 29: ...ssing the Measure Cable Performance key and selecting Capacitance Saving Autotest Results This screen lets you store Autotest results in the Scanner s memory To display the SAVE TEST screen press Save...

Страница 30: ...t point is preserved This permits you to view and print the graphs while viewing an Autotest from memory If this data is not saved then the graphical information is not available except immediately af...

Страница 31: ...to return to the AUTOTEST RESULTS screen Sample Autotest Report 1 Heading provides information on the circuit The Circuit ID is filled in as you save each test result Some fields in the heading can o...

Страница 32: ..._ underscore period comma asterisk left parentheses right parentheses slash pound sign Press Del F2 to delete the character at the cursor Press CAPS F3 or caps or NUM to toggle the keypad between uppe...

Страница 33: ...creen Press Save F1 to store the new settings and exit or press the ESCAPE key to exit without saving 3 Choose the appropriate serial communications cable A DB 9 to DB 9 serial cable is included in th...

Страница 34: ...3 In the Communications screen verify that the settings are 9600 Baud Xon Xoff 8 data bits 1 stop bit and No parity Choose the appropriate Communications serial port Click OK to save these settings 4...

Страница 35: ...ke it easy to locate 4 Begin the transfer from the Scanner see step 7 in Printing or Downloading Test Results above Select text as the Print Format You should see the information scrolling on the Proc...

Страница 36: ...the terminal setting to VT100 Set the protocol to RAW ASCII 3 On the Scanner press the Extended Functions key then select Printer Port Set the baud rate to match the baud rate set in Procomm Plus and...

Страница 37: ...irst set up a default download protocol From the Main Menu select Y for Your Settings Enter 14 between the brackets and press Enter Select the letter representing the download protocol you will use e...

Страница 38: ...C screen will show a progress graph This process will take approximately two minutes Note The international Scanners require an international version of software Attempts to update a non international...

Страница 39: ...e software is being downloaded the PC screen will show a progress graph This process will take approximately one minute 9 When the download is complete the PC displays Download of FLASH image file com...

Страница 40: ...measurements to pinpoint cabling problems caused by opens shorts split pairs or miswires Find Cable Faults draws a graphical representation of the cable showing opens shorts and miswires When Wire Ma...

Страница 41: ...ess Splits F1 to display the wire splits screen The Scanner Injector combination identifies the following wiring configurations Straight Through Wiring Straight through wiring the expected case is dis...

Страница 42: ...rom the Scanner end Penta or the Injector end Inj of the link Press Graph F1 to enter graphing mode Press Sweep F2 to display the NEXT Sweep range and step criteria Press Pair F3 to toggle through the...

Страница 43: ...n Attenuation Graph To display this screen press the Measure Cable Performance key then select Attenuation then press Graph F1 This screen displays the Attenuation graph for the indicated pair combina...

Страница 44: ...select Impedance The pairs are shown on the left and the impedance values in ohms are shown on the right Press the ESCAPE key to return to the Measure Cable Performance screen Loop Resistance To disp...

Страница 45: ...g above that level are counted When the selected voltage level is negative impulses falling below that level are counted The wire pair being monitored is indicated in the upper left corner of the disp...

Страница 46: ...n locating problems by letting you change the traffic sampling interval simply by pressing Setup F4 Note Analyze LAN Traffic does not monitor Token Ring network traffic LAN Traffic Display To display...

Страница 47: ...e limits set length units configure the printer port or set the date and time Note The PentaScanner and PentaScanner Cable Admin display the units printer port and date time items on the main EXTENDED...

Страница 48: ...Editing Autotest Information To display the EDIT AUTOTEST screen press the Extended Functions key then select Setup Autotest then press Edit F2 This screen lets you customize Autotest settings Press...

Страница 49: ...ct Owner Company Name This screen lets you select the Owner or Company Name for editing Use the or arrow key to highlight the name to edit then enter new names with the keypad if your Scanner s keypad...

Страница 50: ...n Press Save F1 to store the new settings and exit or press the ESCAPE key to exit without saving See Chapter 4 Editing Printing Updating for more information on printing and downloading Selecting a G...

Страница 51: ...I or similar device is within one foot of the cable you will hear a multi tone sound Trace along the cable where the sound is loudest to determine the cable s path For more information refer to the Mi...

Страница 52: ...r Cable Admin BNC and shielded Modular 8 RJ 45 connector Testing of all four pairs on RJ 45 is fully supported Serial Port Connector Cable DB 9 Baud rate 300 to 38 400 baud Parity NONE Length 8 Bits H...

Страница 53: ...ency range 0 7 to 100 MHz Sweep Mode 0 1 MHz 0 2 MHz 0 5 MHz linear or TIA user selectable Dynamic Range PentaScanner Measurement dynamic range 75 dB PentaScanner PentaScanner Cable Admin At least 15...

Страница 54: ...00 ohms PentaScanner PentaScanner Cable Admin 5 109 to 5000 ohms PentaScanner 5 200 to 5000 ohms PentaScanner PentaScanner Cable Admin 10 5000 to 10000 ohms Resolution 0 1 ohms 0 to 200 ohms 1 0 ohms...

Страница 55: ...ucer to signal test is complete or overvoltage conditions Rechargeable Battery Removable rechargeable Nickel Cadmium Ni Cd Capacity 1200 mAh Battery Life 8 hours daily operation Charging Time 14 hours...

Страница 56: ...rror model see 2 Way Injector NEXT Injector Specifications table 2 Way Injector 1 5 dB when measured using fixed attenuators Measurement resolution 0 1 dB Super Injector Super Injector Physical Charac...

Страница 57: ...and 165 ohms First make sure that the cable type for which you are changing the Impedance limits has been selected as the default cable type To select the default cable type press Cable F1 from the R...

Страница 58: ...ength limit from 328 to 361 feet Other limits such as the Loop Resistance and Capacitance may also need to be changed proportionately to the increase in Length limit if these tests are failing margina...

Страница 59: ...ner wire like a sheath The outer insulation jacket wraps around the second wire B 9 Female DB 9 Male 2___________2 3___________3 4___________20 5___________5 6___________6 7___________7 8___________8...

Страница 60: ...t Impedance During the Impedance test the cable can be open shorted or terminated There is no preference If UND Under range is displayed the cable is less than 40 feet long or the Impedance is less th...

Страница 61: ...F4 to change the voltage level for detecting impulses Press the ESCAPE key to exit Peak to Peak Noise Test Results To display the PEAK TO PEAK NOISE screen from the Ready screen press Jack F4 and set...

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