Instruction d'utilisation Test-Um NT700

Instruction d'utilisation pour le dispositif Test-Um NT700

Dispositif: Test-Um NT700
Catégorie: Carte réseau
Fabricant: Test-Um
Dimension: 2.26 MB
Date d'addition: 9/19/2013
Nombre des pages: 24
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Test-Um NT700 Manuel d'utilisation - Online PDF
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Résumés

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Résumés du contenu
Résumé du contenu de la page N° 1

TM
LanScaper
OPERATING INSTRUCTIONS

Résumé du contenu de la page N° 2

Résumé du contenu de la page N° 3

TM LanScaper Page 1.0 INTRODUCTION 3 1.1 Cautions 3 1.2 Kit Contents 3 1.3 Features 3 1.4 Using this Manual 3 1.5 Network Connectivity 4 4 2.0 STEP BY STEP USE INSTRUCTIONS 4 2.1 To ID an Unknown Jack or Plug 2.2 To Test Cables Only 4 4 2.3 To Place Tone ona Cable 2.4 To Measure Length ofa Cable 4 2.5 To Locate an Ethernet Port 5 2.6 To PING Devices ona Network 5 2.7 To Validatea Cable Link by Functional Testing 5 2.8 To Change PING Addressing Mode 6 3.0 FUNCTIONAL DESCRIPTION 6 3.1 Voltage Chec

Résumé du contenu de la page N° 4

Résumé du contenu de la page N° 5

TM LanScaper For detailed description of each function, see the Functional Description section. Interpreting Cable Test Results and Error Messages sections are useful reference sections. ™ 1.5 Network Connectivity- The LanScaper uses IP address protocol and recognizes Auto- Negotiation using Fast Link Pulses to report advertised Ethernet capability. LanScaper™ also supportsa modified version of auto MDI/MDI-X to allow for connection toa HUB, switch or NIC witha straight through cable. The LanSca

Résumé du contenu de la page N° 6

TM LanScaper 3) Press up/down arrows to adjust length constant. If length constant is unknown fora particular cable,a known length of cable may be used to set the constant. Fifty feet or more is suggested to minimize the resolution error (1 foot in 50 is 2% uncertainty). Connect known cable to tester and change the cable constant using up/down arrows until the length reads correctly. 2.5 To Locate an Ethernet Port 1) With LanScaper™ powered off, connect LanScaper™ toa jack or plug at the worksta

Résumé du contenu de la page N° 7

TM LanScaper 2.8 To Change PING Addressing Mode - Other options are changed similarly. 1) Turn on LanScaper™ by pressing PWR button and press the middle of the CABLE/NTWRK button, which is marked SETUP. The percent battery remaining screen will appear briefly. 2) Press down arrow button three times, DHCP On or DHCP Off should be displayed. 3) Press SEL button to toggle between on and off. Displayed value is current setting. 4) Press CABLE or NTWRK to exit toa test or press and hold PWR button to

Résumé du contenu de la page N° 8

TM LanScaper 3.2.1 Jack ID- The Jack ID test identifies what equipment, if any is, connected to the other end of the jack or cable being tested. The test first looks for voltages being present on the connector pins. If voltages are found in typical phone locations, tests for current levels and dial tone are run. From these tests, the LanScaper™ will report voltage or phone type found. If no voltages are present, testing for Ethernet link pulses commences. If link pulses are found, the advertised

Résumé du contenu de la page N° 9

TM LanScaper 3.2.4 Tone Generator - The tone mode generates audio tones for use with tone tracers on all pairs, a selected pair ora selected pin. The signal generated ona pair has the signal on one pin and the complement of the signal on the other pin of the pair, yieldinga nominal 10 volts peak-to-peak across the pair. The SEL button selects one of the four tone sounds provided. The up/down arrows scroll through the pairs and pins that have signal on them. All pins not being driven are held at

Résumé du contenu de la page N° 10

TM LanScaper (ARP) request directed to its proposed MyIP address. A response to the ARP tells the tester that some other device on the LAN is already using that IP address. The DHCP protocol specification (RFC 1541) says that in the casea server offers an address already in use, the receiver of that address should reject it and request another. The LanScaper™ does not inform the server about the conflict, but it does report on the LCD “My IP in use on this network”. If this is found, the tester

Résumé du contenu de la page N° 11

TM LanScaper The tester sends out an ARP packet directed to the Router, and needsa response from the Router informing the tester of the Router's MAC address. During this phase, “ARP” will flash under the “Rtr” acronym. If no response is received to the ARP request, the tester will repeat the request at varying intervals (1-3 seconds). No response to the ARP can mean that the IP address assigned to the Router is not correct, the Router is non-functional, or that it is not accessible on the LAN du

Résumé du contenu de la page N° 12

TM LanScaper 3.3.3 Validate Link- This mode allows two LanScaper™ testers to be connected directly to each other ona cable with no other equipment required. No special configuration of the testers is required other than to put them into the test modes as described. This allowsa cable run to be verified after installation. One LanScaper™ is put into Validate Link mode (Validator), while the other one is put into PING test with DHCP Off (PING Generator). The Validator will be locked in NIC mode, g

Résumé du contenu de la page N° 13

TM LanScaper Each of the four decimal numbers separated by periods represents one hexadecimal byte of the four byte IP address, and can only take on the values between 0-255. Each digit in the decimal number can only be set toa value valid for that position. Thus, the high order digit in any of the decimal numbers can only be set to 0, 1, or 2. In addition, each digit can only be set toa valid value in relation to the low-order digits in that number. The high order digit can only be set to2 if t

Résumé du contenu de la page N° 14

TM LanScaper 4.4 DHCP On/Off- This isa simple on-off selection made using the SEL button. The last displayed state is the selected state. DHCP isa protocol negotiation used to automatically configure the IP parameters of the LanScaper™ ona specific LAN segment. With DHCP On, the next time the PING test is started, the tester will request IP parameters it needs for LAN communication froma DHCP server on that LAN segment. Ifa response froma server is received, the tester will configure itself with

Résumé du contenu de la page N° 15

TM LanScaper NIC init err- The Ethernet interface chip used in the LanScaper™ reporteda problem to the CPU during internal initialization. May be caused bya hardware problem inside the tester. NIC Rx overrun- The Ethernet interface chip used in the LanScaper™ provides internal buffering for multiple packets. If new packets are received faster than they can be processed, the Ethernet chip discards the new packets and sets the Overrun error flag. The tester detects and reports this error. May be c

Résumé du contenu de la page N° 16

TM LanScaper 6.0 INTERPETING CABLE TEST RESULTS - The PASS icon will be on if the cable has all pins properly connected per T568A/B. Neither icon will be on if the cable is cross-over (uplink) cable. The FAIL icon will be on if there is any other condition. See Figure 6.1, Examples of Wiring Errors. Definition of Errors- The three classes of faults discussed below are in order of severity. The severity has to do with the ability ofa more severe error to mask lower severity errors. For example, i

Résumé du contenu de la page N° 17

TM LanScaper DARK= ON Fig. 6.1 Examples of Wiring Errors (shielded) = FLASHING OPEN 1 1 2 2 FAIL 3 3 4 4 12345678S ID 5 5 345678S1 6 6 7 7 8 8 SHORT 1 1 2 2 FAIL 3 3 4 4 12345678S ID 5 5 123456 S1 6 6 Short 78 7 7 8 8 MISWIRE 1 1 2 2 FAIL 3 3 4 4 12345678S ID 5 5 13245678S1 6 6 7 7 8 8 SPLIT PAIR 1 1 2 2 FAIL 3 3 4 4 12345678S ID 5 5 45 78S1 6 6 Split 1236 7 7 8 8 (1 not twisted with 2;3 not twisted with 6) T568A/B Passing Cable (unshielded) 1 1 2 2 PASS 3 3 4 4 12345678 ID 5 5 123456781 6 6 Cab

Résumé du contenu de la page N° 18

TM LanScaper 7.0 MAINTENANCE 7.1 Battery Replacement- When the battery low icon is on, the battery should be replaced as soon as practical. The testing results will become unreliable when the battery reaches about 5.0 volts. To replace the battery: 1) Be sure tester is off. 2) Remove rubber battery cap by pressing on edge of the cap with the heel of the hand until the cap pops off. 3) Pull battery out of cavity and remove battery snap. 4) Connecta new Alkaline9 volt battery to battery snaps with

Résumé du contenu de la page N° 19

TM LanScaper Appendix A: Glossary of Networking Terms 10 Base-T - The earliest definition of Ethernet was for 10 Million Bits per second, 10 Mbps. The Ethernet specification defined several different cabling schemes, including T568A/B (4-pairs of wire) and coax wiring. The 10 in 10 Base-T defines 10 Mbps and the Base-T defines T568A/B, CAT3 cabling. 10 Base-2 defines 10 Mbps over coax. Note that the LanScaper™ PING mode works in 10 Base-T. It relies on the legacy compatibility built in to all 10

Résumé du contenu de la page N° 20

TM LanScaper NIC = Network Interface Card- Typically an option card plugged intoa PC card slot that provides an Ethernet interface for that PC. LanScaper™ uses the term NIC to define the connector pin out that allows for direct connection toa HUB device usinga straight-through cable. Polarity- Ethernet transmit and receive driver chips use differential voltages to improve noise immunity. Thus each direction of transmission usesa pair of wires, one for the positive (+) side and the other for the


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