Microtest MICROSCANNER Bedienungsanleitung

MICROSCANNER

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MICROSCANNER

PRO

User Guide

ENGLISH

MICROSCANNER

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MICROSCANNER

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Table of Contents

The Keypad .......................................................... 4

Operating Mode .................................................... 4

Calibration Mode .................................................. 4

Setting the NVP percentage .................................

Changing Display from Meters to Feet ................ 6

Battery .................................................................. 6

High Voltage Protection ........................................ 6

Technical Support ................................................. 7

Product Versions ..................................................7

MICROSCANNER Tests ...................................... 8

Wiremap ........................................................... 8

Patch Cable Wiremap .............................. 10

Length ............................................................ 11

Network Link Indicator

(MICROSCANNER PRO) ......................... 12

Pair Length ............................................... 14

Coaxial Cabling

(MICROSCANNER PRO) ......................... 1

Office Identifier ...............................................16

Office Identifier

(MICROSCANNER PRO) ......................... 17

Toner .................................................................. 18

Technical Specifications ..................................... 19

MICROSCANNER

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The Keypad

When turned on, MICROSCANNER will flash the

LCD power-up test and then resume the test

mode that was last executed. MICROSCANNER

will turn off automatically when no cable is

detected and no key has been used for 10

minutes.

Press ▲ ▼ to quickly change pairs or adjust

values. The ▲ ▼ keys are only active if the

indicators are shown on the display

Operating Mode

Press MODE to select the desired test. The

available modes are: WIREMAP - OFFICE

IDENTIFIER - LENGTH - TONER

Calibration Mode

Turn the MICROSCANNER OFF, then hold the

MODE key down while pressing the ON key to

start 'Calibrate' mode. Use MICROSCANNER to

calibrate cable lengths of more than 0 feet (1

meters) and up to 1 00 feet (4 7 meters.)

MICROSCANNER

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Setting t e NVP percentage

Once in Calibrate Mode, the default NVP

(Nominal Velocity of Propagation) will be

displayed followed by the overall cable length. The

cable length is measured with the currently stored

NVP.

NVP is the measure of how fast a signal travels

down a cable compared to the speed of light. The

result will be represented as a percentage of the

speed of light. For an accurate length test, the

NVP must be set correctly.

If you know a cable's NVP, change the displayed

numbers using the ▲▼ keys until the appropriate

NVP is displayed. The cable length will automati-

cally adjust to the new NVP.

If you know a cable's length, change the shown

NVP using the ▲▼ keys until the appropriate

length is displayed. The NVP can be adjusted in

1% increments, and the length changes accord-

ingly.

Cables used for calibration must be at least 0

feet (1 meters) long. Cable lengths of less than

0 feet will display FAULT.

MICROSCANNER

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C anging Display from Meters to Feet

During Calibration you will be able to switch the

displayed length from meters to feet by simply

pressing the MODE key.

Press the ON/OFF key once the desired cable

length or NVP is displayed to terminate 'Calibrate'

mode and store the new calibration factor.

MICROSCANNER will use it for future length

measurements until another calibration is

performed.

Battery

MICROSCANNER requires a 9 Volt Alkaline

battery. The Battery icon is displayed on the

screen when MICROSCANNER detects a low

battery condition.

Using MICROSCANNER with a low battery may

effect the test accuracy.

If MICROSCANNER is stored for more than one

month, the battery should be removed.

Note: MICROSCANNER will not function properly

with a 9 Volt Carbon Battery.

Hig Voltage Protection

MICROSCANNER is designed to withstand input

voltage conditions that arise from normal

telephony applications such as 48 VDC at less

than 80 ma or 24 VAC used to power many

keysets. Tests cannot be performed when hazard

conditions exist on the inputs.

MICROSCANNER

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Tec nical Support

If you have technical questions, you may contact

Microtest Technical Support by phone, fax or e-

mail.

Nort America, Latin America, and Asia

Pacific:

1-800-NET-FIXR (1-800-638-3497) (U.S. and Canada only)

1-800-419-8991 (FA ) (U.S. and Canada only)

1-602-9 2-6483 (Voice)

1-602-9 2-6494 (FAX)

Greater Europe, Middle East, and Africa:

+44 1 293 4 6 02 , +44 1 293 4 6 008 (FAX)

Before calling Technical Support, please have

your Hardware and Software Version numbers

available.

For new product information: World Wide Web

page at ttp://www.microtest.com

Product Versions

+ +

Turn the MICROSCANNER OFF, then hold the ▲

and MODE keys down while pressing the ON key

to display your hardware and software versions.

Hardware Software

MICROSCANNER

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MICROSCANNER

TMTM

Tests

Wiremap

The Wiremap function tests twisted-pair cabling

for proper wiring. Your cabling configuration is

checked for shield continuity, opens, shorts,

crossed pairs, split pairs, and reversed pairs. Test

Results are displayed as a numeric representa-

tion, where the upper line of fixed digits shows the

detected wires at the MICROSCANNER jack, and

the lower line of digits indicates the actual wiring.

This function requires the use of the Wiremap

Adapter at the far end.

1. Connect the cable to be te ted to the MAIN

jack (identified on the unit right above the

modular 8 jack).

2. To di play the Wiremap creen, pre the

MODE key until the word WIREMAP

appear on the creen.

Following are examples where MICROSCANNER

did not detect any faults.

ull Wiremap with intact shield shown as a

ZERO '0' on the right (4 pair, 8 wires)

MICROSCANNER

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10BaseT Cable Token Ring

unshielded shielded

(2 pair, 4 wires) (2 pair, 4 wires)

Below are examples of wiring faults. The FAULT

indicator will be displayed and the numerical wire

indicators will blink.

Reversed: Crossed:

Pair 3 - 6 Pairs 4 - 5, 3 - 6

Split Pair

Note: If a cable i wired correctly, pin-to-pin, but

there i a plit pair, Wiremap will di play SPLIT

PAIR. For example a wire from the 1 - 2 pair

could be twi ted with a wire from the 3 - 6 pair.

MICROSCANNER

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If the wire does not go to the far end, the

numerical indicator for the open will be left blank.

The word Open will be displayed. Shorted pairs

are indicated with a connecting bracket, and the

word S ort will be displayed.

Open: Pair 4 - 5 Short: Pair 1 - 2

When the wiring fault includes shorted or

swapped non-pair pins (e.g. non-pair pins 1 - 3),

the wiremap will display dashes for those

numerical wire indicators.

Patc Cable Wiremap

The Wiremap function can also be used to verify

patch cables.

1. Simply plug the two end of a cable into the

two modular 8 jack (MAIN and LOOP

BACK) on MICROSCANNER.

2. To di play the Wiremap creen, pre the

MODE key until the word WIREMAP

appear on the creen.

If there are any miswires, the number of the faulty

wire will blink.

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