Tenmars TM-901 User manual

LAN Cable Verifier
User Manual
TM-901

TM-901

TM-901
HB2TM9010000
June 2009 Rev. 0.1
©2009 TENMARS Corporation. All right re erved.

TM-901
Table of Content
Introduction ........................................................................................ 1
Lan Cable Verifier Features ................................................................ 3
Display Features .................................................................................
Auto Shutoff ....................................................................................... 5
Backlight ............................................................................................ 5
Testing Twisted Pair Cabling .............................................................. 7
Twisted Pair Test Results .................................................................... 8
Opens .................................................................................... 8
Shorts ................................................................................... 10
Miswires .............................................................................. 11
Split Pair .............................................................................. 12
Length Display ................................................................................ 1
Using Multiple Remote ID Locators ................................................. 16
Changing Default Category and Types(UTP/FTP) Options .............. 18
Memory User Calibrating Length Measurements Value Parameter ... 20
Changing Memory Number .............................................................. 20
Calibrating Length Measurements Value Parameter ......................... 22

TM-901
Checking the LCD and Software Version ......................................... 23
Battery Replacement ........................................................................ 23
Options and Accessories ................................................................... 2
Specifications ................................................................................... 25
End of life ........................................................................................ 26

TM-901
Introduction
The TM-901 Lan Cable Verifier is a hand-held test
instrument that lets you verify and troubleshoot the
Lan cable of t isted pair.
The verifier does the follo ing:
• Detects opens, shorts, mis ires and split pairs on
t isted pair cabling.
• Displays graph iremap , opens, shorts, mis ires,
split pairs, and the remote ID number all on one
screen.
• Identify remote ID number only one pair.
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• Measures length.
• Using multiple remote ID up to 8 locators.
• Lo battery detector “ ”.
• Auto backlight.
• Auto shutoff.
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Lan Cable Verifier Features
1. TEST Key.
2. Navigates through screens and changes
settings.
3. Display Length and iremap s itch.
4. Setting Key and Unit select.
5. LCD display ith backlight.
6. RJ45 connector socket.
7. Battery placement.
8. Battery cover.
9. Remote ID locator.
10. RJ45 connector socket of remote ID locator.
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Display Features
1. Displays graph iremap , opens, shorts,
mis ires, split pairs.
2. Displays Length and Unit
3. Lo er battery indication.
4. Enter the SETUP mode symbol.
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5. Result displays, Pass, , split.
6. Displays remote ID number.
Auto Shutoff
The verifier turns off after 2 minutes if no keys are
pressed.
The verifier will auto save value before shutdown.
Backlight
Auto Backlight
Press any key to turns on backlight ,and verifier
turns off after 10 seconds if no keys are pressed.
Auto Backlight On/Off
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In the display iremap ,press the key into
setting mode. Press and key to select
backlight on/off setting. Press or key to
change ON or OFF.
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Testing T isted Pair Cabling
1. Connect the verifier and remote ID locator to
the cabling as sho n in Figures.
2. Press key to start detects and measures.
3. Display sho some testing option as sho n in
Figures.
. Waiting 2~4 seconds sho detects result.
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T isted Pair Test Results
The follo ing figures sho typical test results for
t isted pair cabling. Any error occurs ill sho
symbol on LCD.
Opens
Figure sho s an open on ire 5.
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If remote ID locator is not connected ,all wires are shown
as open.
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Shorts
Figure sho s to short bet een ires 3, 4 and 5,
another 1 and 8.
※ When shorted occur, the verifier maybe not show open and
miswires.
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Mis ires
Figure sho s that ires 3 and 4 are crossed. The
pin numbers order to indicate the fault.
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Split Pair
The follo ing figure sho s a split pair on 3, 6 and 4,
5. The split pair flashes to indicate the fault. LCD
ill sho “SPLIT” indicate.
In a split pair, continuity from end to end is correct,
but is made ith ires from different pairs. Split
pairs cause excessive crosstalk that interferes ith
net ork operation.
The spilt pair detects of cable must be at least 2
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meter(6ft in length.
If open, short and miswires anyone occur, the spilt pair
detects will don’t work.
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Length Display
1. Press the key to display s itch bet een
length and iremap.
2. Press and Key to select sho length
pairs 1~4.
3. In the display length ,press the key to
changing the length units
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※ When warning symbol is appearing, maybe to cause
incorrect length measure value.
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