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3M Dynatel 965AMS User Manual
Summary of Dynatel 965AMS
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February 2009 78-8140-2658-5-a future-proof testing platform 3 dynatel ™ advanced modular system 965ams 30-megahertz spectrum analyzer dsl user’s guide.
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2 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer.
Page 3: Contents
3 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer contents dsl (digital subscriber line) ..........................................................5 dsl loss ..................................................................................................5 dsl noise ............
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4 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer.
Page 5: Dsl
5 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl (digital subscriber line) the dsl functions include: dsl loss, dsl noise, dsl spectrum analyzer, resistive balance, and dsl impulse noise. Dsl> dsl loss use dsl loss function to measure the amount of loss in a circuit at a ...
Page 6: Operation
6 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl loss> operation 1. Press the blue dsl key to enter the dsl function. Use the up and down arrow keys to select dsl loss. Use a tone source at the far end that is capable of sending a known output level such as a 965ams. ...
Page 7: Operation
7 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl loss> operation 5. Press ok to make the measurement. 6. The results of the measurement will be displayed as a –dbm level at a specific frequency. Dsl>dsl loss> application notes dsl loss measures the signal lost from a ...
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8 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer below is a sweep that was performed with a 965ams, a 3m ™ dynatel ™ far end device fed ii and the selected service was adsl2. Look at the before and after for these two readings. When the bridge tap is removed then the slope no...
Page 9: Dsl Noise
9 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl> dsl noise use dsl noise function to measure the longitudinal or metallic noise on a dsl line. Dsl>dsl noise> hook-up 2%$ '2. ",+ 2ing 2ing 'round 'round 4ip 4ip dsl>dsl noise> operation 1. Press the blue dsl key to enter t...
Page 10: Operation
10 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl noise> operation 3. Use the up and down arrow keys to select the type of service that you are measuring. 4. Press ok when finished. 5. Press ok to start the measurement for dsl noise. 6. Press select longitudinal to me...
Page 11: Operation
11 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl noise> operation 7. Press select metallic to measure metallic noise. Dsl>dsl noise> application notes noise can affect wideband services by taking up valuable bandwidth and reducing speed. Symptoms of high noise can be...
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12 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer metallic noise is a measured between tip [a] and ring [b]. Metallic noise measures the active noise on a pair. 2%$ ",+ 2ing 2ing 4ip 4ip both tests are performed through filters based on the service that is selected in setup..
Page 13: Dsl Spectrum Analyzer
13 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl> dsl spectrum analyzer use dsl spectrum analyzer (sa) to display a graph of useful signals and interference/noise at specific frequencies up to 30 mhz. Dsl>dsl spectrum analyzer> hook-up 2%$ ",+ 2ing 2ing 4ip 4ip dsl>dsl s...
Page 14: Operation
14 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl spectrum analyzer> operation 3. Press span to change the frequency range. 4. Use the left and right arrow keys to move the cursor. The cursor position will display the frequency and the signal level. 5. Once you have s...
Page 15: Operation
15 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl spectrum analyzer> operation adsl upstream t1 hdsl isdn.
Page 16: Application Notes
16 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl spectrum analyzer> application notes spectrum analysis allows you to visually see a disturbing signal’s shape by reading and displaying the level of noise in a frequency range. The shape can be caused by adsl, isdn, hd...
Page 17: Resistance Balance
17 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl> resistance balance use resistance balance to measure the: loop resistance between the red and green test leads. • resistance of each conductor connected to the red and • green test leads. Resistance difference between the...
Page 18: Operation
18 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>resistance balance> operation 3. Press test to start the test. Dsl>resistance balance> normal values service % ohms difference pots 3% wideband 1% dsl>resistance balance> application notes the resistance balance test is us...
Page 19: Dsl Impulse Noise
19 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl> dsl impulse noise use impulse noise to measure short spikes of random amplitude and random frequency. These short bursts can damage data transmission if the amplitude and frequency are spiking into used transmission paths...
Page 20: Operation
20 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl impulse noise> operation 3. Use the up and down arrow keys to select the type of service that you are measuring. 4. Press ok when finished. 5. Press ok to start the impulse noise test. 6. Press setup to select: count t...
Page 21: Operation
21 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl impulse noise> operation 8. Press restart to begin a new test. 9. Press setup to return to the setup screen..
Page 22: Application Notes
22 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer dsl>dsl impulse noise> application notes since impulse hits, noise and other power related interference can fluctuate during the day you have the option of measuring three different levels. If you traditionally measure impulse...
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23 3m ™ dynatel ™ advanced modular system 965ams 30-mhz spectrum analyzer.
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This is the eu symbol for equipment that is covered under the waste from electrical and electronic equipment (weee) directive per cenelec specification 5041. It indicates that certain products should not be discarded in the trash, but rather should be recycled. This applies to all electronic pluggab...