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Measurement Functions 3M™ Dynatel™ Advanced Modular System 965AMS
POTS Noise Normal Range
Parameter OK Marginal Not OK
Balance > 60 50–60 < 50 dBm
Loss < 6 6–8.5 > 8.5 dBm
Noise < 20 20–30 > 30 dBmC
POTS>Longitudinal Balance
Use Longitudinal Balance to measure the active Longitudinal
Balance on the pair. This test measures the ability of the Tip and
Ring to reject noise and crosstalk.
POTS>Longitudinal Balance>Hook-Up
RED
GRN
BLK
Ring (B)Ring (B)
Ground (Earth)
Ground (Earth)
Tip (A)
Tip (A)