3M 965DPS instruction manual Tdr

Function		Range	Accuracy
Loss:		-40 to +10 dBm	0.5 dB
@600 Ω		200 to 3000 Hz	2 Hz
		3 kHz to 10 kHz	10 Hz
		10 kHz to 20 kHz	20 Hz
Wideband Loss:		-50 to +2 dBm	2 dB
@135 Ω		20 kHz to 1200 kHz	1 %
Noise Metallic:		0 to 50 dBrnc	2 dB
		(-90 to -40 dBm0p)
Power Influence:		40 to 100 dBrnc	2 dB
		(-50 to 10 dBm0p)
Longitudinal Balance:		0 to 70 dB	2 dB
		70 to 85 dB	--
TDR:
Range:	100, 200, 500, 1000, 2000, 5000		0.6% of range
	10000, 20000, 30000 ft.
	(30, 60, 150, 300, 600, 1500,
	3000, 6000, 10000 m)
Velocity:	0.5 to 0.99
	(150 to 299 m/µs)		0.01 (1m/µs)
Pulse Width:	5 nS, 34 nS,
	235 nS, 1600 nS		fixed values
Modes:	single trace, dual trace, differential,
	memory, crosstalk, peak
ISDN (2B1Q):
Status:		Active or Inactive
Block Errors:		Near- and Far-end	+/- 1 error
(Note: Block Errors in US and Canada only)
ADSL (DMT):
Status:
Fast Rate		Up/Down	+/- 1 kbps
Interleaved Rate		Up/Down	+/- 1 kbps
Max Rate		Up/Down	+/- 1 kbps
Margin		Up/Down	+/- 1dB
Attenuation		Up/Down	+/- 1dB
Power		Up/Down	+/- 1 dBm
Capacity		Up/Down	——
Info:
FEC		Up/Down	+/- 1
CRC		Up/Down	+/- 1
HEC		Up/Down	+/- 1
Alarms:
LOS		Down	——
LOF		Down	——
LCD		Down	——
LOM		Down	——
DSL Loss:		-75 to +5 dBm	1 dB
@100/135 Ω		20 kHz to 1200 kHz

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