3M 965DSP - Page 142

142
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