Sifos Technologies PhyView PVA-3000 User Manual

PVA-3000 Reference Manual
December 2, 2019 Sifos Technologies
Page
89
4.12. PowerShell Calibration Utilities
Calibration Utilities are provided to create and manage calibrations required by certain PVA measurements, namely
Power Spectral Distortion (PSD), Bulk Return Loss (Echo), and Bulk Crosstalk (Xtalk). The meter calibration process,
including test cables and physical hookups, was described earlier in Section 2.2.6.
Command
Command Parameters
Returned
Parameters
pva_cals
<port1 port2 .. portN> measurements linkRates <avg navgs>
<-noimpair>
ALL_CALS_
STORED
or
(Error Conditions)
Perform single or mulit-port 1000BaseT (4-Pair) calibrations and/or
100BaseTx (2-Pair) calibrations for PSD, Echo, and/or Xtalk at
100BaseTx and/or 1000BaseT. Calibrations will require that each
selected port is connected to it’s calibration partner test port. This utility
verifies all calibration connections before sequencing the calibrations. It
also verifies functionality of impairment generators for Line Loss, Noise,
and Jitter/Tx Offset.
port1 port2 .. portN Ports to calibrate. Only ONE PORT PER SLOT is
accepted in this list because calibration cables are dedicated to each
Test Port and must be mated to calibration partner on same test slot.
Default is current slot,port. May also specify 99,1 to convey “all Port
#1’s on all test blades” and 99,2 to convey “all Port #2’s on all test
blades.”
measurements Measurement types to calibrate. Options are psd
(power spectral distortion), echo (bulk return loss), and/or xtalk (bulk
crosstalk). Echo and Xtalk are calibrated at 1000BaseT only. If no
measurements are selected, pva_cals will just check impairments.
linkRates Link speeds to calibrate. Options are 100 and/or 1000 for
100BaseTx and 1000BaseT respectively. Note that only PSD is
calibrated at 100BaseTx while all three measurements can be
calibrated at 1000BaseT.
avg navgs Specify non-default averaging for all calibrations. Default= 32.
Range is 8 to 64. Generally higher averaging is advantageous for
noise reduction. It is recommended that 64 be used for PSD
calibrations.
-noimpair Bypass self-testing of impairment generators.
pva_show_cal
<psaAddress> <-d>
Ordinary or
Tabular List of
Cal_Type, Slot-
Port, Pair,
Link_Rate, Date,
and Time
Provides a table display of available PVA calibrations for the current or
selected PSA/PVA chassis. Includes Slot, Port, Calibration Type, Pair or
Pair Group, and Date of each calibration for that chassis.
psaAddress Non-Default PSA/PVA chassis. Default is current
connected PSA/PVA chassis.
-d Present results in table form for easy reading. Default is return
ordinary (TCL) list.

Sifos Technologies PhyView PVA-3000 Specifications

General

Brand	Sifos Technologies
Model	PhyView PVA-3000
Category	Measuring Instruments
Language	English