Technical data

Troubleshooting Guide 5
N1911A/1912A P-Series Power Meters Service Guide 57
Communication Interface Failures
Type of Communication Debug Tips Possible Faults
GPIB communication Check/reseat the ribbon cable
connecting the PPMC to the
main board
Ribbon cable (low probability)
PPMC assembly (low
probability)
Main board (high probability)
LAN/USB communication Check visually to see whether or
not the connector is
obstructed/damaged
PPMC assembly