M
ASTER
T
ROUBLESHOOTING
G
UIDE FOR
6000/8000
G3/G4/G5
I
NTERACTIVE
F
LAT
P
ANELS
19 smarttech.com/kb/171103
5.3.5.
Null modem cables cannot be used. A null cable is ‘usually’ identified by having
the same connectors on both ends
5.3.6.
Check that cables are connected and not loose
5.3.7.
Troubleshoot the initial communication by testing the IFP with a short cable
directly connected to a PC running a Terminal program like Putty or TeraTerm. If
you can confirm that the display will react correctly from a terminal program then
it is working as intended and the issues the reside in the host system