M
ASTER
T
ROUBLESHOOTING
G
UIDE FOR
6000/8000
G3/G4/G5
I
NTERACTIVE
F
LAT
P
ANELS
18 smarttech.com/kb/171103
5.
Room Control and RS232
5.1.
5.1.
5.1.
5.1.
No communication
No communication
No communication
No communication
5.1.1.
Settings are the first things to check for. All SMART products are 19.2kbps at 8
bit, no parity, 1 stop bit. Updates can be found on the SMART Support site for your
specific product
5.1.2. Null modem cables cannot be used. A null cable is ‘usually’ identified by having
the same connectors on both ends
5.1.3.
Check that cables are connected and not loose
5.1.4.
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
5.1.5. Try disconnecting all equipment other than the RS232 connection. If it works,
reconnect pieces one at a time until you determine the conflict
5.2.
5.2.
5.2.
5.2.
Communication established but commands not working
Communication established but commands not working
Communication established but commands not working
Communication established but commands not working
5.2.1. Settings and Updates are the first things to check for. All SMART products are
19.2kbps at 8 bit, no parity, 1 stop bit. Updates can be found on the SMART
Support site for your specific product
5.2.2.
Note that some commands will only work when the panel is on, consult your
user/admin guide for more information
5.2.3.
Power cycle the system by turning the rear rocker switch off, waiting 30
seconds, and turning the panel back on
5.2.4.
Null modem cables cannot be used. A null cable is ‘usually’ identified by having
the same connectors on both ends
5.2.5.
Check that cables are connected and not loose
5.2.6.
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
5.3.
5.3.
5.3.
5.3.
Commands are working intermittently or are ign
Commands are working intermittently or are ign
Commands are working intermittently or are ign
Commands are working intermittently or are ignored
ored
ored
ored
5.3.1.
Settings are the first things to check for. All SMART products are 19.2kbps at 8 bit,
no parity, 1 stop bit. Updates can be found on the SMART Support site for your
specific product
5.3.2.
Note that some commands will only work when the panel is on, consult your
user/admin guide for more information
5.3.3.
Ensure that you are not continuously polling for data. Requesting Power Status
every half second will cause issues for example
5.3.4.
Power cycle the system by turning the rear rocker switch off, waiting 30
seconds, and turning the panel back on
