Thermo Scientific Micro-Tech 9101 - Page 153

Thermo Fisher Scientific Micro-Tech 9101/9201 Reference Manual, Rev J A-31
UART Configuration Jumpers
Jumper Jumper Settings Default
J34
COMM A, (UART 0)
Jumper Setting Description
Pins 1-2 RS-485 Normal Operation
Pins 2-3 RS-485 Multi-Drop Operation
J34 Installed 1-2
J35
J36
J39
COMM A, (UART 0)
Jumper Setting Description
Pins 1-2 RS-232 Mode
Pins 2-3 RS-485 Mode
Not Installed RS-232 Mode
J35 Installed Pins 1-2
J36 Installed Pins 1-2
J39 Installed Pins 1-2
J38
COMM A, (UART 0)
Jumper Setting Description
Pins 1-2 RS-485 Receive  U0RXD
Pins 2-3 RS-485 Receive  U0CTS
J38 Installed 1-2
J40
COMM A Termination, (UART 0)
Jumper Setting Description
Pins 1-2 Enable RS-485 Termination
Pins 3-4 Disable RS-485 Termination
Not Installed Disable RS-485 Termination
J40 Installed 3-4
J41
COMM A Termination, (UART 0)
Jumper Setting Description
Pins1-2 Enable RS-485 Termination
J41 Installed
J42
J43
COMM A Termination, (UART 0)
Jumper Setting Description
Pins1-2 1.2kΩ termination enable
Pins 2-3 600Ω Bias Enabled
Not Installed No additional termination
J42 Installed 1-2
J43 Installed 1-2