modbusmode n

Configures the CTM to act as a MODBUS Master or MODBUS gateway. If configuring for MODBUS master gateway, can specify the transmission mode between the modem configured as the serial master gateway and the MODBUS serial device connected to the modem.

n = 0	MODBUS Gateway: Slave gateway (default)
n = 1	MODBUS Gateway: RTU master gateway
n = 2	MODBUS Gateway: ASCII master gateway
n = 3	MODBUS Master

Examples:

Set CTM to be a MODBUS serial RTU master gateway :
cmd modbusmode 1

Set CTM to be a MODBUS master which will poll connected MODBUS slaves :
cmd modbusmode 3