IS-NT-Async-SPI, SW Version 1.2,   ©ComAp – February 2011                                
IS-NT-Async-SPI-1.2.PDF 
 
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RS232(2) mode  [ DIRECT / MODEM (HW) / MODEM (SW) / MODBUS-
DIRECT / MODBUS-MDM(HW) / ECU LINK] 
Communication protocol selection for RS232(2) line. 
Description is the same like for RS232(1) mode. 
Available only in IS-NT and in IG-xxC versions. 
Hint:
 
Detail description of  Modbus protocol see in Communication guide. 
ECU LINK mode can be selected only at RS232(1) port. 
ECU LINK mode available only starting from FW versions IGS-NT-2.2 or higher together with IGS-NT-E-
COM-1.1 or higher. 
RS232(1)MBCSpd  [ 9600 bps / 19200 bps / 38400 bps / 57600 bps ] 
Defines the communication speed on RS232(1) line when ModBus mode is selected. 
RS232(2)MBCSpd  [ 9600 bps / 19200 bps / 38400 bps / 57600 bps ] 
Defines the communication speed on RS232(2) line when ModBus mode is selected. Available only in IS-NT 
and in IG-xxC versions. 
RS485(1) conv.    [ DISABLED / ENABLED ] 
If set to ENABLED, the communication RS232(1) port is redirected to the built-in RS485 converter (IG-
Display connector).  
Hint:
 
Applicable only for DIRECT, MODBUS-DIRECT and ECU LINK modes. 
This converter is not isolated! 
For ports position and description see Installation guide.  
RS485(1) has to be swiched to Disabled when IG-Display (Remote Display) is used. 
RS485(2) conv.    [ DISABLED / ENABLED ] 
If set to ENABLED, the communication RS232(2) port is redirected to the built-in isolated RS485 converter. 
Available only in IS-NT and in IG-xxC versions. 
Hint:
 
Applicable only for DIRECT, MODBUS-DIRECT modes. 
RS232(1)MdmIni   [  ] 
Auxiliary modem initialization string – executed after the default modem initialization string. Used with 
modem connected to the RS232(1) communication port. 
Hint:
 
Applicable only for MODEM(HW), MODEM(SW) and MODBUS-MDM(HW) modes. 
Use for special AT command setting of your modem if default string does not initiate the modem properly. AT 
commands must be separated using semicolon “;”, max. length 31 characters. 
The setpoint can be changed only using PC SW when configuring IG-EE/NT. 
RS232(2)MdmIni   [  ] 
Auxiliary modem initialization string – executed after the default modem initialization string. Used with 
modem connected to the RS232(2) communication port. 
Available only in IS-NT and in IG-xxC versions. 
Hint:
 
Applicable only for MODEM(HW), MODEM(SW) and MODBUS-MDM(HW) modes. 
Use for special AT command setting of your modem if default string does not initiate the modem properly. AT 
commands must be separated using semicolon “;”, max. length 31 characters. 
The setpoint can be changed only using PC SW when configuring IG-EE/NT. 
CAN bus mode    [ 32C / 8C ] 
CAN bus speed selection. 
32C:  High speed CAN (250 kbps) applicable up to 32 controllers, CAN bus length limited up to 200 
meters.