Product data

53Morningstar Product Connectivity Manual
RSC-1 Status LED
Status LED Indication Notes
Off No bus power or reversed polarity Check bus power and polarity
Green Power OK, No data on network Wiring OK, Ready for data
Green / Red Flicker Data on network Network OK
Orange Reversed A & B data lines Check network wiring
Table 7. RSC-1 Status LED Indicator States
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Ethernet Jack Status LEDs
Condition Green LED Yellow LED
Network Connection OK ON OFF
Network Activity ON Blinking
Error OFF ON
Table 8. Ethernet Jack Status LED Indicator States
Using MOXA MGate Series Ethernet to Serial MODBUS Converters
Some minor adjustments need to be made to the MOXA
TM
MGate
TM
device before it is able to
communicateproperlywithanon-TSMPPT*controller.Modicationtothehandshakelinesneeds
to be as follows:
Pins 4(DTR) and 6(DSR) must be wired together. •
Pins 7(RTS) and 8(CTS) must be wired together.•
In the MOXA•
TM
congurationmanager,enableowcontrolDTR/DSR.
*If using the MGate
TM
with a TSMPPT, no adjustment to the device is necessary.
These changes are most easily made by removing the cover of the MOXA
TM
device and soldering
the pins of the serial port directly. Another way to achieve the same effect is to make a custom
serial cable which introduces the proper connections between the devices.
Using a straight-through serial cable to connect the MOXA
TM
MGate
TM
to the non-TSMPPT unit,
the wiring should be as follows: