How much voltage does the serial port (9 pin) offer?
There are different combinations of jumper assignments on the connectivity bar of the IGEL-M330C Series (IGEL UD3/IZ3):
- The serial ports default setting is Normal Ring.
- +5V / +12V can be supported by setting the jumpers on the POF board:
(3-5) or (5-7)
(4-6) or (6-8)