RS232 /dev/ttyACM0 and serial GPS

I have a BN-880q gps module that requires ttl/RS232. I am attempting to use gpsd in linux. the pinout is as such

BN-880Q GPS integrated module

Pins of the module:
1. SDA.
2. GND, ground.
3. TX, the data output of the module.
4. RX, the data input of the module.
5. VCC, 3.0V--5.5V.
6. SCL.

I have all pins connected as require but not being able to recieve and GPS data. I have several gps unit here and all give me the same issue. can someone assist me on this