RE: Help needed with USB GPS device

[Gavin Davenport]

https://www.jetwayusa.com/dl/manual/G03-NF9H-F.pdf
and
https://www.ebay.com/itm/394928346661


>> Use 2" wires, wrap the GNSS in bubble wrap, and leave it in the case.
I have no idea which pins to connect

9 pin serial pinouts
1- DCD
2- SIN
3- SOUT
4- DTR
5- GND
6- DSR
7- RTS
8- CTS
9- RI

GNSS board has 5 pins
1- PPS
2- RXD
3- TXD
4- GND
5- VCC

So....I can probably work out GND but I'm lost from thereon 😊