On 04/11/07 17:06, [EMAIL PROTECTED] wrote: >>> Cat5 has 4 wire pairs. The GPS needs 5 conductors. >>> So what would be the best setup for minimal interference and optimal >>> performance? Can the wire pairs be of any use? Or doesn't it really matter? >> >> Wire it like this: >> >> Pair 1: Red (+5V) + Black (GND) [the thicker black one] >> Pair 2: White (TX) + Black (GND) >> Pair 3: Green (RX) + Black (GND) >> Pair 4: Yellow (PPS) + Black (GND) > > It doesn't really matter at this data rate, but pairing signal with ground is > generally a good idea. > > But since the wire you're using is not very thick, I'd use BOTH wires in the > first pair for power (red). That will reduce the IR drop along the length > of the wire. That will give you two +5V lines and three GND lines, and > one wire for the other three.
This probably won't work, the noise from +5V line will interfere with the others. -- Simon Arlott
smime.p7s
Description: S/MIME Cryptographic Signature
_______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
