Using XCTU, I am sending test TX Request Frames (0x10)from Coordinator to Router every 5000ms.
WORKS: If I have the Router connected to the PC via USB I can see that the frames are received at the router in XCTU. Connecting the logic analyzer to pin 2 of the Router I can see the frame leaving the serial interface of the Router.
DOES NOT WORK: If I have the Router connected to only 3.3v power; connecting the logic analyzer to pin 2 of the Router, I CAN NOT SEE ANYTHING on TX.
1) I do see pulses on the RSSI pin but nothing on pin 2 or pin 3.
2) The Associate pin shows association.
3) From XCTU on the Coordinator I can discover the Router and change configuration values over the air.
4) From XCTU on the Coordinator I can query the temp and supply voltage on the Router. Supply voltage is right at 3.3v.
Is the Router in some strange mode on power up that disables the serial interface?
XBee S2B connected to PC as API Coordinator (USB)
XBee S2B connected to Logic Analyzer as API Router
.....PIN 1 3.3v
.....PIN 2 Data Out of XBee
.....PIN 3 Data In to XBee
.....PIN 10 Ground/Common
.....PIN RTS is HIGH
.....BD = 4(19200)
.....All other serial settings at default
Logic Analyzer on XBee Router pins 2, 3, 6
Sending test TX Request frames from Coordinator to Router every 5000ms.