Try this and see what happens;
Code:
@ DEVICE MCLR_OFF, HS_OSC, WDT_OFF, LVP_OFF, BOD_OFF, PWRT_ON

DEFINE OSC 10

CMCON = 7

Pause 2000

start:

SerOut2 PORTA.3, 17197,["N1200"]
Pause 2000
SerOut2 PORTA.3, 16780,["N2400"]
Pause 2000
SerOut2 PORTA.3, 16468,["N9600"]
Pause 2000
SerOut2 PORTA.3, 16416,["N19200"]
Pause 2000

SerOut2 PORTA.3, 813,["T1200"]
Pause 2000
SerOut2 PORTA.3, 396,["T2400"]
Pause 2000
SerOut2 PORTA.3, 84,["T9600"]
Pause 2000
SerOut2 PORTA.3, 32,["T19200"]
Pause 2000

GoTo start
End
Do any of these print as expected?

Try using a different port pin and see what happens.