Try 'WISP VERBOSE LOG X GO ...', this will show a lot of logging which is also written to file X. This might give a clue where the communication goes wrong. OK, that gave the following output : 23:03:08.74 (00188740) init port 01 at 03F8 baudrate 19200 start 23:03:08.74 (00188740) init port end 23:03:09.17 (00189170) line break start 23:03:09.50 (00189500) line break end 23:03:09.50 (00189500) wake up device 0000 23:03:09.50 (00189500) send [0] 30 23:03:09.61 (00189610) send [0] 30 23:03:09.72 (00189720) send [0] 30 23:03:09.83 (00189830) send [0] 30 23:03:09.94 (00189940) send [h] 68 23:03:10.05 (00190050) send [0] 30 23:03:10.16 (00190160) send [0] 30 23:03:10.27 (00190270) send [0] 30 23:03:10.38 (00190380) send [0] 30 23:03:10.49 (00190490) clear receive 23:03:10.60 (00190600) receive [0] 30 23:03:10.71 (00190710) clear receive end 23:03:10.71 (00190710) send [v] 76 23:03:10.82 (00190820) clear receive 23:03:10.93 (00190930) receive [V] 56 23:03:11.04 (00191040) clear receive end 23:03:11.04 (00191040) start waitsendchar 23:03:11.04 (00191040) fast clear receive 23:03:11.04 (00191040) clear receive end 23:03:11.04 (00191040) send [q] 71 23:03:11.04 (00191040) sending done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [Q] 51 23:03:11.04 (00191040) receiving done 23:03:11.04 (00191040) fast clear receive 23:03:11.04 (00191040) clear receive end 23:03:11.04 (00191040) send 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [1] 31 23:03:11.04 (00191040) done 23:03:11.04 (00191040) send 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [.] 2E 23:03:11.04 (00191040) done 23:03:11.04 (00191040) send 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [0] 30 23:03:11.04 (00191040) done 23:03:11.04 (00191040) send 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [0] 30 23:03:11.04 (00191040) done 23:03:11.04 (00191040) device request 0000 response 1.00 23:03:11.04 (00191040) start waitsendchar 23:03:11.04 (00191040) fast clear receive 23:03:11.04 (00191040) clear receive end 23:03:11.04 (00191040) send [t] 74 23:03:11.04 (00191040) sending done 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [T] 54 23:03:11.04 (00191040) receiving done 23:03:11.04 (00191040) fast clear receive 23:03:11.04 (00191040) clear receive end 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive hex [20] 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [W] 57 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [i] 69 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [s] 73 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [p] 70 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.04 (00191040) receive [6] 36 23:03:11.04 (00191040) send [n] 6E 23:03:11.04 (00191040) wait for char 23:03:11.10 (00191100) receive [2] 32 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [8] 38 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive hex [20] 23:03:11.10 (00191100) start waitsendchar 23:03:11.10 (00191100) fast clear receive 23:03:11.10 (00191100) clear receive end 23:03:11.10 (00191100) send [v] 76 23:03:11.10 (00191100) sending done 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [V] 56 23:03:11.10 (00191100) receiving done 23:03:11.10 (00191100) fast clear receive 23:03:11.10 (00191100) clear receive end 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive hex [20] 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [1] 31 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [.] 2E 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [0] 30 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [0] 30 23:03:11.10 (00191100) send [n] 6E 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive hex [20] 23:03:11.10 (00191100) start waitsendchar 23:03:11.10 (00191100) fast clear receive 23:03:11.10 (00191100) clear receive end 23:03:11.10 (00191100) send [0] 30 23:03:11.10 (00191100) sending done 23:03:11.10 (00191100) wait for char 23:03:11.10 (00191100) receive [0] 30 23:03:11.10 (00191100) receiving done 23:03:11.10 (00191100) start waitsendchar 23:03:11.10 (00191100) fast clear receive 23:03:11.10 (00191100) clear receive end 23:03:11.10 (00191100) send [0] 30 23:03:11.10 (00191100) sending done 23:03:11.10 (00191100) wait for char 23:03:11.15 (00191150) receive [0] 30 23:03:11.15 (00191150) receiving done 23:03:11.15 (00191150) start waitsendchar 23:03:11.15 (00191150) fast clear receive 23:03:11.15 (00191150) clear receive end 23:03:11.15 (00191150) send [f] 66 23:03:11.15 (00191150) sending done 23:03:11.15 (00191150) wait for char 23:03:11.15 (00191150) receive [F] 46 23:03:11.15 (00191150) receiving done 23:03:11.15 (00191150) start waitsendchar 23:03:11.15 (00191150) fast clear receive 23:03:11.15 (00191150) clear receive end 23:03:11.15 (00191150) send [x] 78 23:03:11.15 (00191150) sending done 23:03:11.15 (00191150) wait for char 23:03:12.20 (00192200) fatal: communication timeout on receive : check the power and the serial line to the WISP hardware and retry Jan-Erik Svderholm S:t Anna Data tel : +46 121 42161 mob : +46 70 5241690 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu