Thank you so much, just the input I needed. Works like a charm, I have included the output from the serial port, if any one else wonders what to expect. __ __ ____ | \/ |_ _/ ___| ___ _ __ ___ ___ _ __ ___ | |\/| | | | \___ \ / _ \ `_ \/ __|/ _ \| `__/ __| | | | | |_| |___| | __/ | | \__ \ _ | | \__ \ |_| |_|\__, |____/ \___|_| |_|___/\___/|_| |___/ |___/ 2.3.1 16 MCO:BGN:INIT NODE,CP=RSNNA---,REL=255,VER=2.3.1 26 MCO:BGN:BFR before ShuntCtrl to clear EEPROM presss c now: 321 4156 TSM:INIT 4157 TSF:WUR:MS=1000 4159 TSM:INIT:TSP OK 4161 TSM:INIT:STATID=123 4163 TSF:SID:OK,ID=123 4165 TSM:FPAR 4184 TSF:MSG:SEND,123-123-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK: 5159 MCO:BGN:STP setup 5161 !TSF:SND:TNR 6164 !TSF:SND:TNR 6192 !TSM:FPAR:NO REPLY 6194 TSM:FPAR 6211 TSF:MSG:SEND,123-123-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK: 7165 MCO:BGN:INIT OK,TSP=0 8288 !MCO:SND:NODE NOT REG 8372 !MCO:SND:NODE NOT REG 8455 !MCO:SND:NODE NOT REG 8539 !MCO:SND:NODE NOT REG [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] 8636 !TSM:FPAR:NO REPLY 8638 TSM:FPAR 8656 TSF:MSG:SEND,123-123-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK: [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] 11094 !TSM:FPAR:NO REPLY 11096 TSM:FPAR 11114 TSF:MSG:SEND,123-123-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK: [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] 13550 !TSM:FPAR:FAIL 13552 TSM:FAIL:CNT=1 13554 TSM:FAIL:DIS 13556 TSF:TDI:TSL [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] [ %0PH 18.8 Vejr 18.7 ] [ %16PC 18.6 ->25 18.4 ] 23558 TSM:FAIL:RE-INIT 23560 TSM:INIT 23561 TSM:INIT:TSP OK 23563 TSM:INIT:STATID=123 23565 TSF:SID:OK,ID=123