Specifications
i50 Manual (5.10) 
Page 47 
© 2015 Datalink Systems, Inc. 
www.datalinksystemsinc.com 
Where the parameters are: 
<MsgID>  Message ID (0-16777215) 
<UserID>  User ID if addressed to a single DataHost/WebGate user. Not currently implemented, 
and must be left blank or set to zero 
<Subject>  Email subject if message is an email 
<Address>  Email address if message is an email 
<Message>  Message body 
<FileData>  See section 11.3 
<Error>  “0”=Unknown command, “1”=No ID, “2”=Invalid ID, “3”=Unknown ID, “4”=Wrong 
network for file transfer, “5”=File data too long 
<Net>  “0”=None, “1”=MSAT, “3”=Radio, “11”=Cellular, “12”=Globalstar, “14”=Iridium 
<AlertState> “0”=Off, “3”=Cancelled, “5”=Active but silenced, “6”=Active 
<AlertResp> “0” or “1”=Not acknowledged, “5”=ACK received 
<RX>  “0”=Receiver Idle, “1”=Receiving data 
<TX>  “0”=Transmitter Idle, “1”=Transmitting data 
<Packets>  Number of packets waiting to be sent 
<Valid>  “0”=No GPS data available, “1”=GPS Valid 
<FixTime>  Time of last GPS fix (sec since 12:00 am Dec 31, 1989 UTC) 
<Fix>  “0”=No GPS signal, “1”=GPS OK 
<Lat>  Latitude (degrees * 100000) 
<Lon>  Longitude (degrees * 100000) 
<Heading>  Heading (degrees) 
<Speed>  Speed (knots) 
<Alt>  Altitude (metres) 
<Sats>  Number of satellites visible 
<HDOP>  Horizontal accuracy 
<Short>  “0”=GPS antenna OK, “1”=GPS antenna short circuit 
<SpdValid>  “0”=Speed information invalid, “1”=Speed reading valid 
<Motion>  “0”=Device stationary, “1”=Device moving, “255”=Unknown 
<IGN>  “0”=IGN off, “1”=IGN on 
<In1>  “0”=Input 1 low, “1”=Input 1 high 
<In2>  “0”=Input 2 low, “1”=Input 1 high 
<In3>  “0”=Input 3 low, “1”=Input 1 high  
<In4>  “0”=Input 4 low, “1”=Input 1 high  
<In5>  “0”=ADC 1 low, “1”=ADC 1 high  
<In6>  “0”=ADC 1 low, “1”=ADC 2 high  
<Out1>  “0”=Output 1 low, “1”=Output 1 high  
<Out2>  “0”=Output 2 low, “1”=Output 2 high  
<Out3>  “0”=Output 3 low, “1”=Output 3 high 
<Out4>  “0”=Output 4 low, “1”=Output 4 high  
<VOUT>  “0”=VOUT off, “1”=VOUT on 
<Temp>  Internal temperature (degrees C * 100) 
<ADC1>  ADC 1 voltage (volts * 100) 
<ADC2>  ADC 2 voltage (volts * 100) 
<Battery>  Battery voltage (volts * 100) 










