supply installation configuration and integration of ntp (net work time protocol) deivce with existing siemens plc based automated industrial hooter annunciation system with its associated accessories such as:- 1) antenna : 1 no. 2) cable for antenna connectivity : 20 mtrs. 3) poeeth 5 port switch : 1 no. 4) lan cabe : 10 mtrs. 5) 12 v power supply.
