bids are invited for digital clock - digital clock 4 inch or 100 mm with ntp sync with ethernet and rs 485 input , stand alone digital clock - stand alone digital clock 4 inch or 100 mm with gps antenna , ntp server - ntp server with redundant gps antenna and redundant power supply. , network switch - 8 port ethernet switch non manageable, desk mount. , cat6 utp cable - cat6 cable including laying , power cable - 3 core 1.5sqmm power cable including laying , casing and capping or pvc pipe - 1 inch casing and capping or pvc pipe for outdoor use as per site requirement , 5 amps socket - 5 amps socket with switch and box and plug top , itc at coimbatore international airport - installation, testing and commissioning charges total quantity : 1646