procurement of network switch, firewall and optical fibre cable procurement of network switch, firewall and optical fibre cable , list of item ( s ) / work ( s ) as per tender documents , 24 port switch -specification attached as annexure-i , firewall, as per specification attached in annexure-ii , 24 core fibre single mode, armoured, multitube ( 6 tubes of different colors, 4 cores in each tube ) , gel filled cable complying to iso / iec 11801, en50173, ansi / tia 568-c.3, telcordia gr- 409; suitable for use in indoor / outdoor ducts, direct burial and backbone cabling. details are attached in annexure-iii , 409; suitable for use in indoor / outdoor ducts, , direct burial and backbone cabling. , details are attached in annexure-iii