bids are invited for provision of annual maintenance contract for cctv camera system installed at hq ce rnd delhi - provision of annual maintenance contract for cctv camera system installed at hq ce rnd delhi as per the detailed terms and conditions attached as additional document. , annual maintenance contract for epabx system alongwith main distribution frames, cables, accessories and power - annual maintenance contract for epabx system alongwith main distribution frames, cables, accessories and power supply as under:- ( a ) 80 ports hybrid key telephone system, make: crystal, qty-01 ( one ) . ( b ) ups 1000 va, make: uniline, qty-01 ( one ) . ( c ) caller id and speaker phone set m-563, make: beetel, qty-48 ( forty eight ) . , upgrading epbax ( intercom ) distribution box of hq ce r&d delhi office premises - installation and commissioning-50 / 30 pair mdf box metal body. shape- square, number of ways- 4 way, box material mdf finish- powder coated, mounted- wall mounted. krone module telephone junction box. material-abs, country of origin- made in india. pvc gang box. material- pvc, colour- white, thickness- 2.5mm, module size-1 module, country of origin- made in india. single module plate. module size- 1 module, colour- white, shape- square, installation type- screw fitting, telephone rj 11 jack single. telephone rj 11 jack single shutter 20857 ( white ) , connector type- usb, material- plastic. telephone cable 2 pair, 4 core full copper. product category- pvc unarm, tel wire no of pairs- 2 pair, conductor material- copper, colour- grey, size of conductor- 0.4 sq mm, nom- insulation thickness 0.122 mm. telephone phone lead rj 11. telephone modem line cable, connnector type- rj 11, colour- black, gender- male to male. telephone cable 20 pair solid copper. country origin- india, conductor type- solid coper wire diameter 0.4 mm / 0.5 mm. colour- gray, use application- telephone. pvc conduit pipe or pvc batten with fitting. pvc conduit pipe or pvc batten- 20 mm, isi mark. total quantity : 1