supply of supply of 3 layer optical compliance core aggregation switching device, desktop impres2 multi unit fast charger,utp cat 6 cable------etcsupply of 3 layer optical compliance core aggregation switching device, desktop impres2 multi unit fast charger,utp cat 6 cable------etc,supply of lead acid battery capacity 6 volt/4.5 ah used for magneto telephone. make: exi de/ amptek/similar [ warranty period: 6 months after the date of delivery ] ] , line interactive ups 600va, battery: 12v/7ah smf-vrla confirming to jisc-8702 pt. 1, 2 & 3. i p-21 protection. make: apc/similar [ warranty period: 30 months after the date of delivery ] ] , 2mb modem having (v.35 + g.703) operating with ac & -48dc. make: rotek/raid/atrie/si milar. [ warranty period: 30 months after the date of delivery ] ] , supply of desktop impres2 multi unit fast charger or similar simultaneously charge six batte ries separately or along with radio for model xir p6600i. specification of desktop impres2 multi unit fast c harger as per annexure - a make: motorola/similar. [ warranty period: 30 months after the date of deliv ery ] ] , 3 layer optical compliance core aggregation switching device 32 port (optical & ethernet port ) as per technical specification of annexure - b make: zyxel/similar [ warranty period: 30 months after the date of delivery ] ] , utp cat 6 cable make: d-link/similar [ warranty period: 30 months after the date of de livery ] ] => limited