annual maintenance of wide area network equipments of public works department installed at 04 ( four ) different locations throughout the state of west bengal: 01 ( one ) year [ job no: kit / rw / 129 of 23-24 ] -1 all inclusive on-site annual maintenance of cisco managed switch 2960 with all accessories, qty: 6 no 2 all inclusive on-site annual maintenance of cisco 1841 modular edge router with wic2t card and all accessories, qty: 1 set 3 all inclusive on-site annual maintenance of leased line mordem with all accessories, qty: 01 pair 4 all inclusive on-site annual maintenance of 600 va / 1.2kva line inturrepted ups with snmp card and accessories, including battery replacement when needed, qty: 6 no. 5 all inclusive on-site annual maintenance of lan cabling with utp & ofc connectivity and unmanaged switchs and other accessories, io with mounting box: qty: 25 no, fiber patch cord: qty: 6 no, cat6 patch cord: qty: 25 no. 6 all inclusive on-site annual maintenance of desktop computer with all accessories, qty: 6 set 7 all inclusive on-site annual maintenance of equipment rack & ups rack including dressing & cleaning network rack of writers building and n.s. building qty: 1 job 8 all inclusive on-site annual maintenance of 1 g sfp module make: ciscomodel : glc-sx-mmd / juniper, qty: 8 nos. 9 one time supply of 01 kva online ups ( 1-ph input, 1-ph output ) system with 168 ah ( min ) inbuilt battery back-up, rack, links, cables & other accessories. technology: digital signal processing ( dsp ) controlled microprocessor based technology true on-line, hot-standby mode, parallel redundant mode or load sharing mode ( 1+1 ) configuration enabled; input: 1-phase, 220 / 230 / 240v, 176 ~ 280 vac ( full load ) ; 80 ~ 175 vac ( 50% ~ 100% load ) , >0.90pf ( full load ) , 50hz ± 5hz, current harmonic distortion <3.0%; output: 1-phase, 220 / 230v / 240v ± 1%, > 0.80pf ( full load ) , 50 hz ± 0.1hz; harmonic distortion ( input current ) : < 3% ( linear load ) ; crest factor: 3:1; efficiency ( ac / dc ) overall is ( online mode ) >=90% at full load; operating temperature: 0 ~ 55°c; relative humidity: 5 ~ 95% ( non-condensing ) ; battery: smf, 12 v, mono block batteries. the ups battery shall be of advanced glass mat valve regulated sealed lead acid battery construction type ( agm or vrslab ) in abs flame retardant ( ul94v-o ) grade ( ul 2436 ) spill containment casing to meet ul 62368-1 / iec 62133 or equivalent standards type to obtain a full rated load battery backup, standard fr dc cable; battery set: complete with self standing cubicle or cabinet; certification: ce, bis; type test report: iso 9001, iso14001, oshas18001; display: lcd display and led indicators; separate battery bank with accessoried. necessary earthing arrangement, cable, etc. 01 kva 1ø / 1ø ( phase input / output ) with 168 vah ( min ) battery backup or equivalent vah or higher, dc busbar voltage ±24 / ±240; 12v smf battery, with ms-rack, interlink nyvin cable, connector, special battery terminal insulation cover and other accessories. make: apc, delta, eaton, numeric, orion; make battery: amararaja-quanta / exide, model: tower mount. warranty: 01 ( one ) year onsite warranty with battery, parts and service except force majeure.