South Eastern Railways

South Eastern Railways has published Supply Of modem e1-rs232 , supply of modem e1-rs232 of deltron make universal fail safe block interface (ufsbi) equip ment as per irs:s-104/2012, ver 0 or rdso spec. no. irs:s-105/2012, ver. 0 with latest amendments, suit able with existing installations of ranchi division. make-m/s deltron equipment and systems pvt. ltd.- kolkata. note# 1) item must be compatible with existing deltron make ufsbi system to work on backup media ofc (via unframed e1-2 mbps from stm interface) working voltage 24 vdc (+/- 20%), & operating temperature:- 10 deg. c to +70 deg. c. make-deltron [ warranty period: 30 months after the date of d elivery ] ]. Last date of submission for this tender is 2026-06-18. This is a Modems tender in Ranchi, Jharkhand