Northern Railway

Northern Railway has published Supply Of Annuniciator Multiway Telephone Exchange 10 Lines With Wooden Box: Specification ( A ) General ( I ) No Of Extension 5 / 10 ( Ii ) Minimum No Of Extension In Conference- 3 ( Iii ) Power Supply Requirement 12V Dc, 1A ( B ) Speech - Send Output @ 5Mv More Than 774 Mv, Side Tone Suppression @5Mv Less Than 100Mv, Receive Output @ 193 Mv More Than 100 Mv ( C ) Calling System - Output Voltage In Open Condition More Than 80V Ac, Output Voltage Under Load Condition More Than 28V Ac, Frequency @ 25 Hz. Or With Better Specification, Suitable For Hand Generator Type Magneto Telephone As Per Rdso Specification No Irs:Tc-36 / 97. [ Warranty Period: 30 Months After The Date Of Delivery ] . Last date of submission for this tender is 2023-03-10. This is a Telephone Exchange tender in Lucknow, Uttar Pradesh