Notice Inviting Tender (NIT) by the Central Government And Public Sector Of India for Supply of V21/V 23 E1 Convertor Modem Equivalent To Cygnus 835 For Automatic Changeover Between E1 And Quad Copper Cable Of Bpac Circuits At Stations, Should Convert Itu-T V.21/V.23 Signals To E1 Format, For Onward Transport On A 2.048 Mbps E1 Stream Via A G.703Interface. The Analog Interface Provided On The Unit Is Compatible With Itu-T V.21/V.23 And Allows Transport Of Full-Duplex Voice Band\ Analog Modem Signals. Automatic Changeover To Bypass Copper Circuit: This Automatically Switches Data Traffic Between The Axle Counters To A Bypass Copper Circuit If A The E1 Link Fails, Or B If The Convertor Is Powered Off For Some Reason. Bypass Link Checking: The Bypass Copper Circuit Is Constantly Checked For Availability As Long As The E1 Link Is Up. V.21 Signal Monitoring: Status Of The V.21 Signal Between The Unit And The Connected Axle Counter Should Be Checked Continuously. Potential Free Alarm Relay Contacts: Indications And Alarms For Bypass Link Down, And Loss Of V.21 Signal. Sufficient Relay Contacts To Be Provided For Extending To Datalogger Or For Raising An Alarm Circuit. Event Logging Facility Sms Alert: Manufactured Using Industrial Temperature Grade Components. Registered E1 Port:Interface Type: 4-Wire Balanced 120 Ohm Interface Conforming To G.703 E1 Interface Connector: Rj45 Socket Protection: Gd Tube And Sidactor In Shunt; Polyswitch In Series User Port:Interface Type: 2-Wire Analog Voice Band Interface. 600 Ohm Characteristic Impedance. Transformer Coupled. Copper Bypass Port:Interface Type: 2-Wire Analog Voice Band Interface. 600 Ohm. Transformer Coupled Connector: Screw Type Potential Free Contacts:Functionality: Relay Output 1: E1 Link Down, Power Down. Relay Output 2: E1 Link Down, Bypass Link Down, V.21 Down, E1 Error Rate Exceeds The Programmed Threshold Level Connector: Screw Type. Warranty. Minimum One Year Quote Enclosed .Consignee Inspection. in Palakkad - Kerala has been published.
The last date of this tender is 22/12/2021, work value is  0 (Refer Doc) INR, EMD is  0 (Refer Doc) INR and tender document fees is  0 (Refer Doc) INR
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