Northern Railway-NR has published Supply Of Annuniciator Multiway Telephone Exchange 5 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. Submission Date for this Tender is 02-11-2021. Telephone Exchange Tenders in Uttar Pradesh. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Annuniciator Multiway Telephone Exchange 5 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, Frequency @ 25 Hz. or with better specification, suitable for hand generator type magneto telephone as per RDSO Specification No IRS:TC-36/97. |
2 | Annuniciator Multiway Telephone Exchange 5 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, Frequency @ 25 Hz. or with better specification, suitable for hand generator type magneto telephone as per RDSO Specification No IRS:TC-36/97. |
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