MTNL Leased Line Information
A leased circuit is a dedicated link provided between two fixed locations for exclusive use by the customer. A leased circuit may be a speech circuit, a data circuit or a telegraph circuit.
MTNL provides different types of leased circuits
Local or Long distance circuits within two locations in a city or between two different cities provided for the same applicant. The Terminating equipment at both ends is telephone without dialling facility. Both way signalling and speech is possible.
Data Services :
Local or Long distance data circuits at different speeds viz. 64 Kbps,nx64 kbps ,2 mbps. and above. Data Circuits are of different types:
Point to Point Data Circuits : Local and Long Distance
Private Data Network : More than one Local or Long Distance leased circuits converging on a location such that data from one leased circuit can be transferred automatically to another leased circuit for the same subscriber.
Closed User Group : Leased circuits can be used by more than one legal entity if they form closed user group. The following categories of user groups constitute closed user groups for the purpose of licensing Private Telecom Networks.
Telegraph & Teleprinter Circuits: Local and Long distance Telegraph and Tele-printer Circuits.
International Leased Circuits: Provided through VSNL
Internet Leased lines:
Dedicated Leased line from Customer's premises to the MTNL Internet Node.
Re: MTNL Leased Line Information
Dedicated Data Circuits
# Useful for those data users who have to transmit considerable volume of data between two fixed terminals located in the same city or different cities. It may be facsimile transmission data on computer cct. Data services on PSTN: Can be availed from any telephone connection. The arrangement requires a data circuit termination equipment interface such as PSTN- Modem to provide normal telephone conversation & when need for a change over to do working.
Dedicated Data Network
More than one leased circuit converge to a central location from where the data from one leased circuit can be automatically transmitted to another leased circuit for the same subscriber. The main hirer can obtain Inter-connection with the approved subsidiary user's who have common interest with him.
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