IEEE Std 1390-1995: IEEE Standard for Utility Telemetry by IEEE

By IEEE

This ordinary describes a software telemetry companies structure operated over the phone community. The structure defined is a simple delivery structure in a position to aiding many various purposes. The structure presents utilities a facility that's on hand, has brief arrange occasions and allows computerized meter studying utilizing the functions of the switched cell community.

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Extra info for IEEE Std 1390-1995: IEEE Standard for Utility Telemetry Service Architecture for Switched Telephone Network

Sample text

2. The TIU and telephone network (COSU) shall become inactive upon loss of carrier or signal level. 1 Disconnect initiated by the utility controller The utility controller shall initiate this disconnect by informing the telephone network (COSU) to disconnect the telemetry call. 2. 2 Disconnect initiated by the telephone network (COSU or switch) The telephone network (COSU) may receive a disconnect request from the utility controller, the TIU (message or drop of carrier), or generate the disconnect itself based on internal information.

2 Disconnect initiated by the telephone network (COSU or switch) The telephone network (COSU) may receive a disconnect request from the utility controller, the TIU (message or drop of carrier), or generate the disconnect itself based on internal information. The telephone network (COSU) initiates this disconnect by informing the telephone network (switch) to disconnect the call. The telephone network (switch) shall initiate this disconnect by transmitting a forward disconnect (open) of approximately 800 ms duration to the TIU, which shall become inactive.

B2] Bell Atlantic, TR 72015, Bell Atlantic Automatic Meter Reading Service Interface SpeciÞcation, July 1986. [B3] Bellcore, TR 00057, issue 2, Jan. 1993. [B4] BellSouth, TR 73547, Automatic Meter Reading Services Network Interface SpeciÞcation, May 1990. [B5] FCC Rules and Regulations, ÒRules for Registration of Telephone Equipment,Ó Part 68. [B6] ÒLATA Switching Systems Generic Requirements (LSSGR),Ó Bell Communications Research (Bellcore). [B7] NYNEX, NTR-74310, Meter Reading Access Arrangement, July 1985.

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