JPS6477348A - Alarm transfer system for digital radio system - Google Patents
Alarm transfer system for digital radio systemInfo
- Publication number
- JPS6477348A JPS6477348A JP62232665A JP23266587A JPS6477348A JP S6477348 A JPS6477348 A JP S6477348A JP 62232665 A JP62232665 A JP 62232665A JP 23266587 A JP23266587 A JP 23266587A JP S6477348 A JPS6477348 A JP S6477348A
- Authority
- JP
- Japan
- Prior art keywords
- alm
- circuit
- data
- generating
- alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
PURPOSE:To allow a basic station to recognize an equipment and a position generating a fault by applying an alarm generating signal to a switching circuit for generating a fault, i.e. an alarm, and allowing the switching circuit to drive a timing generating circuit in a pattern generating circuit. CONSTITUTION:When reception or transmission function becomes abnormal, a subscriber's side radio equipment M2 outputs TR ALM. When processing is disabled, a DWN DATA processing part 13 outputs PM ALM. Said ALM signals are applied to a data switching/alarm processing circuit 17 and an incoming DATA selector 19. When these TR ALM, IN ALM, F ALM, and PM ALM signals are applied, the circuit 17 decides abnormality, outputs a driving signal to a ROM timing generating circuit 20 and turns off a signal applied from a data processing part 16. Thus, the circuit 17 interrupts invalid data outputted from the UP DATA processing part 16 so that the data are not transmitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62232665A JPS6477348A (en) | 1987-09-18 | 1987-09-18 | Alarm transfer system for digital radio system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62232665A JPS6477348A (en) | 1987-09-18 | 1987-09-18 | Alarm transfer system for digital radio system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477348A true JPS6477348A (en) | 1989-03-23 |
Family
ID=16942873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62232665A Pending JPS6477348A (en) | 1987-09-18 | 1987-09-18 | Alarm transfer system for digital radio system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477348A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0447845A (en) * | 1990-06-15 | 1992-02-18 | Nec Corp | Signal transmission system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725743A (en) * | 1980-07-22 | 1982-02-10 | Hitachi Denshi Ltd | Maintenance system of radio telephone system |
JPS5968100A (en) * | 1982-10-12 | 1984-04-17 | 沖電気工業株式会社 | Alarm system for automobile |
JPS6031334A (en) * | 1983-07-29 | 1985-02-18 | Nec Corp | Fault supervisory system of communication system |
-
1987
- 1987-09-18 JP JP62232665A patent/JPS6477348A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725743A (en) * | 1980-07-22 | 1982-02-10 | Hitachi Denshi Ltd | Maintenance system of radio telephone system |
JPS5968100A (en) * | 1982-10-12 | 1984-04-17 | 沖電気工業株式会社 | Alarm system for automobile |
JPS6031334A (en) * | 1983-07-29 | 1985-02-18 | Nec Corp | Fault supervisory system of communication system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0447845A (en) * | 1990-06-15 | 1992-02-18 | Nec Corp | Signal transmission system |
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