AT293491B -
Circuit arrangement for testing the devices involved in a connection and in its establishment in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
- Google Patents
Circuit arrangement for testing the devices involved in a connection and in its establishment in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
Info
Publication number
AT293491B
AT293491BAT392569AAT392569AAT293491BAT 293491 BAT293491 BAT 293491BAT 392569 AAT392569 AAT 392569AAT 392569 AAT392569 AAT 392569AAT 293491 BAT293491 BAT 293491B
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19681762179external-prioritypatent/DE1762179A1/en
Priority claimed from DE19681762180external-prioritypatent/DE1762180B2/en
Priority claimed from DE19681762196external-prioritypatent/DE1762196B2/en
Application filed by Siemens AgfiledCriticalSiemens Ag
Application grantedgrantedCritical
Publication of AT293491BpublicationCriticalpatent/AT293491B/en
H04Q1/00—Details of selecting apparatus or arrangements
H04Q1/18—Electrical details
H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
H04Q1/22—Automatic arrangements
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Monitoring And Testing Of Exchanges
(AREA)
AT392569A1968-04-251969-04-23
Circuit arrangement for testing the devices involved in a connection and in its establishment in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
AT293491B
(en)
Circuit arrangement for centrally controlled telecommunication systems, especially telephone exchanges, in which, for special purposes, e.g. to set up specific test connections, free dialing is replaced by forced dialing
Circuit arrangement for establishing test connections for testing the devices involved in their construction in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
Circuit arrangement for centrally controlled telecommunications, especially telephone exchanges, in which for special purposes, e.g. B. to check whether the free choice is replaced by a forced choice
Circuit arrangement for testing the devices involved in a connection and in its establishment in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
Circuit arrangement for testing the devices involved in a connection and in its establishment in telecommunication systems, in particular telephone switching systems, centrally controlled by markers and registers
Circuit arrangement for the central monitoring of timing circuits of several functional units in telecommunication systems, in particular telephone switching systems
Circuit arrangement for catching a connection in telecommunication systems, in particular telephone switching systems, with centralized control devices
Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, with control devices constructed in the manner of a cross field
Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with switching switching devices designed for two-wire through-connections