LOOPED DATA TRANSMISSION SYSTEM

LOOPED DATA TRANSMISSION SYSTEM

PURPOSE:To set freely the structure of one multi-frame in the looped data transmission system. CONSTITUTION:A one-multi-frame consists of 20 STM-1 frames F(1)-F(20). rows (1-9) and time slots (1-9) of the STM-1 frame are an SOH (section overhead) and a virtual C4 is set to the rows (1-9) and time sl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ITSUGAYA KINJI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
SELECTING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:PURPOSE:To set freely the structure of one multi-frame in the looped data transmission system. CONSTITUTION:A one-multi-frame consists of 20 STM-1 frames F(1)-F(20). rows (1-9) and time slots (1-9) of the STM-1 frame are an SOH (section overhead) and a virtual C4 is set to the rows (1-9) and time slots (11-270) of the STM-1 frame. A prescribed time slot in the virtual C4 is used for a multi-frame synchronization pattern and time slots of an optional number are used for a house keeping channel and the remaining time slots are used for a service channel.