Network telegraph adapter is designed for use as a device that provides the ability to connect PCs to telegraph lines of communication via the data transmission network (DTN).
CTA is a telegraph bridge between telegraph communication networks and SPD ("Ethernet extender" of telegraph communication line).
The CTA provides:
- possibility to connect one telegraph communication line (C1-TG junction);
- restoration of distorted received signals;
- galvanic isolation of the receiver and transmitter circuits;
- overvoltage protection of the receiver and transmitter input circuits;
- automatic indication of reception and transmission of information, emergency situations: open circuit, short circuit, counter switching on.
The CTA is an independent network device (it has its own, customisable IP-address).
The list of users (IP-addresses of PCs and passwords for communication) is entered into the adapter ROM before the start of operation.
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