NL10128B-100FGFC

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The NL10128B-100FGFC is a type of data communication converter from network service provider NEC. It is used to convert between asynchronous asynchronous TTL level and HDLC protocol frames. It is widely used to manage communication between different nodes on a local area network (LAN) or wide area network (WAN).

The general application field of the NL10128B-100FGFC is in telecommunications and data communications. It can be used to handle call processing, network control, circuit switching, frame relay, and other data applications. The NL10128B-100FGFC is also used for sending and receiving data, transmitting Voice over Internet Protocol (VoIP) calls, and managing video traffic.

The working principle involves the transfer of data packets between two hardware devices. The device has an HDLC (High-level Data Link Control) protocol for communications and it utilizes a CRC (cyclic redundancy check) algorithms to ensure the accuracy of the data packet transfer. In order to convert the asynchronous TTL level to the required HDLC protocol, the NL10128B-100FGFC implements an HDLC encoder and CRC generator . This encoder processes the TTL level input into an HDLC frame which is sent to the receiving device. The CRC generator generates a CRC code for the HDLC frame which is later used for error checking purposes by the receiving device.

The device also includes a 16-port multiplexer which can accept up to 16 separate TTL sources and multiplex them into a single HDLC source. The multiplexer is also used for buffering data which allows longer data packets to be sent without the risk of exceeding the data buffer errors. The multiplexer also has the ability to detect errors in the TTL source data and generate an error signal if errors occur.

The NL10128B-100FGFC also includes a counter circuit for balancing the number of frames sent and received. This circuit ensures that the sender and receiver are both sending and receiving frames of the same size. The counter also helps in detecting any errors in the data packets.

In order to manage the data packets, the device has an HDLC controller which interfaces with the HDLC encoder and CRC generator. The HDLC controller organizes the data frames and transmits them in a proper sequence. This ensures that the data is transferred correctly and without any errors.

Finally, the device has a control and status register which keeps track of the device\'s status. This allows the device to keep track of the data transfer and to alert the user if there are any problems. It also provides the user with detailed status information about the data transfer, such as the number of frames sent, the number of frames received, and the type of protocol used.

The NL10128B-100FGFC is a very reliable device which has been widely used in the telecommunications and data communications industry. It is popular because of its ability to convert asynchronous TTL to HDLC and back, and for providing robust error checking and data management. It is a very useful device for managing data communication over local and wide area networks.

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