Cambium Networks cnReach N500 Handleiding (253 Pagina's)

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cnReach N500 User Guide System Configuration

phn-4980_001v004 August 2019)

2-41

TCP Terminal Client

When set to TCP Terminal Client, activity on the Serial Port interface will initiate a TCP session to a

Host or Terminal Server specified by the Remote IP address and Remote Port number in the

configuration.

Data arriving on the Serial Port will be packetized and sent to the destination IP address and TCP port.

The session will end if the Network Idle Timeout is reached without any activity on the Serial Port

interface.

Serial Timeout Trigger is the timeout for when data is sent to the network after the start of serial data

(in non-message modes).

Serial Input Trigger defines the amount of data, in Bytes, that will be held in the buffer before being

packetized and sent over the network. For example, if set to 1024, the radio sends the message after

receiving 1024 characters. The default is 1024.

Message Mode should be used with Modbus, DNP3 or other message oriented protocol.

• Message Mode should be used with Modbus or other message oriented Protocol. When set to

Message Mode, the radio waits for a pause in the Serial Data being received on the Serial Port from

the End Device, i.e. the radio waits for the End Device to finish communicating the message before

transmitting the message as a whole. If a pause is not received after 1024bytes, the radio just sends

out the 1024 bytes. If the message cannot be transmitted as a whole, the radio will break it up

between transmissions and the Master will reassemble upon demodulation.

• Message mode disables Serial Input trigger and Serial timeout trigger

• Example use of message mode:

– Modbus RTU to Modbus TCP

– Serial DNP3 to Terminal TCP client

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