Modbus Interface
– Modbus TCP (Transmission Control Protocol) is the Modbus RTU
protocol with a TCP interface that runs on Ethernet. Monnit provides the Modbus TCP
interface for you to pull gateway and sensor data. You can use Modbus without the server
interface active. The data will not be sent to a server, but you can continue to poll for new
data as it is received by the gateway.
SNTP Interface
– SNTP is a synchornized computer clock on a network. An SNTP server
can be set up on the same LAN as the gateway, such as on a router or a Linux computer.
The gateway should be configured to retrieve time from only trusted servers, such as ones
maintained by your ISP. Incorrect time can
affect the delivery of sensor traffic.
If the Monnit Server is active, it will be
utilized for time synchronization in ordinary
operation. So SNTP will be used as a
backup If you disable the default server
interface, you must configure the SNTP
Interface.
HTTP Interface
– The HTTP Interface allows you to set how long you wish the local interface
to be active before being automatically disabled. For increased Security, your choices are
to have the local HTTP interface disabled after 1 minute, 5 minutes, 30 minutes, or always
active. See the next section for more on the local interface.
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