B&B Electronics SPECTRE Technické informace stáhnout pdf (Strana 68)

B&B Electronics, Inc. SPECTRE Configuration Manual

SPECTRE_Configuration_Manual_2912m

www.bb-elec.com

www.bb-europe.com

1.25. USB port configuration

Select the USB Port item in the configuration menu to bring up the USB

configuration page. A USB to RS-232 converter can be used to send data out of the

serial port from the Ethernet network.

Item

Description

Baud rate

Applied communication speed.

Data Bits

Number of data bits.

Parity

Control parity bit

none

even

odd

Stop Bits

Number of stop bit.

Split Timeout

Inter-character Timeout (ms). If no characters are received within this

amount of time, any buffered characters will be sent out of the USB port.

Protocol

Communication protocol:

TCP - communication using a linked protocol TCP

UDP - communication using a unlinked protocol UDP

Mode

Mode of connection:

TCP server - The router will listen to incoming requests regarding

the TCP connection.

TCP client - The router will connect to a TCP server

on the specified IP address and TCP port.

Server

Address

In mode TCP client it is necessary to enter the Server address and final

TCP port.

TCP Port

In both modes of connection it is necessary to specify the TCP port on

which the router will communicate TCP connections.

Table 56: USB port configuration 1

If the Check TCP connection is selected, the router will automatically send TCP

keep-alive messages to verify that the connection is still valid.

Item

Description

Keepalive Time

Time between sending keep-alive packets

Keepalive Interval

Keep-alive Response Tiimeout

Keepalive Probes

Number of attempts before connection is down

Table 57: USB PORT configuration 2

It the option Use CD as indicator of the TCP connection is selected, the router will

activate the DTR output when a TCP connection is active.

Description

Active

TCP connection is on

Nonactive

TCP connection is off

Table 58: CD signal description

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 78 79

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