System information

B&B Electronics, Inc. SPECTRE Configuration Manual
65
SPECTRE_Configuration_Manual_2912m
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1.24. Expansion port configuration
You may send and receive data from a serial port on Auxiliary Port 1 or 2 using UDP
or TCP protocol on the Ethernet network.
Item
Description
Baud rate
Communication speed.
Data Bits
Number of data bits.
Parity
Control parity bit
none
even
odd
Stop Bits
Number of stop bits.
Split Timeout
Inter-character Timeout. If no characters are received within this amount
of time, any buffered characters will be sent over the Ethernet port.
Protocol
Protocol:
TCP
UDP
Mode
Mode of connection:
TCP server - The router will listen for incoming TCP connection
requests.
TCP client - The router will connect to a TCP server
on the specified IP address and TCP port.
Server
Address
When set to TCP client above, it is necessary to enter the Server
address and TCP port.
TCP Port
The TCP port for connections.
Table 52: Expansion 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 53: TCP Keep-Alive Configuration
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.
CD
Description
Active
TCP connection is on
Nonactive
TCP connection is off
Table 54: CD signal description