Troubleshooting
Other Problems
P1
:
Can’t run the configuration program using a serial cable connection.
S1:
Check that:
•
You did set the configuration switch (no. 2) to the UP position and power cycle the unit.
•
The communication parameters are set properly.
•
Disconnect and reconnect the power supply to the EtherPath.
•
Power is available... a LED is on.
•
The most common problems causing this symptom are incorrect RS-232 wiring or the
Windows Hyperterm program not operating correctly.
P2
:
The “Client” EtherPath doesn’t automatically connect to the “Server” EtherPath.
S2:
Check that:
•
One unit is configured as a client, the other as a server. For troubleshooting, note that the DTR
signal is asserted as soon as a connection is active.
•
The “Client” is configured for automatic connections. “Hardware (DCD Input) Dial” is the
correct setting.
•
The “Client” should either be configured for “DCD Input Control” forced ON or the interface
must be wired in such a way that that DCD Input is asserted.
•
The “Server’s” IP address was correctly entered into the “Client’s” EtherPath in the “Remote
IP Address” field.
•
The Gateway IP Address is set correctly.
•
The Subnet Mask is set correctly.
•
The communication parameters between the PC/terminal and the local (“Client”) EtherPath
match.
•
The communication parameters between the serial port device and the remote (“Server”)
EtherPath match.
P5:
The EtherPath's IP Address is unknown. Is there any way of finding it?
S5:
Follow this procedure:
•
Yes, see the chapter on using
Terminal Configuration
.
•
Use the configuration switch and use a terminal connection to read the existing configuration.
P6:
Why does the "Server Mode" EtherPath close the TCP/IP connnection to the "Client Mode" EtherPath
(or other client program).
S6:
The "Server Mode" EtherPath will disconnect the link if it does not receive any packets from the
"Client Mode" EtherPath (or other client program)
within a 3 minute (configurable) period when using
keepalives or if hardware DCD Input is lowered. See Appendix B for more details. The Keep-Alive
frequency configuration value affects this operation.
P7:
The connection works, but is too slow.
S7:
If in
Transmit timer mode,
lower the transmit timer to send packets more frequently. 20 to 30 msec. is
a good range for many users. If in
Idle timeout mode
perhaps the serial data rate may be increased so
characters arrive at the EtherPath faster.
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