5-8
TROUBLESHOOTING ORBAN MODEL 8685
A) You may have the wrong interface type set on your 8685. L
OCATE to SETUP >
NETWORK & REMOTE > NETWORK > SERIAL INTERFACE TYPE and check the interface
setting. See Connecting to the 8685’s Ethernet Port or RS-232 Port Using
TCP/IP on page 2-52.
B) If you are connecting via Direct
Serial Connection or modem, review the
Properties you have set on that connection. Double-check to ensure that you
have set Windows parameters as described in Appendix: Setting Up Serial
Communications on page 2- 67.
• If your Direct Connect does not work:
A) Check to make sure that the cables are connected properly.
B) Check that you are using a null modem cable.
C) Ensure that the null modem cable is connected to the 8685’s serial connector.
• If your Modem Connect does not work:
A) Ensure that the modem cables and phone lines are connected properly.
B) Check that you have entered the correct phone number for connection.
C) Check that you have entered the passcode correctly on the 8685 and
the pass-
code has been entered correctly on your PC.
D) Ensure that you enabled the correct PC modem port settings.
E) Ensure that the external modem attached to your 8685 is set to A
UTO ANSWER.
F) Make sure that the only “Allowed Network Protocol” is TCP/IP. “NetBUI” and
“IPX > SPX Compatible” must not be checked.
• If you cannot connect to your computer through a crossover Ethernet cable:
You must set your Windows networking to provide a static IP address for
your computer because your Optimod does not contain a DHCP server.
You Cannot Access the Internet After
Making a Direct or Modem Connection to the 8685:
If you are connected to the 8685 via modem or direct connect, you cannot access
any other TCP/IP connection. The PPP connection becomes the default protocol
and the default gateway defaults to the 8685 unit’s IP address. This means that
all existing network connections point to the 8685 unit. To correct this:
A) In Start > Settings > Network and Dialup Connections, open the direct or mo-
dem connection you are using to connect to 8685.
B) Select “Properties.”
C) Click the tab that reads “Networking.”
D) Highlight “Internet protocol (TCP/IP).”
E) Select “Properties.”
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