User`s manual

Chapter 4 — Managing, Upgrading, and Troubleshooting the IF30
IF30 Fixed Reader User’s Manual 69
Problems With Network Connectivity
When troubleshooting problems with network connectivity, make
sure you know and understand these network-specific settings:
• TCP/IP settings
• COM port settings for serial connections
You should also make sure all physical network connectors and cables
are in good working order.
Connectivity Problems and Solutions
Problem Solution
You have assigned a static IP
address to the IF30 but cannot
connect to the IF30 over your
network.
Make sure that DHCP is disabled and that your TCP/IP
parameters are set correctly. For help, see “Configuring the
IF30 (Setting the IP Address)” on page 9.
You cannot load a security
certificate.
You must use a secure web browser connection to load
certificates. For help, see “Using the Web Browser
Interface” on page 14.
You cannot connect the IF30
using the serial port.
1 Verify if you are using the correct null modem cable.
2 Verify that you ar communicating through the correct
serial port.
3 Verify that your PC is set to 9600, N, 8, 1, no flow control.
You cannot connect to the IF30
using a web browser.
1 Verify that you are not using a crossover cable if you are
connected to a hub or switch. Verify that you are using a
crossover cable if connected directly to the server or PC.
2 Open a HyperTerminal session to the IF30, and verify that
you did not enable web browser access in the Security
screen.
3 If you access the Internet through a proxy server, be sure
you have added the IP address of the IF30 to the Exceptions
list.