Chapter 4 — Managing, Troubleshooting, and Upgrading the IF61
106 IF61 Fixed Reader User’s Manual
Connectivity Problems and Solutions
Problem Solution
You cannot connect to the IF61
using the serial port.
1 Verify that you are using a null-modem cable to
connect to the desktop PC.
2 Verify that you are communicating through the correct
serial port (COM1).
3 Verify that your PC is set to 115200, N, 8, 1, no flow
control.
You cannot connect to the IF61
using a web browser.
1 Verify that you have the correct IP address for the
IF61.
2 If you access the Internet through a proxy server, be
sure you have added the IP address of the IF61 to the
Exceptions list.
You cannot connect to the IF61 via
Telnet.
Make sure that Telnet access is enabled on the IF61. For
help, see “Controlling Access Services” on page 30.
You cannot access the IF61 FTP
directory.
Make sure that the IF61 FTP server is enabled. For help,
see “Controlling Access Services” on page 30.
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 11.
You cannot mount an NFS drive or
a CIFS share.
Make sure that NFS mounting or CIFS/SMB shares are
enabled on the IF61. For help, see “Controlling Access
Services” on page 30.
You have assigned a static IP address
to the IF61 but cannot connect to
the IF61 over your network.
Make sure that DHCP is disabled and that your TCP/IP
parameters are set correctly. For help, see “Connecting to
the IF61” on page 9.
You cannot consistently maintain
the 802.11 radio connection.
Make sure the 802.11 radio antennas are positioned for
best performance with your wireless network.
You cannot connect to the IF61
through the 802.11 radio.
1 Make sure the radio is enabled and that all 802.11
radio parameters are set correctly, including all
necessary security parameters. For help, see
“Configuring the 802.11 Radio” on page 23.
2 Verify that the wired Ethernet and wireless 802.11
connections are on different subnets. Otherwise, errors
may result.
3 If you used the web browser interface to restore
defaults, the 802.11 radio was disabled. You need to
connect to the IF61 via a wired Ethernet connection to
enable and configure the radio. For help, see
“Configuring the 802.11 Radio” on page 23.
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