User`s manual

EM1500 User’s Manual www.rabbit.com 105
D. EM1500 FAQ
This section is included to answer questions and help you trouble-shoot problems that may occur. If you
have a question or experience any difficulties working with the EM1500, please look here before calling
technical support.
If you have not already done so, please try the telnet example in the “Getting Started” chapter. This exer-
cise verifies that you have some basic functionality, thus eliminating these areas as a source of any future
problem you may experience as you configure and deploy your unit.
General
• What is an EM1500?
• How do I reset everything to the default conditions?
• Why don’t I get cables and documentation when I buy an EM1500?
• Why are there 2 types of serial cables in the EM1500 Tool Kit?
• Why are there 2 types of Ethernet cables in the EM1500 Tool Kit?
Network
• Why is there no default IP address for the EM1500?
• Why was the connection refused when I pointed my browser at my EM1500?
• Why was the connection refused when I tried to telnet to my EM1500?
• What do I do if my EM1500 is behind a firewall?
• Help! I assigned an invalid IP address to the EM1500 and I can no longer talk to it. What should I
do?
• I am restarting a telnet connection. Why is it now refusing a connection?
Serial ports
• Why am I getting garbage instead of data?
• Why do the connectors for serial ports 1 and 2 have different genders?
• Why am I not receiving data from my serial device to the EM1500?
• How do I set 2 stop bits?
• I have an old device that receives at 1200 bps, but sends at only 75 bps. How do I set up the
EM1500 for this device?