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When establishing a Direct Connection to RS232 Port "x", the
corresponding TCP port number must be used. If conditions are
acceptable (e.g. Target RS232 Port must be free and properly
configured), an immediate connection will be made, with one
possible exception; password entry may first be required
depending on current password configuration settings.
Note: When a Direct Connect attempt fails because
the RS232 Port is busy, the call is immediately
rejected at the TCP level.
Connection Example
1. Assume that Port 8 has been configured as described in
Section 8.2. If the IP address for the CMS unit is
"1.2.3.4", and you wish to establish a standard Telnet
protocol connection with CMS port 8 (TCP Port Number
2108), then on a UNIX system, the connect command
would be invoked as follows:
$ telnet 1.2.3.4 2108 [Enter]
2. When the Telnet connect command is sent, the CMS will
respond as follows:
a) The CMS will send the site ID, RS232 Port Number and
Name, Telnet Port number and the Password Prompt (if
required) as shown below:
CMS: [site id]
Port: [RS232 Port number and name]
Telnet Port: 21XX or 31XX (Where XX = the
RS232 Port No.)
Enter Password: (if required)
b) Once a connection is established, the "Connected"
message is sent, and the cursor returns to the left hand
side of the screen.
8-5
Telnet Capabilities
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