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Part 1 – AT Commands for All Universal IP Devices Chapter 5 – TCP AT Commands
Universal IP AT Commands Reference Guide (Document S000457K) 34
#TCPPORT – Set TCP Port for Remote Peer
Description: To exchange data over TCP, the TCP/IP stack software must know the port of the remote peer
used for the TCP session.
Syntax: AT#TCPPORT=id,<TCP Port number for remote peer value>
AT#TCPPORT=id Read or display the current setting (or AT#VTCP=id, AT#VALL).
id: Enter a Profile Setting: 1 or 2 {1,2}
Values: Set the value that the Profile will use:
From 1 to 5 digits (each digit between 0 and 9 inclusive). Note that numbers above 65,535 are
illegal as the port identification fields are 16 bits long in the TCP header.
Default: 1
#TCPSERV – Set Address of Remote TCP Server
Description: To exchange data over TCP, the TCP/IP stack software must know the address of the remote
TCP server (or host) that is to be used.
Syntax: AT#TCPSERV=id,"<Address of remote TCP server value>"
AT#TCPSERV=id Read or display the current setting (or AT#VTCP=id, or AT#VALL).
id: Enter a Profile Setting: 1 or 2 {1,2}
Values: Set the value that the Profile will use:
32-bit number in dotted-decimal notation (i.e., xxx.xxx.xxx.xxx) or
Alphanumeric ASCII text string up to 120 characters if DNS is integrated. No default.
#TCPTXDELAY – Time Delay
Description: This command determines the time delay introduced before sending a TCP frame that has not
been entirely filled with user data. The time is entered in milliseconds, and it should be noted that
a value of 0 initiates the sending of a TCP frame as soon as possible after the reception of a
single character value from the host.
Syntax: AT#TCPTXDELAY=id,<Time Delay value>
AT#TCPTXDELAY=id Read or display the current setting (or AT#VTCP=id or AT#VALL).
id: Enter a Profile Setting: 1 or 2 {1,2}
Values: Set the value that the Profile will use:
Integer multiple of 20 between 0 and 32760 inclusive.
Default: 0