Sierra Wireless WISMO218 User Manual download pdf (Page 12)

WA_DEV_W228_UGD_002 Rev 003 Page 12 of 78

WISMO228 TCP/IP AT Commands

Manual

Possible Protocols

The possible protocols are:

 1 = UDP

 2 = TCP in connect mode (Client)

 3 = TCP in listen mode (Server)

Two pairs with different protocol numbers but the same index identifies two distinct sockets.

Example: Both 1,7 and 2,7 are valid identifiers simultaneously; the former identifies a UDP socket and

the later, a TCP connected socket.

Number of Sockets

The number of sockets per protocol is limited and are listed as follows.

 UDP : 8 sockets

 TCP Clients : 8 sockets

 TCP Servers : 4 sockets

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Sierra Wireless WISMO218 User Manual Page 12