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Scenario 3: Connecting a serial device to a wireless network
2-11
Scenario 3: Connecting a serial device to a
wireless network
This scenario explains how to connect a serial device to a wireless network, enabling serial
traffic to be sent to a remote host via TCP/IP.
Overview
In this scenario, the M111 enables a point-of-sale terminal to exchange traffic with a remote
host. In addition to providing the connection to a wireless network, the M111 also converts
traffic between serial and TCP/IP.
This scenario assumes that:
The M111 is in its factory-default state.
A DHCP server is operating on the private network, assigning addresses on the subnet
192.168.5.0
The MSM AP is operating in autonomous mode in its factory default configuration. (As
such, it obtains an IP address of 5.25 from the DHCP server and creates a wireless
network call HP ProCurve.) Install the MSM AP as described in its Quickstart.
The remote host is operating as a TCP client.
Point-of-sale
terminal
Serial Port
Host computer
TCP client
TCP
M111
TCP server
Serial
R
e
s
e
t
Serial cable
Private network with
DHCP server on
subnet 192.168.5.0
MSM AP
5.25
5.11
5.25