WI-MOD-E-100 & WI-MOD-E-300 Wireless Ethernet
User Manual
WI-MOD-E Manual v1.10
Page
46
IP Address Filter Configuration:
Add Entries
Enter the details of IP traffic to be added to the list. Protocols ARP,
ICMP, TCP and UDP may be selected. Other IP protocols may be
selected provided the IP protocol number within packets is known.
TCP and UDP traffic may be also limited to specific port numbers.
Delete Entries
Check the delete box alongside entries selected for removal from the
list. Alternatively, check the enable box alongside entries if you want
to make the rule active.
Whitelist or Blacklist
Check the box to make the list a whitelist. This will only allow
traffic described in the list to be sent over the radio link. All other
traffic is blocked unless it is present in a MAC whitelist.
Uncheck the box to make the list a blacklist. This will ban all traffic
described in the list from being sent to the module or over the radio
link.
Apply Changes
Update settings.
Apply Changes and Save Update settings and save to non-volatile memory.
NOTE: When configuring a TCP filter it is often desirable to also configure both an ARP and an
ICMP filter for the same IP Address range. The ARP filter is required whenever the sending device
does not have a fixed IP to MAC Address translation table entry (i.e. whenever the device may need
to send an ARP request to determine the MAC address of a device with a known IP Address). An
ICMP filter is needed to allow/disallow “pings”.
3.13
Serial Port Configuration
The WI-MOD-E has an RS-232, and RS-485 port for serial communications. These ports may be
used for different purposes. The WI-MOD-E offers three different serial functions which are PPP
server, Serial Gateway, and ModBus TCP to RTU Gateway.
3.13.1 RS-232 PPP Server
The WI-MOD-E can be used as a PPP Server to connect the wireless Ethernet system to serial
devices via the RS232 or RS485 serial ports.
PPP Server enables a network connection to the WI-MOD-E over a serial cable. This is much like
dial up internet. The maximum serial data rate is 115,200bps. Hardware or Software flow control
may be selected.
With minimal configuration on the PC, you may use Dial up networking in Windows XP to connect
to the network via the serial port.
For the WI-MOD-E, users must configure the local IP address for the WI-MOD-E and the remote
device IP address. Some care must be taken in selecting these IP addresses.
