semaphore TBOX LT2-530 Series, User Manual, Page: 108 / 197

Version : 1.09 108
PING protocol is supported by
TB
OX
LT2
. It works on ICMP protocol for which there is no
TCP port
Port:
When selecting a "Custom" service, you can type a TCP port.
When selecting a specific service, the TCP port is automatically set as defined in "RTU
properties" -> "Advanced TCP /IP".
Source:
Any: Any source IP address can access TBox.
Single: you type a unique source IP address.
Subnet: you type a source IP address and a subnet mask, to filter on a group or IP
addresses.
Examples:
IP: 172.25.110.0
Subnet: 255.255.255.0 ALL IP addr. in the range 172.25.110.xxx
IP: 172.25.110.80 Subnet: 255.255.255.224 ALL IP addr. in the range 172.25.110.64...96
Destination: Any: Any destination IP address TBox is communicating with.
Single: you type a unique destination IP address TBox is communicating with.
Subnet: you type a destination IP address and a subnet mask, to filter on a group or IP
addresses.
Activate: Uncheck the box in case you don't want the rule to be applied but don't want to delete the
rule neither.
Example of Rules
Once created, the rules appear in the list.
The order has no importance.
Forwarding authorized:
1. ModBus-TCP forwarded through COM4-COM3, from any IP address (on COM4) to any IP address
(on COM3)
2. HTTP forwarded through COM4-COM3, from any IP address arriving on COM4 to 192.168.1.98
connected to COM3. For instance a camera with IP address 192.168.1.98 connected to COM3 of
TBox