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Introduction
2
Firewall application examples
2 Introduction
2.1
10
Building Technologies
Fire Safety & Security Products
The NK8000 family provides LAN/WAN adapter products for a safety and security
network:
The NK822x series (phased out).
The NK823x series.
The NK8237 Modbus Gateway.
NK8237 Modbus Gateway
The
FS720 fire detection systems provides a connection (TCP/IP or Serial RTU) to a
3rd party Modbus station/unit for supervision and control of fire systems.
The products of the NK823x series and the NK8237 Modbus Gateway have a built
in firewall. This manual describes how the
without using the Modbus Gateway functionality, for protecting Sinteso FS20,
STT20 and Cerberus PRO FS720 fire detection systems.
Firewall application examples
In Sinteso FS20, STT20 and Cerberus PRO FS720 fire detection systems the
connection to external networks or external access must be configured via a
firewall for security reasons. The NK823x firewall application can protect individual
stations or the entire network from the following events:
protection against attacks which impair the functionality of the FS20 system
unauthorized access
spying on data
data manipulation
The following pictures show typical use cases for the NK8237 as firewall in different
Sinteso configurations.
Management station
(e.g. MM8000 or 3rd party)
External network
Internal network
Standalone station
for Sinteso FS20, STT20 and Cerberus PRO
NK8237
can be used as pure firewall,
Engineering tool
(e.g. SintesoWork, SintesoView)
Power
COM 1
Tamper
COM 2
Download
COM 3
Diagnostics
COM 4
GAP
Station
NK8237
firewall
A6V10403182_a_en
30.09.2014
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