Figure 5-3: RS-485 LAN Architecture
A
B
C
D
F
G
E
A. Engineering station
B. Primary control network
C. Secondary control network
D. Controller and I/O
E. Serial I/O card
F. RS485 bus
G. Gateway
5.3
Internal firewall
The Gateway supports an internal firewall that inspects both incoming and outgoing data
packets. TCP ports for communication protocols are user configurable, including user
specified port numbers and the ability to disable ports.
The Gateway’s internal firewall settings can be found by navigating to
System Settings
→
Protocols
→
Protocols and Ports
.
Operation and Maintenance
Reference Manual
September 2020
00809-0200-4420
46
Emerson.com/Rosemount
Summary of Contents for Smart Wireless Gateway 1420
Page 1: ...Reference Manual 00809 0200 4420 Rev HE September 2020 Emerson Wireless 1420 Gateway ...
Page 34: ...Installation Reference Manual September 2020 00809 0200 4420 34 Emerson com Rosemount ...
Page 42: ...Commissioning Reference Manual September 2020 00809 0200 4420 42 Emerson com Rosemount ...
Page 62: ...Troubleshooting Reference Manual September 2020 00809 0200 4420 62 Emerson com Rosemount ...
Page 84: ...DeltaV Ready Reference Manual September 2020 00809 0200 4420 84 Emerson com Rosemount ...
Page 95: ...Reference Manual 00809 0200 4420 September 2020 Emerson com Rosemount 95 ...