Siemens SINUMERIK 840D sl Equipment Manual page 48

Connecting
7.2 Communication services and used port numbers
Layers and protocols
Basically a distinction is made between three port areas:
• System ports / standardized ports
Ports 0 to 1023 (0
These ports are reserved for services, if they have not already been assigned as "reserved
ports" of the IANA itself (e.g. for future expansions).
• Registered ports
1024 to 49151 (400
These ports are intended for registered services, but can also be used for client programs.
• Dynamic ports
Ports 49152 to 65535 (C000
These ports are assigned dynamically from the operating system to client programs.
48
to 3FF )
hex hex
to BFFF )
hex hex
to FFFF )
hex hex
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN