Ethernet communication is used. Only one type is possible for a specific
configuration.
• The PCM600 port for SPA (port 7001) is used for configuration and parameter
setting using the PCM600 tool and a proprietary protocol SPA and is fixed and
can not be changed.
These security drawbacks are acceptable in limited local networks. For wide area
networks in particular with connection to the Internet, the 670 series Ethernet
communication must be protected against illegal access. This protection must be
handled by external devices to setup a secure virtual private network (VPN).
1MRK505209-UEN E Section 14
Authorization
99
Operator's manual
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