The configuration and network topology of the specific Metasys system installation must be considered when opening firewall ports for communication. For example, considering Figure 1 and Table 1, if the Metasys Server is not acting as a time server, then the SNTP protocol between callout 3 and callout 2 is not used. Similarly, if Metasys system alarms and events are not being monitored by IT tools, then the SNMP Trap protocol between callout 2 and callout 4, and item callout 3 and callout 4 is not used.
Note: Restrictions apply to the engines supported with an ADS-Lite Site Director. Refer to the Metasys® System Configuration Guide (LIT-12011832) to discover which engines are supported for systems using the ADS-Lite as Site Director.