Service Connections
External Communications for the UPS
One of the multiple module units in the system serves as the processor for external communications. The system cabinet has a parallel cabinet interface board with a rotary switch. The rotary switch allows the user to select the MMU that will be used for external communications. External communications can be done via one of the following methods: RS-232/RS-485 port, Ethernet, Modem, Modbus, SNMP, Dry Contacts, Remote Emergency Power Off and Remote Status Panel. For additional information, refer to Operation and Maintenance Manual, SEBU8517 for the G and Z installations.
Caterpillar Information System:
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