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TU849 is the dual-power termination base for a redundant optical modem pair connected to non-redundant I/O.
Its two power feeds do not change the single electrical ModuleBus and single-I/O architecture stated by ABB.
Ordering review should match TU849 and 3BSE042560R1 with both modem positions, two feeds, cluster address, single ModuleBus route, and four keys.
Internal resources for TU849 3BSE042560R1:
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.





