Unions had sought annual pay increases of about 3.75 per cent - similar to the rises secured by workers at Dublin Bus and Luas after strikes past year.
Southern operates services in the Ashford and Tonbridge areas of Kent.
The row over who should open and close the doors on trains has disrupted services sporadically for nearly two years.
Billed as the "biggest disruption to passengers in decades" due to the number of operators affected, hundreds of services will be cancelled, replacement buses will be laid on and services that do run will be busier than normal.
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Without a human eye, users would be able to easily cheat the system and submit photos that have nothing to do with revenge porn . If it succeeds, hopefully expect it rollout throughout the rest of the world if Facebook keeps getting government support.
"While at this time Iarnrod Eireann has not been advised of a withdrawal by trade unions of the further dates of industrial action (14th and 23rd November, 8th December), the company hopes that the issues can be resolved in a manner that ensures customers suffer no further disruption to services".
Members of the Aslef union voted by 79.1% to accept the resolution, which includes a five-year pay increase worth 28.5%, the BBC says.
The announcement of strikes was made after a collapse of talks at the Workplace Relations Commission over pay.
The RMT's general secretary has said the result didn't change the campaign his union is now running, blasting the deal as "shoddy".
'The independent rail regulator has said driver-controlled trains, which have been used in this country for more than 30 years, are safe'.
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Humans and monkeys can now extend a warm welcome to sheep for joining us in being able to recognize human faces from photographs. Maybe they just didn't like that the non-familiar lacked a reward, for example.
SWR: The company, which only took over the franchise from South West Trains in August, plans to run two thirds of its regular timetabled 1,700 services. Most services will finish by 7pm.
Mass UK rail strikes kick off today across five train companies, as the row over the role of the guard and so-called driver-only operation, continues to spread.
"Similarly, anti-social behavior on trains could increase with the presence of a guard", he added.
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