The males and females during the time of the Apostle of Allaah ( sal Allahu alayhi wa sallam ) used to perform the ablution from one vessel together. The wordings "from one vessel" occur in the version of Musaddad.  

كَانَ الرِّجَالُ وَالنِّسَاءُ يَتَوَضَّئُونَ فِي زَمَانِ رَسُولِ اللَّهِ ﷺ قَالَ مُسَدَّدٌ مِنَ الإِنَاءِ الْوَاحِدِ جَمِيعًا  

"Men and women used to perform ablution from a single vessel during the time of the Messenger of Allah."  

كَانَ الرِّجَالُ وَالنِّسَاءُ يَتَوَضَّئُونَ عَلَى عَهْدِ رَسُولِ اللَّهِ ﷺ مِنْ إِنَاءٍ وَاحِدٍ  

"Men and women used to perform ablution from a single vessel during the time of the Messenger of Allah." (Using translation from Ibn Mājah 381)   

أَبِي كَانَ النِّسَاءُ وَالرِّجَالُ يَتَوَضَّئُونَ عَلَى عَهْدِ رَسُولِ اللهِ ﷺ مِنْ إِنَاءٍ وَاحِدٍ وَيُشْرِعُونَ فِيهِ جَمِيعًا  

"Men and women used to perform ablution from a single vessel during the time of the Messenger of Allah." (Using translation from Ibn Mājah 381)   

رَأَيْتُ الرِّجَالَ وَالنِّسَاءَ يَتَوَضَّئُونَ عَلَى عَهْدِ رَسُولِ اللهِ ﷺ جَمِيعًا مِنْ إِنَاءٍ وَاحِدٍ