Buffalo Technology TeraStation HS-DTGL/R5 - Manual (Page 53)

5
Advanced Settings
Disk Backup (TeraStation List)
Press.Refresh.to.get.a.list.of.TeraStations.on.your.network.
Note: Disk Backups between two TeraStations use port 8873 for encrypted backups and port 873
for backups with no encryption.