There are 4 unique codex entries in the Locations section on Belsavis. They are accessible to all players regardless of class or faction.
High Security Section is obtained near a proximity map trigger.
Coordinates: 82, 1555 | 129, 690
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
Maximum Security Section is obtained near a proximity map trigger.
Coordinates: -1337, -75 | -1341, 697
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
Minimum Security Section is obtained near a proximity map trigger.
Coordinates: 1130, 262 | 1693, 1388
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
The Tomb is obtained near a proximity map trigger.
Coordinates: -1097, -1397 | -1337, -1784
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None