A fiber optic module for installation in a fiber optic equipment tray having a plurality of tray channels, comprising: a main body having a front end, a rear end, and opposing first and second sides (74A, 74B) spaced apart and extending along a longitudinal axis of the fiber optic module; a plurality of fiber optic adapters disposed on the front end of the fiber optic module for receiving a plurality of fiber optic components; at least one fiber optic adapter located at the rear end of the fiber optic module; and a plurality of fiber optic connections inside the fiber optic module between the at least one fiber optic adapter on the rear end of the fiber optic module and the plurality of the fiber optic adapters on the front end of the fiber optic module; characterized in that the fiber optic module comprises: a locking feature in the form of a locking latch and a protrusion configured to engage a complementary protrusion disposed in a tray channel such that the fiber optic module can be secured in the fiber optic equipment tray, wherein the locking latch and protrusion are integral with one another, and arranged on at least one of the opposing first and second sides (74A, 74B) along the longitudinal axis of the fiber optic module, wherein the locking latch is disengagable to prevent the protrusion from engaging with the complementary protrusion and to allow the fiber optic module to be released from the fiber optic equipment tray; the fiber optic module further comprising a module rail (52A, 52B) disposed on each of the first and second opposing sides (74A, 74B) of the main body, and extending outwardly with respect to the optic module and along the longitudinal axis of the module; and wherein the locking latch and protrusion are formed as part of one of the module rails (52A, 52B). a main body having a front end, a rear end, and opposing first and second sides (74A, 74B) spaced apart and extending along a longitudinal axis of the fiber optic module; a plurality of fiber optic adapters disposed on the front end of the fiber optic module for receiving a plurality of fiber optic components; at least one fiber optic adapter located at the rear end of the fiber optic module; and a plurality of fiber optic connections inside the fiber optic module between the at least one fiber optic adapter on the rear end of the fiber optic module and the plurality of the fiber optic adapters on the front end of the fiber optic module; characterized in that the fiber optic module comprises: a locking feature in the form of a locking latch and a protrusion configured to engage a complementary protrusion disposed in a tray channel such that the fiber optic module can be secured in the fiber optic equipment tray, wherein the locking latch and protrusion are integral with one another, and arranged on at least one of the opposing first and second sides (74A, 74B) along the longitudinal axis of the fiber optic module, wherein the locking latch is disengagable to prevent the protrusion from engaging with the complementary protrusion and to allow the fiber optic module to be released from the fiber optic equipment tray; the fiber optic module further comprising a module rail (52A, 52B) disposed on each of the first and second opposing sides (74A, 74B) of the main body, and extending outwardly with respect to the optic module and along the longitudinal axis of the module; and wherein the locking latch and protrusion are formed as part of one of the module rails (52A, 52B). a locking feature in the form of a locking latch and a protrusion configured to engage a complementary protrusion disposed in a tray channel such that the fiber optic module can be secured in the fiber optic equipment tray, wherein the locking latch and protrusion are integral with one another, and arranged on at least one of the opposing first and second sides (74A, 74B) along the longitudinal axis of the fiber optic module, wherein the locking latch is disengagable to prevent the protrusion from engaging with the complementary protrusion and to allow the fiber optic module to be released from the fiber optic equipment tray; the fiber optic module further comprising a module rail (52A, 52B) disposed on each of the first and second opposing sides (74A, 74B) of the main body, and extending outwardly with respect to the optic module and along the longitudinal axis of the module; and wherein the locking latch and protrusion are formed as part of one of the module rails (52A, 52B).