Figure 3: Back Panel of the AT-GS924MX Switch ...............................................................................................................23

Figure 4: Back Panel of the AT-GS924MPX and AT-GS948MPX Switches ........................................................................23

Figure 5: Back Panel of the AT-GS948MX Switch ...............................................................................................................23

Figure 6: AT-GS900MX Series Management Panel.............................................................................................................24

Figure 7: Stacking Transceiver .............................................................................................................................................35

Figure 8: LEDs for the Twisted Pair Ports on the AT-GS924MX and AT-GS948MX Switches ............................................37

Figure 9: LEDs for the PoE Twisted Pair Ports on the AT-GS924MPX and AT-GS948MPX Switches................................39

Figure 10: LEDs for the Combo Twisted Pair Ports..............................................................................................................41

Figure 11: SFP Slot LEDs ....................................................................................................................................................42

Figure 12: Switch ID LED .....................................................................................................................................................43

Figure 13: Switch ID LED Not in Low Power Mode ..............................................................................................................44

Figure 14: Switch ID LEDs in Low Power Mode ...................................................................................................................44

Figure 15: Components of the Switches...............................................................................................................................55

Figure 16: Components of the AT-GS924MX Switch ...........................................................................................................56

Figure 17: Turning the Switch Upside Down ........................................................................................................................62

Figure 18: Removing the Rubber Feet .................................................................................................................................62

Figure 19: Installing Brackets on the AT-GS924MX Switch .................................................................................................63

Figure 20: Attaching Brackets to the AT-GS924MX, AT-GS948MX, and AT-GS948MPX Switches....................................64

Figure 21: Attaching Brackets to the AT-GS924MX, AT-GS948MX, and AT-GS948MPX Switches (Continued)................65

Figure 22: Mounting the Switch in an Equipment Rack ........................................................................................................66

Figure 23: Positions of the AT-GS924MX Switch on a Wall .................................................................................................68

Figure 24: Minimum Wall Area Dimensions for the AT-GS924MX Switch with the Front Panel on the Left ........................69

Figure 25: Minimum Wall Area Dimensions for the AT-GS924MX Switch with the Front Panel on the Right ......................70

Figure 26: Attaching the Brackets to the AT-GS924MX Switch for Wall Installation ............................................................72

Figure 27: Marking the Locations of the Bracket Holes on a Concrete Wall ........................................................................73

Figure 28: Installing the AT-GS924MX Switch on a Wall .....................................................................................................75

Figure 29: Positions of the AT-GS924MPX, AT-GS948MX, and AT-GS948MPX Switches on a Wall.................................76

Figure 30: Minimum Wall Area Dimensions for the Switch When the Front Panel is on the Left .........................................77

Figure 31: Minimum Wall Area Dimensions for the Switch When the Front Panel is on the Right.......................................77

Figure 32: Bracket Positions on the Switch ..........................................................................................................................78

Figure 33: Switch on a Plywood Base ..................................................................................................................................79

Figure 34: Distances Between the Brackets on the AT-GS924MPX, AT-GS948MX, and AT-GS948MPX Switches ..........80

Figure 35: Steps to Installing the Switch with a Plywood Base ............................................................................................81

Figure 36: Attaching the Brackets for Wall Installation for All Switches Except the AT-GS924MX Switch...........................83

Figure 37: Securing the Switch to the Plywood Base ...........................................................................................................84

Figure 38: Marking the Locations of the Bracket Holes on a Concrete Wall ........................................................................85

Figure 39: Installing the AT-GS924MPX, AT-GS948MX, or AT-GS948MPX Switch on a Wall............................................86

Figure 40: Removing the Dust Plug from an SFP Slot .........................................................................................................93

Figure 41: Installing an SFP Transceiver..............................................................................................................................93

Figure 42: Removing the Dust Cover from an SFP Transceiver ..........................................................................................94

Figure 43: Positioning the SFP Handle in the Upright Position ............................................................................................94

Figure 44: Connecting a Fiber Optic Cable to an SFP Transceiver......................................................................................95

Figure 45: Installing the Retaining Clip .................................................................................................................................98

Figure 46: Raising the Retaining Clip ...................................................................................................................................99

Figure 47: Plugging in the AC Power Cord...........................................................................................................................99

Figure 48: Lowering the Retaining Clip.................................................................................................................................99

Figure 49: Switch Initialization Messages...........................................................................................................................101

Figure 50: Switch Initialization Messages (Continued) .......................................................................................................102

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