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Chapter 3: Troubleshooting
Checking the LEDs ......................................................................................................................................... 3-2
SYSTEM LED .......................................................................................................................................... 3-2
Power LEDs ............................................................................................................................................. 3-3
IOM Status LEDs ..................................................................................................................................... 3-3
Fixed and IOM Port LEDs ........................................................................................................................ 3-3
Using the Password Reset Button .................................................................................................................. 3-4
Removing the Switch from a Rack ................................................................................................................. 3-5
Appendix A: Specifications
Switch Specifications ......................................................................................................................................A-1
Power Supply Specifications ..........................................................................................................................A-3
IOM Specifications ..........................................................................................................................................A-3
PoE Daughter Card Specifications .................................................................................................................A-6
Torque Values ................................................................................................................................................A-6
1-Gigabit Ethernet and 100Base-FX Transceiver (SFP) Specifications .........................................................A-7
MGBIC-LC01/MGBIC-MT01 Specifications (1000BASE-SX) ..................................................................A-7
MGBIC-02 Specifications (1000BASE-T) .................................................................................................A-8
MGBIC-LC03 Specifications (1000BASE-SX) .........................................................................................A-8
MGBIC-LC04 Specifications (100BASE-FX) ............................................................................................A-8
MGBIC-LC05 Specifications (100BASE-FX) ............................................................................................A-9
MGBIC-LC07 Specifications (1000BASE-ELX) .......................................................................................A-9
MGBIC-08 Specifications (1000BASE-ELX) ..........................................................................................A-10
MGBIC-LC09 Specifications (1000BASE-LX) ........................................................................................A-10
10-Gigabit Ethernet Transceiver (XFP) Specifications .................................................................................A-11
Console Port Pinout Assignments ................................................................................................................A-11
Regulatory Compliance ................................................................................................................................A-12
Index
Figures
1-1 G3G124-24 Switch (front view) with one G3G-24TX IOM installed in Slot 2...................................... 1-1
1-2 G3G124-24 Switch (rear view) with 1200 and 400-watt power supplies installed.............................. 1-2
2-1 Attaching the Brackets to the Switch (G3G124-24 with G3G-24TX IOM shown)............................... 2-5
2-2 Installing a Power Supply Module (1200-watt module into PWR 2 slot shown) ................................ 2-9
2-3 Installing a PoE module in the G3G-24TX IOM ................................................................................ 2-11
2-4 Installing an IOM (G3G-24TX with optional PoE shown).................................................................. 2-12
2-5 Connecting a UTP Cable Segment to RJ45 Port ............................................................................. 2-17
2-6 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX ....................................................... 2-17
2-7 Four-Wire Straight-Through Cable RJ45 Pinouts for 10/100BASE-TX ............................................ 2-18
2-8 Eight-Wire Crossover Cable RJ45 Pinouts for 10/100/1000BASE-TX ............................................. 2-18
2-9 Eight-Wire Straight-Through Cable RJ45 Pinouts for 10/100/1000BASE-TX .................................. 2-19
2-10 Installing an SFP/XFP (shown with LC connector and without dust cover)...................................... 2-20
2-11 Cable Connection (LC shown) to Uplink Port with SFP/XFP Installed ............................................. 2-22
2-12 Screw and Coverplate Removal for Removing the G3G124-24 Cover ............................................ 2-24
3-1 G3 system LEDs (G3G124-24 shown) ............................................................................................... 3-2
3-2 Locating the Password Reset button .................................................................................................. 3-4
