RJ-45 RS-232 console port............................................................37
USB Type-C console port..............................................................38
Fans......................................................................................................38
Fans for the 8-port PoE+ and PoE++ models............................39
Fans for the 24-port PoE+ and PoE++ models..........................41
Fans for the 40-port PoE+ and PoE++ models..........................43
Fans for the LED tiles model and the aggregation model.......45
Chapter 3 Installation
Step 1: Prepare the site......................................................................48
Step 2: Protect against electrostatic discharge..............................49
Step 3: Unpack the switch.................................................................49
Step 4: Mount or place the switch....................................................51
Mount the switch in a rack............................................................51
Place the switch on a flat surface.................................................53
Optional Step 5: Install SFP or SFP+ transceiver modules............53
Step 6: Connect devices to the switch.............................................54
Step 7: Check the installation...........................................................55
Step 8: Apply AC power and check the LEDs.................................55
Optional Step 9: Connect a console to the switch.........................56
Chapter 4 Troubleshooting
Troubleshooting chart.......................................................................59
PoE troubleshooting suggestions....................................................60
Additional troubleshooting suggestions.........................................61
4
AV Line of Fully Managed Switches M4250 Series
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