Manualsbrain.com
  1. Manuals
  2. Brands
  3. Netgear
  4. M4100-50G (GSM7248v2h2) - 46‐port GE + 4 GE Combo L2 Managed Switch
  5. Hardware Manual

Netgear M4100-50G (GSM7248v2h2) - 46‐port GE + 4 GE Combo L2 Managed Switch Hardware Manual

Download
Page of 33
Introduction 
8
NETGEAR Managed Switch 
Table 1.  LED descriptions
 
LED
Description
Power 
Solid green: Internal power supply operating normally and supplying power to the 
switch.
Solid yellow: The system is in boot-up stage.
Blinking yellow: Power module is present but has failed. 
Off: Power is disconnected. 
Fan
Solid green: The fan is operating normally.
Solid yellow: The fan has failed.
Off: No fan is detected.
RPS
Solid green: RPS connected (using internal power supply’s power). 
Solid yellow: The internal power supply has failed and the RPS is providing power to 
the switch.
Blinking yellow: RPS is present but RPS has failed. 
Off: RPS disconnected.
Note: Only for M4100-26G, 50G, 26-POE, 26G-POE, 50G-POE+, and 50-POE
PD 
Solid green: PD port 1 is connected to PSE getting 802.3at specified power. 
Blinking green: PD port 1 is connected to PSE getting 802.3af specified power. 
Off: PD port 1 is not connected to PSE.
Note: Only for M4100-D12G, -24G-POE, D12G-POE, 12G-POE+, -12GF
Max PoE 
Solid yellow: Indicates less than 7 watts of PoE power is available. 
Blinking yellow: Indicates the PoE MAX LED was active in the previous 2 minutes. 
Off: There is at least 7 watts of PoE power available for another device. 
SPD/Link/ACT 
(RJ-45 port)
Off: No link is established on the port. 
Solid green: A valid 1000 Mbps link is established on the port. 
Blinking green: Packet transmission or reception is occurring on the port at 1000 
Mbps. 
Solid yellow: A valid 10/100 Mbps link is established on the port. 
Blinking yellow: Packet transmission or reception is occurring on the port at 10/100 
Mbps. 
Note: If combo port media change to fiber, the Ethernet LED changes to off status.
PoE
Off: No PoE powered device (PD) connected. 
Solid green: The PoE powered device (PD) is connected and the port is supplying 
power successfully. 
Solid yellow: Indicates that one of the following failures resulted in stopping power to 
that port: 
-  
Short circuit on PoE power circuit 
-  
PoE power demand exceeds power available 
-  
PoE current exceeds PD’s classification 
-  
Out of proper voltage (44 VDC–57 VDC for af, 50 VDC–57 VDC for at)