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

The rear panels have a DB9 console port, a mini USB port (only for M4100-26G, 50G, 
26-POE, 26G-POE, 50G-POE+, 50-POE, D12-PoE, and D12G), a redundant power supply 
connector (only for M4100-26G, 50G, 26-POE, 26G-POE, 50G-POE+, 50-POE, 12GF, 
24G-POE+, and 12G-POE+), and a standard AC power receptacle for the supplied power 
cord. 

Link/ACT 

(RJ45 port)

Off: No link is established on the port.

Solid green: A valid link is established on the port. 

Blinking green: Packets transmission or reception is occurring on the port. 

Note: If a combo port media changes to fiber, the copper port LED 
changes to off status.

SPD (RJ45 port)

Off: No link is established on the port. 

Solid green: A valid 1000 Mbps link is established on the port. 

Solid yellow: A valid 10/100 Mbps link is established on the port. 

PoE-PD

Off: No PSE is connected or PSE is connected but connection has failed. 

Solid green: The PSE is connected and get 30 W power from PSE successfully. 

Solid yellow: The PSE is connected and get 15.4 W power from PSE successfully. 

SPD/Link/ACT

(SFP port) 

Off: No SFP/SFP+ module link is established on the port. 

Solid green: A valid 1000 Mbps SFP+ module link is established on the port. 

Blinking green: The port is transmitting or receiving packets at 1000 Mbps.

Solid yellow: A valid 100 Mbps SFP module link is established on the port.

Blinking yellow: Packet transmission or reception is occurring on the port at 
100

 

Mbps.

Note: If combo port media changes to copper, the SFP port LED changes to off 
status. 

AC power 

connector

Lock

Console

port

power supply

connector

RPS

Mini

USB
port