9
NETGEAR Managed Switch
Rear Panels
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.
Figure 13. M4100-26G, 50G, 26-POE, 26G-POE, 50G-POE+, and 50-POE rear panels
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.
Table 1. LED descriptions (Continued)
LED Description
AC power
connector
Lock
Console
port
power supply
connector
RPS
Mini
USB
port
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