Netgear GSM7252PS - ProSAFE 52 ports Gigabit Ethernet L2 Managed Stackable Switch with PoE Hardware Manual

10/100/1000M Ports 
(2 LEDs per port) 

Off: No link is established on the port.

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

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

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

Blinking yellow: The port is transmitting or receiving packets at 10 Mbps or 

100Mbps.

Off: No PoE powered device (PD) is connected.

Solid green: The PoE powered device (PD) is connected and the port is 

supplying power.

Solid yellow: Indicates one of the following failures stopped power to that port:

– Short circuit on PoE power circuit.
– PoE power demand exceeds power available.
– PoE current exceeds PD's classification.
– Out of correct voltage band (44 ~ 57 VDC for af, 50~57 VDC for at).

Combo Ports
(1Link/ACT LED per 
port) 

Off: No 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: The port is transmitting or receiving packets at 100 Mbps.

Note: If port 21–24 media is changed to copper, the SFP LEDs change to Off status. 

SFP+ Ports
(1 Link/ACT LED per 
port)

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

Solid green: A valid 10 Gbps SFP+ module link is established on the port.

Blinking green: The port is transmitting or receiving packets at 10 Gbps.

1-8

0w - 30w

9-24

0w - 15.4w