3Com 4510G manual Optional Interface Modules, SFP Port Status LED, Interface Module Status LED

SFP Port Status LED

The port mode LED and the SFP port status LED together indicate the SFP port operation status. Refer to Table 1-11 for details.

Table 1-11SFP port status LEDs description

Status
		Description
Port mode	Ethernet port
LED	status LED
	Steady green	The port operates at a rate of 1000 Mbps; the LED is fast
		flashing when data is being sent and/or received on the port.
Steady green	Steady yellow	The port operates at a rate of 100 Mbps; the LED is fast
		flashing when data is being sent and/or received on the port.
(rate mode)
	Flashing yellow	POST failed on the port.
	(3 Hz)
	Off	The port is not up.
	Steady green	The port operates in full-duplex mode; the LED is fast flashing
		when data is being sent and/or received on the port.
Steady yellow
	Flashing yellow
(duplex mode)		POST failed on the port.
	(3 Hz)
	Off	The port is not up.

Interface Module Status LED

Table 1-12Interface module status LED description

Mark	Status	Description
	Green	The interface module is in the slot and operates normally.
MOD1
	Flashing yellow	The inserted interface module type is incorrect or the interface
MOD2		module fails.
	Off	No interface module is installed.

Optional Interface Modules

The Switch 4510G provide two interface module slots on the rear panel. You can select the interface modules in Table 1-13 as needed.

The Switch 4510G support IRF, requiring physical connections between devices. The 10 GE ports of the supported interface modules support IRF, allowing you to connect the switches through these 10 GE ports for IRF implementation.

Table 1-13Description of the supported interface modules

Model	Description	Interface quantity	Remarks
		and type
	Short-haulDual-Port	2 × 10 Gbps electrical	Suitable for short-distance
3C17767	10 GE CX4 Interface		connections using CX4 power
		ports
	Module		cables, and support IRF
		1-9