1.25G SFP LX 1310nm 10km

Q、What is the difference between SFP+ and SFP optical modules?

A、SFP and SFP+ optical modules share nearly identical dimensions, with the primary distinction lying in their transmission speeds. SFP modules have a maximum data transfer rate of 2.5Gb/s, whereas SFP+ modules offer 10Gb/s. Due to these different transmission rates, their applications and transmission distances can vary.

Q、Can SFP+ optical modules be used in SFP ports?

A、Yes, it is possible. A 10G SFP+ optical module can operate in an SFP port, but the transmission rate will be limited to 1Gbps. Conversely, SFP modules are not compatible for use in SFP+ ports.

Q、What is the difference between the electrical interface module SFP-GE-T and optical interface modules?

A、Electrical interface module SFP-GE-T and optical interface modules differ in their signal transmission methods and application environments:

• Signal Transmission: Electrical interface modules transmit signals using electrical signals, whereas optical interface modules use light signals. Optical transmission offers higher bandwidth and speed, making it suitable for long-distance transmission.
• Usage Environment: Electrical interface modules are suited for short-range transmissions and smaller network environments such as offices or home networks. Optical interface modules are designed for larger network infrastructures, like data centers and enterprise networks.

Q、Can Gigabit Ethernet ports interoperate with 100Mbps ports? Can Gigabit Ethernet ports also interoperate with 10 Gigabit Ethernet ports?

A、Gigabit Ethernet ports can directly interoperate with 100Mbps ports, but the data transfer rate will be limited to the slower 100Mbps Ethernet speed.

Interoperability between Gigabit and 10 Gigabit Ethernet ports requires additional equipment, such as a switch. When interconnected via a switch, Gigabit and 10 Gigabit Ethernet ports can communicate, but the data rate will again be limited by the slower port’s capacity. It is essential to note that this interconnection is predicated on the condition that the 10 Gigabit Ethernet port of the networking device supports Gigabit speeds.