1.25G BIDI SFP LX 1310Tx 1550Rx 40km

Q、What types of SFP optical modules are there?

A、SFP optical modules are compact, hot-pluggable transceivers widely used in the telecommunications industry. They come in various types, including BIDI-SFP, Ethernet interface SFP, CWDM SFP, DWDM SFP, and SFP+ optical modules. Additionally, compared to similar modules like XFP, X2, and XENPAK, SFP modules not only offer direct compatibility but also tend to be more cost-effective.

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

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

• Signal Transmission Method: Electrical interface modules use electrical signals for transmission, whereas optical interface modules employ optical signals. Optical signal transmission boasts higher bandwidth and speed, making it suitable for long-distance transmissions.
• Application Environment: Electrical interface modules are suited for short-range transmissions and smaller network setups, such as office or home networks. Optical interface modules, on the other hand, are designed for larger network environments like data centers and corporate networks.

Q、Can Gigabit Ethernet ports communicate with 100Mbps ports? Can Gigabit Ethernet ports communicate 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 standard when they are connected.

For interoperability between Gigabit Ethernet ports and 10 Gigabit Ethernet ports, reliance on additional equipment such as switches is necessary. When connected through a switch, both Gigabit and 10 Gigabit Ethernet ports can communicate, with the transmission rate again limited by the slower port. It is crucial to note that this interconnection assumes that the 10 Gigabit Ethernet port on the networking device using the electrical interface module supports Gigabit speeds.