1.25G DWDM SFP CH17-CH61 40km

Q、Can I apply for a discount on bulk purchases?

A、The larger the order quantity, the greater the discount. For a quotation inquiry, please call directly at 0755-23007456 or contact us online.

Q、What types of SFP optical modules are there?

A、Types of SFP optical modules include dual-fiber SFP, single-fiber BiDi SFP, CWDM SFP, DWDM SFP, electrical interface SFP, EPON SFP, GPON SFP, among others.

Q、Is a 1G SFP optical device compatible with a downshifted SFP+ port?

A、The compatibility of 1G SFP modules with 10G SFP+ ports heavily depends on the specific switch model. Generally, SFP+ slots are compatible with SFP modules, although they typically operate at speeds slower than 1Gb. In some cases, an SFP+ port might limit the speed to 1Gb until the switch is restarted or a specific command is issued. It’s crucial to remember that SFP+ ports generally do not support speeds below 1G, thus they cannot accommodate 100BASE SFP modules.

Before inserting an SFP transceiver into an SFP+ port of a 10-gigabit switch, verify that the switch vendor or the official front-end interface documentation supports dual-rate operation. This ensures smooth network functioning without glitches.

Q、What is an SFP port on a gigabit switch?

A、An SFP port on a gigabit switch is a slot designed to accept SFP connectors for data transmission. It features high speed and a compact physical design. By inserting the appropriate SFP module (fiber optic SFP or copper SFP), the SFP port enables fiber or copper cable connections on the gigabit switch. For SFP modules installed in switches with electrical ports, data transfer requires the use of cables like Cat5e, Cat6, or Cat7. Conversely, if the SFP module is installed in a gigabit switch with optical ports, fiber optic cables are necessary to facilitate the link.