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When we choose an optical module, in addition to the basic packaging, transmission distance, and transmission rate, we should also pay attention to the following factors: 1. Fiber type Fiber types can be divided into single-mode and multi-mode. The center wavelengths of single-mode optical modu...

The full name of the optical module is optical transceiver, which is an important device in the optical fiber communication system. It is responsible for converting the received optical signal into an electrical signal, or converting the input electrical signal ...

1. Classified by application Ethernet application rate: 100Base (100M), 1000Base (Gigabit), 10GE. The rate of SDH application: 155M, 622M, 2.5G, 10G. DCI application rate: 40G, 100G, 200G, 400G, 800G or above. 2. Classification by package According to the package: 1×9, SFF, SFP, GBIC, XENPAK...

The optical module is a photoelectric signal conversion device, which can be inserted into network signal transceiver equipment such as routers, switches, and transmission equipment. Both electrical and optical signals are magnetic wave signals. The transmission range of electrical signals is lim...

In today’s society, the Internet has penetrated into all aspects of our lives, of which the wired network and wireless networks are the most familiar. At present, the most famous cable network is Ethernet. But with the development of technology, wireless networks are going deep into our liv...

Static VLANs are also called port-based VLANs. This is to specify which port belongs to which VLAN ID. From the physical level, you can directly specify that the inserted LAN corresponds to the port directly.  When the VLAN administrator initially configures the corresponding relationship between...