Concepts - Huawei CloudEngine 7800 Series Hardware Description

CloudEngine 7800&6800&5800 Series Switches
Hardware Description

6.1 Concepts

Appearance and Structure
Figure 6-1
Figure 6-1 Appearance of an optical module (SFP optical module as an example)
1. Handle
4. Shell
7. Spring
Terms
Transmission distance Maximum distance over which optical signals can transmit. Optical signals sent from
Interface rate
Issue 16 (2015-08-26)
shows the appearance of an optical module.
2. Receiver
5. Label
8. Module connector
different types of sources can transmit over different distances due to negative effects of
optical fibers, such as dispersion and attenuation.
Maximum rate of electrical signals that an optical device can transmit without bit errors.
Various interface rates are defined in Ethernet standards, such as 125 Mbit/s, 1.25 Gbit/
s, 10.3125 Gbit/s, and 41.25 Gbit/s.
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6 Optical Module
3. Transmitter
6. Dust cap
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