SFP Module 155Mb/s SFP, 1310nm FP SM,20km, 21dB Cudy SM100sa-20
The SFP module is a short fiber optic module that is used for data transmission. It is usually placed in an SFP device and has internal flash memory. It also has many other functions, such as a multiplexer and decoder. The SFP module is a small, advanced optical module that can be used for many different purposes. It is often used to connect to other devices via fiber optics, as well as a multiplexer or decoder. This module is very popular due to its functionality and is often used in computer and telecommunications networks.
Where is the SFP module used?
The SFP module is used in computer and telecommunications networks. It can also be found in wireless systems, as well as in fiber optic systems. SFP is compatible with many standards, such as Ethernet, Fibre Channel and SONET. Network cards usually have several SFP ports that can be used to connect devices to the network. SFP modules can operate in various modes, including: 1000BASE-T ( Ethernet), 1000BASE-SX/LX (fiber optics), 10GBASE-SR/LR (fiber optics) and OC-192/STM-64 (SONET). These modules are supplied in various form factors, such as: SFP+, X2 and XENPAK.
What is the difference between SFP and SFP+ modules?
SFP+ is compliant with the IEEE 802.3ae 10GBASE-SR/LR/ER/ZR standard, as well as with OC-192/STM-64. In turn, SFP is compliant with the IEEE 802.3z 1000BASE-SX/LX/ZX standard.
Pins on the SFP output to the host
|
PIN |
Symbol |
Name/Description |
Ref |
|
1 |
VEET |
Transmitter ground (common with receiver ground) |
1 |
|
2 |
TFAULT |
Transmitter fault. Unsupported. |
|
|
3 |
TDIS |
Transmitter disabled. Laser output disabled on high or open. |
2 |
|
4 |
MOD_DEF(2) |
Module definition 2. Data line for the serial identifier. |
3 |
|
5 |
MOD_DEF(1) |
Module definition 1. Clock line for the serial identifier. |
3 |
|
6 |
MOD_DEF(0) |
Module definition 0. Grounded in the module. |
3 |
|
7 |
RATE SELECT |
No connection required |
|
|
8 |
LOS |
Loss of signal indicator. Logic 0 indicates normal operation. |
4 |
|
9 |
VEER |
Receiver ground (common with transmitter ground) |
1 |