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Views: 399 Author: Site Editor Publish Time: 2025-06-10 Origin: Site
The biggest difference between 100M module, Gigabit module and 10G optical module is the transmission rate. The packaging form of 100M and Gigabit optical modules is SFP, and the packaging of 10G optical modules is SFP+ and XFP. The transmission speed of 100M module is: 155Mb/s and 622Mb/s; the transmission speed of Gigabit module is: 1.25Gb/s, 2.215Gb/s, 4.25Gb/s, 6.25Gb/s. The transmission rate of 10G optical module is 10Gbps. In addition to the difference in transmission rate, what are their more specific differences?
100M optical module: 100M optical module is an optical module with a transmission rate of 100Mbps. It is a small form-factor pluggable (SFP) transceiver module based on the SFP Multi-Source Agreement (MSA). It is an SFP optical module that connects to the copper wire network and supports the 100BASE-T Ethernet standard. 100Base-T is a local area network (LAN) standard that operates at 100Mbps. It is often referred to as the Fast Ethernet standard and uses UTP (unshielded twisted pair) copper cables. 100M SFP optical modules are mainly used in FAST Ethernet and are compatible with the 100M Ethernet and 100BASE-T Ethernet standards specified in IEEE 802.3z and 802.3ab.
YXF-FE-B35L/S-2D is a high performance, cost effective modules, which is supporting up to 155Mbps, and transmission distance up to 2km on SM fiber. The transceiver consists of two sections: The transmitter section incorporates a laser driver and a 1310nm FP laser. The receiver section consists of a PIN photodiode integrated with a transimpedance preamplifier (TIA) and a Limitting Amplifier. The module is hot pluggable into the 20-pin connector. The high-speed electrical interface is base on low voltage logic, with nominal 100Ohms differential impedance and AC coupled in the module.
The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Transmit Fault (Tx_Fault) is provided to indicate that the module transmitter has detected a fault condition related to laser operation or safety. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. A serial EEPROM in the transceiver allows the user to access transceiver monitoring and configuration data via the 2-wire SFP Management Interface. This interface uses a single address, A0h, with a memory map divided into a lower and upper area. Basic digital diagnostic (DD) data is held in the lower area while specific data is held in a series of tables in the high memory area.
Gigabit optical module: A Gigabit optical module is an optical module with a transmission rate of 1000Mbps. It is usually represented by FE, and there are generally two types of Gigabit optical modules: Gigabit SFP optical modules and GBIC optical modules. The transmission distance can reach 80m-160km. Generally speaking, we can identify Gigabit optical modules from the specification details of the product itself and the naming rules of optical modules provided by different companies.
YXF-GE-M85L-05D is a high performance, cost effective modules, which is supporting up to 1.25Gbps, and transmission distance up to 550m on MM fiber. The transceiver consists of two sections: The transmitter section incorporates a laser driver and a 850nm VCSEL laser. The receiver section consists of a PIN photodiode integrated with a transimpedance preamplifier (TIA) and a Limitting Amplifier. The module is hot pluggable into the 20-pin connector. The high-speed electrical interface is base on low voltage logic, with nominal 100Ohms differential impedance and AC coupled in the module.
The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Transmit Fault (Tx_Fault) is provided to indicate that the module transmitter has detected a fault condition related to laser operation or safety. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. A serial EEPROM in the transceiver allows the user to access transceiver monitoring and configuration data via the 2-wire SFP Management Interface. This interface uses a single address, A0h, with a memory map divided into a lower and upper area. Basic digital diagnostic (DD) data is held in the lower area while specific data is held in a series of tables in the high memory area.
10G optical module: 10G optical module is an optical module with a transmission rate of 10G, also known as 10G optical module, and its packaging form is SFP+ or XFP. The standards of 10G optical modules are IEEE 802.3ae, IEEE 802.3ak and IEEE 802.3an. When choosing a 10G optical module, we can consider factors such as price, power consumption, and space occupied.
The YXF-PP-B23L-10D is a high performance, cost effective modules, which is supporting up to 10.3125Gbps, and transmission distance up to 10km on SM fiber. The transceiver consists of two sections: The transmitter section incorporates a laser driver and a 1270nm DFB laser. The receiver section consists of a PIN photodiode integrated with a transimpedance preamplifier (TIA) and a Limitting Amplifier. The module is hot pluggable into the 20-pin connector. The high-speed electrical interface is base on low voltage logic, with nominal 100Ohms differential impedance and AC coupled in the module.
The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Transmit Fault (Tx_Fault) is provided to indicate that the module transmitter has detected a fault condition related to laser operation or safety. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. A serial EEPROM in the transceiver allows the user to access transceiver monitoring and configuration data via the 2-wire SFP Management Interface. This interface uses a single address, A0h, with a memory map divided into a lower and upper area. Basic digital diagnostic (DD) data is held in the lower area while specific data is held in a series of tables in the high memory area.
4.1 Packaging classification of 100M optical modules, 1000M optical modules and 10G optical modules:
100M and 1000M optical modules are both packaged in SFP, among which 1000M optical modules include 1000Base SFP optical modules, BIDI SFP optical modules, CWDM SFP optical modules, DWDM SFP optical modules, SONET/SDH SFP optical modules, and GBIC optical modules.
10G optical modules include 10G SFP+ optical modules, BIDI SFP+ optical modules, CWDM SFP+ optical modules, DWDM SFP+ optical modules, 10G XFP optical modules, BIDI XFP optical modules, CWDM XFP optical modules, DWDM XFP optical modules and 10G X2 optical modules.
100M optical modules are used in 100M Ethernet (Fast Ethernet), 100M optical modules are used in 100M Ethernet, dual-channel and bidirectional transmission synchronous optical network (SONET), and 10G optical modules are used in 10G Ethernet, synchronous optical network (SONET) with STM-64 and OC-192 rate standards, and 10G fiber channel.
Center wavelength: There are currently 3 main types:
850nm (MM, multi-mode, low cost but short transmission distance, generally only 500M);
1310nm (SM, single-mode, large loss but small dispersion during transmission, generally used for transmission within 40KM);
1550nm (SM, single-mode, small loss but large dispersion during transmission, generally used for long-distance transmission over 40KM, the longest direct transmission without relay is 120KM).
Transmission distance: Optical modules generally have the following specifications: multi-mode 550m, single-mode 15km, 40km, 80km and 120km, etc.
Interface: 100M SFP optical modules are all LC interfaces.
Laser type:Optical modules with a transmission distance of less than 40KM generally use FP lasers;Optical modules with a transmission distance of ≥40KM generally use DFB lasers.
Center wavelength: The center wavelengths of Gigabit optical modules are mainly 1310nm, 1470nm, 1550nm, and 1330nm-TX/1270nm-RX. The optical module with a center wavelength of 1550nm is a single-mode optical module, and its transmission distance can reach more than 40km.
Transmission distance: The transmission distance of Gigabit optical modules ranges from 20km to 120km, and the transmission distance of most Gigabit optical modules is about 100km.
Interface: Except for the GBIC Gigabit optical module, which has an SC duplex interface, the interfaces of the remaining 10G optical modules are LC duplex.
Fiber type: 10G optical modules are usually used with single-mode optical fibers, so its fiber type is SMF.
Laser type: The laser types of Gigabit optical modules mainly include DFB 1550nm, DFB BiDi, DFB 1310nm, DFB CWDM, and DFB DWDM.
DOM function: Except for GBIC optical modules, all other Gigabit optical modules support DOM function, which is related to the fact that GBIC optical modules are early optical modules.
Center wavelength: The center wavelengths of 10G optical modules include 1470nm, 1550nm, 1590nm, and 1330nm-TX/1270nm-RX, among which 1330nm-TX/1270nm-RX is a BiDi optical module.
Transmission distance: The transmission distance of 10G optical modules ranges from 20km to 80km, but the transmission distance of most 10G optical modules is 80km.
Interface: Except for the XENPAK 10G optical module, which has an SC duplex interface, the interfaces of other 10G optical modules are all LC duplex.
Fiber type: The fiber type of the 10G optical module is the same as that of the 100G optical module, which is SMF.
Laser type: The laser types of the 10G optical module include EML 1550nm, DFB BiDi, EML CWDM, EML DWDM, and DFB CWDM. From the type of laser, we can get information about its central wavelength or packaging type.
DOM function: All 10G optical modules have DOM function, which can help network administrators monitor various aspects of optical module data in real time. Network administrators can also ensure the normal operation of the optical module by viewing these data.
