MELLANOX MMA2P00-AS optical module sample report
Time: 2024-01-15
NVIDIA/MELANOX company has model MMA2P00-AS optical module products, can be in the multimode fiber to support 25G Ethernet transmission of 100M, Motex Optoelectronics Laboratory of the product samples for testing, to facilitate further understanding of the product's performance indicators and the effect of the actual machine use.
1. Product description
MELLANOX MMA2P00-AS optical module supports 100M link length in 25G standard multimode fiber (MMF) 50/125um, with FEC negotiation enabled in the host. The official key parameter information and the physical appearance of the module are as follows:
Table 1 MELLANOX MMA2P00-AS Optical Module Official Description
![MELLANOX MMA2P00-AS Optical Module Physical Diagram](/IMG/an_IMG/0014301.png)
Ordering Part Number | Description | ||||
MMA2P0O-AS | Transceiver,25GbE,SFP28,LC-LC,850nm,up to 100m | ||||
Parameter | Min | Typ | Max | Units | Notes |
Supply voltage | 3.135 | 3.3 | 3.465 | V | --- |
Power consumption | --- | --- | 1 | W | --- |
Operating case temperature | 0 | --- | 70 | ℃ | --- |
Reach on OM3 | 70 | --- | --- | m | --- |
Reach on OM4 | 100 | --- | --- | m | --- |
Average launch power | -8.4 | --- | 2.4 | dBm | --- |
Unstressed receiver sensitivity (OMA)at BER=10-12 | --- | --- | -7 | dBm | 1 |
Stressed receiver sensitivity (OMA)at BER=5* 10-5 | --- | --- | -5.2 | dBm | 2 |
Notes:
1.All Tx channels on and all Rx channels on with AOP 3dB greater than the tested channel.Injected optical eye must comply with the transmitter eye mask definition from the above table.
2.Measured with conformance test signal at TP3 (ref.IEEE 802.325GBASE-SR)for BER<5· 10-5
|
![MELLANOX MMA2P00-AS Optical Module Physical Diagram](/IMG/an_IMG/0014301.png)
Figure 1 MELLANOX MMA2P00-AS Optical Module Physical Diagram
2. Module on-board identification
MMA2P00-AS module will be connected to the MELLANOX MCX4121A-ACAT card, access to the jumper, the module can be normal LINK, the port indicator lights up; module information can be recognized by the switch, such as the module type, model number, manufacturer's name, serial number, wavelength, transmission distance, etc.; you can read the DOM data, and the DOM data are in the threshold range, no alarm phenomenon. No alarm phenomenon.
Table 2 MELLANOX MMA2P00-AS Optical Module Upload Recognition
3. Module key parameters testing
Item | Server/network card reading information |
LINK |
|
Identify |
|
DOM data |
|
3. Module key parameters testing
a. Laboratory module shell 45 ℃ conditions, the MMA2P00-AS sample module in the test version of the performance indicators are tested, the test results are as follows;
Table 3 MELLANOX MMA2P00-AS optical module performance indicators
Parameter | Test data | Unit | Remarks |
Transmit optical power | 0.1 | dBm | |
Receiving sensitivity (without fiber) | -11.2 | dBm | 5E-5 BER |
Receive sensitivity (over 100m OM4 fiber) | -10.8 | dBm | 5E-5 BER |
Power consumption | 0.631 | W |
b. Sample module housing 45°C optical eye diagram test, eye diagram template and parameters are as follows:
![MELLANOX MMA2P00-AS Optical Module Eye Diagrams](/IMG/an_IMG/0014305.png)
Figure 2 MELLANOX MMA2P00-AS Optical Module Eye Diagrams
Table 4 MELLANOX MMA2P00-AS light module eye diagram parameters
Temperature (°C) | Extinction ratio (dB) | P-P jitter (ps) | Rise time (ps) | Descent time (ps) | Margin value (%) |
45 | 5.52 | 14.4 | 15.66 | 18.12 |
24.5 |
From the actual test situation, the key parameters of the module are in line with the official claims of MELLANOX.
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