Moduletek Limited QSFP-40G-SR4-C-G11 Optical Module Test Report

Moduletek Limited has launched a multi-mode optical module model QSFP-40G-SR4-C-G11, which can support 40G Ethernet applications. Moduletek Limited Laboratory has tested the samples of this model, which is convenient for you to further understand the core performance index of the module and the actual effect of the module in the use of the host computer.
1. Product Description
The core performance index of Moduletek Limited QSFP-40G-SR4-C-G11 module is shown in Table 1:

Table 1 Core performance indicators of Motex QSFP-40G-SR4-C-G11 module

Physical layer interface	Furthest transmission distance (m)	Operating temperature (℃)	Fiber Type	Fiber Interface Type	Wavelength (nm)	Transmit optical power @ per channel (dBm)	Received optical power @ per channel (dBm)	Maximum Power Consumption (W)
40GBASE-SR	400@OM4	0 ~ 70	MMF	MPO	850	-7.6 ~ 2.4	-9.5 ~ 2.4	1.5

The physical diagram of Motex QSFP-40G-SR4-C-G11 module is shown in Figure 1:

Figure 1 Motek Optronics QSFP-40G-SR4-C-G11 Module Physical Drawing

2. Module identification
Moduletek Limited QSFP-40G-SR4-C-G11 supports 40G rate, insert the module into CISCO N3K-C3064PQ-10GE switch, the test module can be linked normally, the port indicator is lit; the module identification information is normal, the DOM is normal, the specific test data shown in Table 2:

Table 2 Link, identification and DOM information of Motek QSFP-40G-SR4-C-G11 optical module on CISCO N3K-C3064PQ-10GE switch

	Module on CISCO N3K-C3064PQ-10GE switch 40G port
LINK
Identify
DOM data

3. Module key parameters testing

The key parameters of QSFP-40G-SR4-C-G11 optical module samples are tested in the laboratory of Moduletek Limited under the shell temperature of 70℃, and the test results are shown in Table 3:

Table 3 Key parameters of Motek Optronics QSFP-40G-SR4-C-G11 optical module

Channel	Transmit optical power (dBm)	Receive sensitivity @1E-12 (over 400m@OM4 fiber) (dBm)	Power Consumption (W)
CH1	-2.88	-13.52	1.32
CH2	-2.84	-13.55
CH3	-2.75	-13.41
CH4	-2.85	-13.32

The photo eye diagram of the QSFP-40G-SR4-C-G11 optical module samples were tested under the shell temperature of 70℃, and the test results are shown in Table 4:

Table 4 Photoeye diagram of Motek Optronics QSFP-40G-SR4-C-G11 optical module

Photo-eye diagram of CH1	Photo-eye diagram of CH2

Photo-eye diagram of CH3	Photo-eye diagram of CH4

The parameters of the optical eye diagram are shown in Table 5:

Table 5 Optical eye diagram parameters of Moduletek Limited QSFP-40G-SR4-C-G11 optical module

Channel	Extinction ratio (dB)	P-P jitter (ps)	Rise Time (ps)	Down time (ps)	Margin value (%)
CH1	7.11	13.12	17.89	24.53	36.2
CH2	6.58	12.83	18.30	23.71	42.7
CH3	7.11	13.12	17.89	24.53	36.2
CH4	6.58	12.83	18.30	23.71	42.7

The actual test data shows that the core performance index of Moduletek Limited QSFP-40G-SR4-C-G11 optical module is in accordance with the definition of Moduletek Limited datasheet, and is comparable to the performance of the same type of module officially advertised by CISCO.

Moduletek Limited can provide cost-effective QSFP-40G-SR4 optical module products, welcome to buy.

If you have any questions about the above content, you can contact us by Email : web@moduletek.com.

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Moduletek Limited QSFP-40G-SR4-C-G11 Optical Module Test Report