JUNIPER QSFP-100G-SR4 Optical Module sample report

JUNIPER has model QSFP-100G-SR4 optical module products, can support 100G Ethernet transmission 100M in multi-mode fiber, Moduletek Laboratory of the product samples for testing, to facilitate a further understanding of the product's performance indicators and the effect of the actual machine use.

1. Product Description

JUNIPER QSFP-100G-SR4 optical module supports 100M link length on 100G standard multimode fiber (MMF) OM4, and supports commercial temperature range (0~70℃); the official key parameter information and the physical appearance of the module are as follows:

Table 1 JUNIPER QSFP-100G-SR4 optical module official key parameters

Part Number	740-068634
Speed	4x25 Gigabit Ethernet,100 Gigabit Ethernet
Connector	MPO-12
Product Type	Optical Transceiver
Transmitter wavelengths ( range )	840 nm to 860 nm
Transmitter output power , each lane ( minimum )	-8.4 dBm
Transmitter output power , each lane ( maximum )	2.4 dBm
Receiver input power , each lane ( minimum )	-10.3dBm
Receiver input power , each lane ( maximum )	2.4 dBm
Cable type	MMF
Core size / cladding	50/125 μm
Fiber grade	OM3 OM4
Effective modal bandwidth	2000MHzxkm 4700MHzx km
Distance	70m 100m
Maximum Power consumption ( W )	3.5W
Operating Temperature (range)	0°C to 70°C

Figure 1 JUNIPER QSFP-100G-SR4 Optical Module Physical Picture

2. Module on-board identification

Connect the QSFP-100G-SR4 module to JUNIPER QFX5200-32C switch, the module can be normally LINK, the port indicator is on; the module information can be normally recognized by the switch, such as the module type, order number, serial number, etc.; you can read the DOM data, and the DOM data are within the threshold range, no alarm phenomenon.

Table 2 JUNIPER QSFP-100G-SR4 Optical Module Upstream Recognition

Item	Switch reading information
LINK
Identify
DOM data

3. Module key parameters testing

The performance indexes of the QSFP-100G-SR4 sample module on the test board are tested under the condition of 45°C in the laboratory module enclosure, and the test results are as follows;

Table 3 JUNIPER QSFP-100G-SR4 optical module performance indicators

Parameter	Channel 1	Channel 2	Channel 3	Channel 4	Remarks
Transmit optical power	-0.92dBm	-0.99dBm	-0.88dBm	-0.98dBm
Receiving sensitivity (without fiber)	-10.82dBm	-11.17dBm	-11.15dBm	-10.56dBm	5E-5 BER
Receive sensitivity (over 100m fiber)	-10.53dBm	-10.82dBm	-11.06dBm	-10.45dBm	5E-5 BER
Power consumption	2.397W

The sample module enclosure was tested at 45°C optical eye diagram with the following eye diagram template and parameters:

Table 4 JUNIPER QSFP-100G-SR4 Optical Module Eye Diagrams

	Eye diagram		Eye diagram
Channel 1		Channel 3
Channel 2		Channel 4

Table 5 JUNIPER QSFP-100G-SR4 optical module eye diagram parameters

Parameter	Channe1	Channe2	Channe3	Channe4
Temperature (℃)	45	45	45	45
Extinction ratio (dB)	3.76	3.87	3.89	3.88
P-P jitter (ps)	8.47	7.92	8.05	9.94
Rise Time (ps)	16.45	16.13	16.58	16.54
Downtime (ps)	20.26	19.93	19.3	19.22
Margin value (%)	38.1	44.2	41.6	41.9

From the actual test situation, the module's key parameters and indexes are in line with JUNIPER's official claims.

Moduletek Limited is at your service.

If you have any questions about the above content, please contact us via email: sales@moduletek.com

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JUNIPER QSFP-100G-SR4 Optical Module sample report