Juniper JNP-QSFP-100G-CWDM Optical Transceiver Test Report

Juniper provides the JNP-QSFP-100G-CWDM optical transceiver, which supports 100G Ethernet transmission up to 2 km over single-mode fiber. Moduletek Laboratory has conducted prototype testing on this product to help users understand its performance specifications and actual application performance.

1. Product Description

The JNP-QSFP-100G-CWDM optical transceiver supports a 2 km transmission distance over single-mode fiber. Its official key parameters and physical appearance are shown below:

Table 1 Official Key Parameters

Part Number	740-061408
Speed	100 Gigabit Ethernet
Connector	Duplex LC
Product Type	Optical Transceiver
Transmitter wavelengths ( range )	–1264.5 nm through 1277.5 nm
	–1284.5 nm through 1297.5 nm
	–1304.5 nm through 1317.5 nm
	–1324.5 nm through 1337.5 nm
Transmitter output power , each lane ( minimum )	–6.5 dBm
Transmitter output power , each lane ( maximum )	2.5 dBm
Receiver input power , each lane ( minimum )	–11.5 dBm
Receiver input power , each lane ( maximum )	2.5 dBm
Cable type	SMF
Core size / cladding	9/125 µm
Fiber grade	SMF
Distance	2 km
Maximum Power consumption ( W )	3.5W
Operating Temperature (range)	0°C to 70°C

Figure 1 Physical Appearance

2. Transceiver Identification Test

Insert the JNP-QSFP-100G-CWDM transceiver into a Juniper QFX5200-32C switch. The transceiver can establish a normal link and the port indicator lights up.

The switch can correctly identify transceiver information, including type, model, serial number, rate and transmission distance. DOM data can be read normally, with all values within the threshold range and no alarms generated.

Table 2 On-Board Identification

Item	nformation Read by Switch
LINK
Identification
DOM Data

3. Key Parameter Test

Performance tests of the JNP-QSFP-100G-CWDM sample transceiver were carried out at a case temperature of 45°C in the laboratory. The test results are as follows:

Table 3 Performance Indicators

Parameter	Channel 1	Channel 2	Channel 3	Channel 4	Remarks
Transmit Optical Power (unit: dBm)	1.687	0.937	-0.407	-0.562
Receive Sensitivity (Back-to-Back, dBm)	-13.767	-13.462	-15.787	-13.921	5E-5 BER
Receive Sensitivity (2km Fiber, dBm)	-13.851	-13.740	-15.211	-13.015	5E-5 BER
Power Consumption (unit: W)	2.83

Optical eye diagram testing was performed on the sample transceiver at 45°C. The eye diagram template and parameters are shown below:

Table 4 Eye Diagram Distribution

	Eye Diagram		Eye Diagram
Channel 1		Channel 3
Channel 2		Channel 4

Table 5 Eye Diagram Parameters

Parameter	Channel 1	Channel 2	Channel 3	Channel 4
Extinction Ratio (dB)	5.97	6.50	9.29	6.27
P-P Jitter (ps)	9.80	11.32	9.22	10.85
Rise Time (ps)	17.50	17.99	16.69	17.94
Fall Time (ps)	16.00	16.53	16.83	16.88
Margin Value (%)	42.1	46.2	47.0	47.3

Actual test results show that all key parameters and performance indicators of the transceiver are consistent with Juniper’s official specifications.

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Juniper JNP-QSFP-100G-CWDM Optical Transceiver Test Report