• Vibrant pink glossy Juniper JNP-QSFP-40G-LX4 QSFP+ 40GBASE-LX4 sticker
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Juniper

Juniper JNP-QSFP-40G-LX4 | 40G QSFP+ Transceiver, 2km SMF, 100m OM3, Duplex LC

JNP-QSFP-40G-LX4

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Description

This Juniper QSFP+ 40GBASE-LX4 transceiver provides 40 Gigabit Ethernet over duplex LC fibre. It suits data centre links where existing duplex fibre is being reused for 40G, rather than recabling with parallel MPO fibre.

The module carries four 10.3125 Gb/s lanes on 1310 nm CWDM wavelengths, for a 41.25 Gb/s aggregate rate. Over singlemode fibre it reaches 2 km. Over OM3 multimode fibre it reaches 100 m, and over OM4 multimode fibre 150 m. It uses a duplex LC PC/UPC connector, supports digital optical monitoring (DOM/DDM) and is not breakout capable.

It is intended for Juniper QSFP+ 40GbE ports on switching platforms. Juniper part number 740-056705. Confirm the supported platform list for your switch in the Juniper Hardware Compatibility Tool before ordering.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Reuses existing duplex multimode or singlemode fibre when moving from 10G to 40G
- Hot-pluggable QSFP+ module
- Digital diagnostics via I2C per the QSFP+ MSA
- Four CWDM lanes at 10.3125 Gb/s over a single duplex fibre pair
- Supports both singlemode and OM3/OM4 multimode fibre
- Real-time optical monitoring through DOM/DDM

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Part number: 740-056705
- Speed: 40 Gigabit Ethernet
- Standard: 40GBASE-LX4
- Form factor: QSFP+
- Connector: Duplex LC PC/UPC
- Wavelength: 1310 nm (CWDM)
- Data rate: 4 x 10.3125 Gb/s (41.25 Gb/s aggregate)
- Media: SMF / MMF
- Reach over SMF: 2 km
- Reach over OM3 MMF: 100 m
- Reach over OM4 MMF: 150 m
- Digital optical monitoring (DOM/DDM): Yes
- Breakout capable: No

FAQs

Q: What fibre types and distances does this transceiver support?
A: It supports singlemode fibre up to 2 km, OM3 multimode fibre up to 100 m and OM4 multimode fibre up to 150 m, all over a duplex LC connection.

Q: Can it be used as a 4x10G breakout module?
A: No. This module is not breakout capable and operates as a single 40GBASE-LX4 link.

Q: Does it need MPO or parallel fibre cabling?
A: No. It uses a standard duplex LC connector, so existing duplex fibre can be reused for 40G.

Q: Where can I check platform compatibility?
A: It is designed for Juniper QSFP+ 40GbE ports on switching platforms. Check the Juniper Hardware Compatibility Tool at apps.juniper.net/hct for the supported platform list.

Q: Does it support digital optical monitoring?
A: Yes. It supports DOM/DDM, so transmit and receive optical power and other diagnostics can be read from the host switch.

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