Juniper 40G QSFP+ Transceiver in Bangladesh — High-Speed 40G Optical Connectivity

A Juniper 40G QSFP+ Transceiver is a high-performance optical module designed to deliver 40Gbps data transmission for enterprise networks, data centers, and telecom infrastructure. It uses the QSFP+ form factor, enabling high port density and efficient bandwidth utilization.

Juniper QSFP+ modules operate using 4×10Gbps lanes, ensuring reliable and scalable high-speed connectivity.

Buy Juniper 40G QSFP+ Transceiver in Bangladesh at Best Price

Datacom Technologies BD supplies genuine Juniper 40G QSFP+ optical transceivers with full compatibility for Juniper switches and routers, ensuring stable and high-performance networking.

Key Features

• High-speed 40Gbps Ethernet connectivity
• QSFP+ form factor for high-density deployment
• Supports multimode and single-mode fiber
• Hot-swappable for easy installation
• Digital Optical Monitoring (DOM) support
• Reliable performance for enterprise and telecom networks

Juniper QSFP+ modules are designed for high bandwidth and efficient port utilization in modern networks.

Types of Juniper 40G QSFP+ Transceivers

• SR4 (Short Range) — Up to 100–150m over multimode fiber
• SWDM4 — Up to ~350m over multimode fiber
• LX4 — Up to ~150m over duplex MMF
• LR4 (Long Range) — Up to 10km over single-mode fiber
• ER4 (Extended Range) — Up to 40km transmission
• DAC / AOC — Short-distance rack connectivity

Popular Juniper 40G QSFP+ Transceiver Models, Part Numbers & Server Compatibility at Datacom

Juniper QFX-QSFP-40G-SR4

Part Number: 740-067442 (also older: 740-032986)

Type: SR4 (Short Reach)
Fiber: Multimode (MMF)
Connector: MPO-12
Distance: up to 100–150 m

 Compatibility

• Juniper QFX / EX Series switches
• IEEE 802.3ba 40GBASE-SR4
• QSFP+ MSA compliant
• Supports breakout (4 × 10G)

???? Use case: data center short-distance / rack-to-rack

 Juniper QFX-QSFP-40G-ESR4

Part Number: 740-045627

Type: eSR4 (Extended SR)
Fiber: MMF
Connector: MPO-12
Distance: up to ~300 m

 Compatibility

• Juniper QFX platforms
• 40G Ethernet (4×10G lanes)
• Breakout capable (4 × 10G)

???? Use case: extended data center links

 Juniper JNP-QSFP-40G-LX4

Part Number: 740-056705

Type: LX4
Fiber: MMF (duplex)
Connector: LC duplex
Distance:

• 100 m (OM3)
• 150 m (OM4)

 Compatibility

• Juniper QFX / EX switches
• Reuses existing 10G duplex fiber infrastructure
• QSFP+ MSA compliant

???? Use case: 10G → 40G migration without new cabling

 Juniper QSFP-40G-LR4

Part Number: 740-056707 (common reference)

Type: LR4
Fiber: Single-mode (SMF)
Connector: LC duplex
Distance: up to 10 km

 Compatibility

• IEEE 802.3ba 40GBASE-LR4
• Juniper routers & aggregation switches
• Campus / metro networks

???? Use case: medium-distance links

 Juniper QSFP-40G-ER4

(Carrier-grade module)

Type: ER4
Fiber: SMF
Connector: LC duplex
Distance: up to ~40 km

 Compatibility

• Long-distance Ethernet (40GBASE-ER4)
• Telecom / backbone networks
• High optical budget required

???? Use case: long-haul / carrier

 Juniper QSFP-40G-IR4

(Intermediate reach variant)

Type: IR4
Fiber: SMF
Connector: LC duplex
Distance: ~2 km

 Compatibility

• Intermediate-range Ethernet
• Juniper switching platforms
• Often used between LR4 and SR4 deployments

???? Use case: short DCI / metro access

 Juniper QSFP-40G-BXSR (BiDi MMF)

(BiDi multimode variant)

Type: BiDi SR
Fiber: MMF (duplex LC)
Connector: LC duplex
Distance: ~100–150 m

 Compatibility

• Uses bidirectional wavelengths
• Reduces fiber count (no MPO needed)
• Works on Juniper DC switches

???? Use case: fiber-saving data center

 Juniper QSFP+ 40G DAC / AOC

Types:

• QSFP+ DAC (Direct Attach Copper)
• QSFP+ AOC (Active Optical Cable)

Distance:

• DAC: 1–7 m
• AOC: up to ~100 m

 Compatibility

• Juniper switches (QFX / EX / MX)
• Supports 40G direct attach connections
• Cost-effective alternative to optics

???? Use case: ultra-short intra-rack links

 General Compatibility Notes (IMPORTANT)

 Interface & Technology

• QSFP+ = 4 × 10G NRZ lanes (40G total)
• Supports Ethernet, InfiniBand, Fibre Channel

 Standards

• IEEE 802.3ba (40G Ethernet)
• QSFP+ MSA

 Platform Compatibility

• Native support:
  • Juniper QFX Series (data center)
  • Juniper EX Series (enterprise)
  • Juniper MX Series (routing)

 Breakout Capability

• Many QSFP+ ports support:
  • 4 × 10G SFP+ breakout

 Multi-vendor Compatibility

• Works with:
  • Cisco
  • Arista
  • Huawei
    ➡️ Requires proper EEPROM coding

 Quick Summary Table

Juniper 40G QSFP+ Transceiver Price in Bangladesh

•  Contact Datacom Technologies BD for latest pricing and availability.

Common Use Cases

• Data center networking
• Enterprise core and aggregation networks
• Cloud and virtualization environments
• ISP and telecom backbone
• High-performance computing (HPC)

Why Choose Juniper 40G QSFP+ Transceiver?

• Proven and reliable Juniper optical technology
• High bandwidth with scalable deployment
• Flexible distance and connectivity options
• Compatible with Juniper networking devices
• Ideal for mission-critical network environments

Order Juniper 40G QSFP+ Transceiver in Bangladesh

•  Call / WhatsApp: 01748-173213 | 01313-886347
•  Email: sales@datacom.com.bd | datacomtechnologiesbd@gmail.com