• Juniper Compatible 40Gbps SFP+ Transceiver Module for 40km Fiber Optic
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Blue Cable Co

EX-SFP-GE40KT13R15-BCC | Juniper Compatible 1GB Single-Mode 40km (1000BASE-BX40-U) Industrial

EX-SFP-GE40KT13R15-BCC

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Description

The EX-SFP-GE40KT13R15-BCC is a drop-in compatible replacement for the Juniper EX-SFP-GE40KT13R15. This BiDi SFP transceiver operates plug-and-play in Juniper platforms with SFP slots supporting 1000BASE-BX. - IEEE 802.3 1000BASE-BX40 and SFP MSA compliance guarantee interoperability with Juniper switches and routers requiring uplink BiDi transceivers - SFP form factor, 1.25 Gbps data rate, single-mode fibre, 40 km reach, 1310 nm TX / 1550 nm RX wavelengths, simplex LC connector - Digital Optical Monitoring (DOM) support provides real-time access to temperature, voltage, bias current, transmit power, and receive power - BiDi WDM technology transmits and receives over a single fibre strand, reducing fibre infrastructure costs by half - Must be paired with complementary downlink transceiver (1550 nm TX / 1310 nm RX) such as EX-SFP-GE40KT15R13 to complete the bidirectional link - Hot-swappable design allows installation and removal without powering down the host device

Features

• 1000BASE-BX40 compliance ensures guaranteed operation in Juniper platforms requiring BiDi uplink transceivers at Gigabit Ethernet and 1G Fibre Channel rates up to 1.25 Gbps
• WDM (Wavelength Division Multiplexing) architecture uses DFB laser at 1310 nm for transmit and PIN photodiode with TIA at 1550 nm for receive, enabling full-duplex communication over a single fibre strand
• 17 dB minimum optical power budget supports 40 km transmission distance over standard G.652 single-mode fibre with appropriate splice loss and connector attenuation margins
• DOM functionality accessible via I2C interface delivers live diagnostic telemetry including optical transmit and receive power levels, enabling proactive link health monitoring and troubleshooting
• BiDi uplink configuration (1310 TX / 1550 RX) pairs exclusively with downlink transceivers using inverted wavelength pair (1550 TX / 1310 RX) to create asymmetric point-to-point links common in access and distribution layer designs
• Hot-swappable SFP form factor with 20-pin edge connector enables field installation without network downtime and integrates seamlessly into existing Juniper switch and router SFP cages
• Standard commercial operating temperature range (0 to 70°C) suits data centre, enterprise campus, and climate-controlled telecom environments

Warranty

5-Year Advanced Warranty on All Blue Cable Co® Products

Blue Cable Co® offers a comprehensive 5-Year Advanced Warranty on all our branded products. Our advanced warranty ensures fast, hassle-free replacements to keep your network running smoothly. If a fault occurs, we’ll deliver a replacement part before you return the faulty item—minimising downtime and giving you complete peace of mind.

Choose Blue Cable Co® for reliable, high-quality network components backed by industry-leading warranty support.

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

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Technical Specifications

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Compatible SFP Selector

Technical Specifications

Brand: Blue Cable Co
BCC SKU: EX-SFP-GE40KT13R15-BCC
Compatible Replacement For: EX-SFP-GE40KT13R15
Juniper Part Number: 740-020425
Compatibility: Juniper compatible
Lab Testing: Tested in Sydney, Australia
Warranty: 5-year advanced hardware replacement (Blue Cable Co)
Form Factor: SFP (Small Form-factor Pluggable)
Data Rate: 1.25 Gbps
Wavelength: 1310 nm TX / 1550 nm RX
Fibre Type: Single-mode (SMF 9/125 micron)
Connector Type: Simplex LC
DOM Support: Yes (Digital Optical Monitoring)
Standards: IEEE 802.3 1000BASE-BX40, SFP MSA SFF-8477
Max Reach: Up to 40 km (per datasheet, subject to fibre and link conditions)
Optical Budget: 17 dB minimum
Operating Temperature: 0 to 70°C
Link Type: BiDi uplink (must pair with 1550 nm TX / 1310 nm RX downlink)

Also Known As

740-020425

FAQs

Q: Will this work in place of the Juniper EX-SFP-GE40KT13R15?
A: Yes. This transceiver is coded and tested for drop-in compatibility with the EX-SFP-GE40KT13R15. It meets the same 1000BASE-BX40 standard, uses the SFP form factor, operates at 1.25 Gbps, and delivers the same 1310 nm TX / 1550 nm RX wavelength pair over 40 km of single-mode fibre. It will initialize plug-and-play in any Juniper platform that accepts the OEM part.

Q: Which Juniper platforms support this transceiver?
A: This transceiver works in Juniper switches and routers with SFP slots that support 1000BASE-BX operation, including EX Series switches, MX Series routers, and platforms requiring BiDi uplink transceivers. Verify your specific platform documentation lists EX-SFP-GE40KT13R15 support or 1000BASE-BX capability before deployment.

Q: Why must I use this with a specific paired transceiver, and which one?
A: BiDi transceivers use WDM to send and receive on different wavelengths over a single fibre. This uplink module transmits at 1310 nm and receives at 1550 nm. The far end must use the inverse wavelengths: 1550 nm TX and 1310 nm RX, such as the Juniper EX-SFP-GE40KT15R13. Mismatched wavelengths prevent link establishment because the receiver cannot detect the transmitter's signal.

Q: How do I access DOM data, and what parameters can I monitor?
A: DOM data is accessible via the I2C two-wire serial interface defined in SFP MSA. Your network operating system (Junos CLI, for example) queries the transceiver's onboard memory to retrieve real-time parameters: temperature (°C), supply voltage (V), laser bias current (mA), transmit optical power (dBm), and receive optical power (dBm). Use this data to identify marginal links, failing lasers, or fibre degradation before outages occur.

Q: What is the minimum acceptable receive power at 40 km, and how does fibre quality affect reach?
A: The transceiver's receiver sensitivity and the 17 dB optical budget define maximum reach. Actual distance depends on fibre attenuation (typically 0.35 dB/km for G.652 SMF at 1310 nm), splice loss, connector loss, and any inline passive components. Poor fibre quality, excessive bends, dirty connectors, or additional splices reduce the power budget and may limit usable distance below the 40 km rating. Measure end-to-end loss and confirm received power is above sensitivity threshold using DOM before declaring a link operational.

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Tested on real vendor hardware in Sydney

Every Blue Cable Co transceiver is coded for your platform and tested in our Sydney test rack on real vendor switches and firewalls before it ships. We check it is recognised and links up the same way the OEM optic does, so you don't find an "unsupported transceiver" error after it's installed.

Brands tested: Cisco, Meraki, Arista, Aruba, HPE, Juniper, Dell, Fortinet, Palo Alto, Check Point, Sophos, Moxa and NVIDIA. Speeds up to 100Gb.

  • 5 year replacement warranty
  • Sydney stock
  • Re-coding if you need it

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