• Cisco Compatible GLC-BX40-D-I-BCC Industrial SFP Transceiver Module
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Blue Cable Co

GLC-BX40-D-I-BCC | Cisco Compatible 1GB Single-Mode 40km (1000BASE-BX40-D) Industrial

GLC-BX40-D-I-BCC

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Description

The GLC-BX40-D-I-BCC is a drop-in compatible replacement for the Cisco GLC-BX40-D-I. This industrial-rated BiDi SFP operates plug-and-play in Cisco platforms with 1GB SFP ports and delivers 40km reach over a single strand of single-mode fibre. - IEEE 802.3z 1000BASE-BX40-D compliance ensures interoperability with upstream BX40-U transceivers and standards-based equipment - SFP form factor, 1.25Gbps data rate, 1550nm Tx / 1310nm Rx wavelength pair, simplex LC connector - Industrial temperature rating: -40°C to 85°C for harsh environment deployments in outdoor cabinets, industrial automation, and remote installations - Digital Optical Monitoring (DOM) per SFF-8472 MSA for real-time visibility into optical power, temperature, bias current, and voltage - Bidirectional WDM technology transmits and receives on a single fibre strand, reducing fibre infrastructure cost by 50% - Must be paired with a complementary 1000BASE-BX40-U transceiver (1310nm Tx / 1550nm Rx) at the opposite end

Features

• IEEE 802.3z 1000BASE-BX40-D downstream standard ensures wavelength-matched pairing with any 1000BASE-BX40-U upstream transceiver, including the Cisco GLC-BX40-U-I
• Single-fibre bidirectional operation using integrated WDM splitter: transmits at 1550nm and receives at 1310nm on one strand, halving fibre deployment cost
• Industrial temperature range -40°C to 85°C with hardened IC and optical components supports deployment in factory floors, outdoor enclosures, mining, oil and gas, and transport infrastructure
• SFF-8472 DOM (DDM) provides real-time diagnostic access to Tx/Rx optical power, temperature, bias current, and supply voltage for proactive link health monitoring
• Hot-swappable SFP footprint with single 3.3V power supply and low power dissipation (≤1W) simplifies installation and minimises thermal load in dense port environments
• DFB laser transmitter and InGaAs PIN receiver with 22dB optical budget deliver reliable 40km transmission over ITU-T G.652 single-mode fibre
• Downstream (D) designation: always pairs with upstream (U) transceiver; two downstream units cannot communicate directly

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

Also Known As

FAQs

Compatible SFP Selector

Technical Specifications

Brand: Blue Cable Co
BCC SKU: GLC-BX40-D-I-BCC
Compatible Replacement For: GLC-BX40-D-I
Compatibility: Cisco compatible
Lab Testing: Tested in Sydney, Australia
Warranty: 5-year advanced hardware replacement (Blue Cable Co)
Form Factor: SFP
Data Rate: 1.25Gbps
Standard: IEEE 802.3z 1000BASE-BX40-D
Wavelength: 1550nm Tx / 1310nm Rx (Downstream)
Fibre Type: Single-mode (SMF, 9/125µm)
Connector Type: Simplex LC
Max Reach: Up to 40km (per datasheet, subject to fibre and link conditions)
DOM Support: Yes (SFF-8472 MSA)
Operating Temperature: -40°C to 85°C (Industrial)

Also Known As

GLC-BX40-D-I=, GLC-BX40-D-I-RF

FAQs

Q: Will this work in place of the Cisco GLC-BX40-D-I?
A: Yes. The GLC-BX40-D-I-BCC is electrically and mechanically compatible with the Cisco GLC-BX40-D-I. It conforms to the same IEEE 802.3z 1000BASE-BX40-D standard, uses the same SFP form factor, operates at the same 1550nm Tx / 1310nm Rx wavelength pair, and provides the same 40km reach over single-mode fibre. It will initialise plug-and-play in any Cisco platform that supports the original part.

Q: Which Cisco platforms support this transceiver?
A: This transceiver works in Cisco switches and routers with 1GB SFP slots that support 1000BASE-BX standards, including Catalyst 3650, 4500-X, 9200, 9300, and 9500 series switches, Catalyst 8300 and 8500L series routers, and Nexus 9000 series platforms. If your platform supports the Cisco GLC-BX40-D-I or GLC-BX-D form factors, this module will function identically.

Q: What is the difference between the D and U versions of BX40 transceivers?
A: The D (downstream) version transmits at 1550nm and receives at 1310nm, while the U (upstream) version transmits at 1310nm and receives at 1550nm. This wavelength separation enables bidirectional communication over a single fibre strand. You must deploy one D and one U transceiver as a pair at opposite ends of the link. Two D units or two U units cannot communicate with each other because their transmit and receive wavelengths would not align.

Q: Can this industrial-rated transceiver operate in standard commercial temperature environments?
A: Yes. The -40°C to 85°C industrial temperature range is a superset of the 0°C to 70°C commercial range. This transceiver will operate reliably in any commercial data centre or office environment and also supports extended temperature deployments in outdoor cabinets, factory automation systems, or remote cell sites where ambient conditions exceed commercial limits. There is no performance penalty in standard temperature environments.

Q: Does this BiDi transceiver require specialised single-mode fibre, or will standard OS2 fibre work?
A: Standard ITU-T G.652 single-mode fibre (OS2, 9/125µm) is correct and required. The integrated WDM optics handle wavelength multiplexing internally. No external WDM device or specialised fibre type is needed. The 40km reach specification assumes clean LC connectors, low insertion loss, and fibre attenuation within the IEEE 802.3z budget. If your existing SMF infrastructure supports other 1GB long-reach transceivers, it will support this BiDi module.

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Coded and tested in our state of the art lab in Sydney

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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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