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GLC-BX40-D-I
1000BASE-BX40-D for 40km Single-Fiber Bidirectional Applicat...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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GLC-BX40-D-I is an SFP transceiver engineered for long-range data transmission over single-mode fiber. It supports a 1G data rate with an LC duplex connector, delivering robust Ethernet connectivity over distances up to 40 km.
GLC-BX40-D-I features a compact SFP form factor with precise physical dimensions tailored for high-density network environments. Ideal for data centers, enterprise networks, and telecom applications, this module meets stringent performance standards while enabling efficient, reliable connectivity.
GLC-BX40-D-I price is $1,275.65, a 59% saving from the Cisco list price of $3,111.32. GLC-BX40-D-I is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-BX40-D-I for additional pricing. Browse the full Sfp series or explore all Cisco products.
A service provider extends Metro Ethernet between central office and edge aggregation sites up to 40 km using a single-fiber bidirectional link. The GLC-BX40-D-I-1000BASE-BX40-D module slashes fiber counts by 50 %, supports DOM for real-time optical health monitoring, and ensures SLA-grade 1 Gbps throughput—delivering robust bandwidth growth while minimizing capex and operational overhead.
An enterprise IT team interconnects headquarters and a remote data center campus over a 40 km span on a single fiber to establish primary and disaster-recovery paths. By deploying GLC-BX40-D-I-1000BASE-BX40-D transceivers, they reduce fiber infrastructure costs, enable DOM-driven fault detection for proactive maintenance, and achieve seamless 1 Gbps connectivity that meets strict RPO/RTO requirements.
An oil & gas operator links a remote pump station 35 km from the control center over a single-fiber bidirectional circuit. The GLC-BX40-D-I-1000BASE-BX40-D module delivers resilient 1 Gbps transmission in harsh environments, while DOM provides continuous optical diagnostics. This solution reduces field fiber deployment, accelerates troubleshooting, and guarantees high-availability SCADA control for critical infrastructure.
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| Product Type | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP |
| Data Rate | 1G | OC-3 (155 Mbps) | 1G | 1G |
| Connector Type | LC | LC | LC | LC |
| Wavelength | 1310/1490 nm | 1310 nm | 1310/1550 nm | 1310 nm |
| Transmission Distance | Long-Range | Intermediate-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 80 km | 20 km | 10 km |
| Supported Protocols | Ethernet | SONET/OC-3 | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco / Juniper / Huawei / Arista | Cisco | Cisco |
| Product Name | GLC-BX40-D-I | SFP-OC3-IR1 | GLC-2BX-D | Cisco GLC-LX-NID-0 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
1000BASE-BX40-D SFP ensures stable 40 km single-fiber bidirectional connections.
Durable transceiver with DOM support for enterprise reliability.
Professional-grade module with consistent performance.
Easy installation and minimal maintenance required.
Stable and reliable for long-distance fiber links.
The GLC-BX40-D-I is a 1 Gbps SFP transceiver for single-fiber bidirectional transmission up to 40 km, featuring Digital Optical Monitoring (DOM).
It transmits at 1310 nm and receives at 1490 nm for downstream and upstream data on a single fiber.
It supports single-mode fiber (SMF) compliant with ITU-T G.652 and G.655 standards.
It provides reliable links up to 40 km over single-mode fiber.
Yes, DOM monitors real-time parameters like optical power, temperature, and voltage via the I²C interface.
It is compatible with a wide range of switches, routers, and media converters supporting 1000BASE-BX40-D.
Insert the SFP into a compatible 1 Gbps port until it clicks, then configure the port for 1000BASE-BX40-D mode.
No, it uses a compact metal housing with built-in heat dissipation suitable for standard operating temperatures (–40 °C to 85 °C).
It provides a transmitter power of 0 to +5 dBm and a receiver sensitivity of –24 dBm, yielding a power budget of at least 19 dB.
No, it is designed specifically for single-fiber bidirectional applications, not for CWDM or DWDM wavelength grids.
Yes, it supports hot-plug functionality for seamless installation and removal without powering down the host device.
It meets FDA 21 CFR 1040.10, IEC 60825-1 and EN 60825-1 laser safety standards.
Verify fiber polarity, check DOM optical thresholds, ensure proper port configuration and clean the fiber connectors.
Yes, it includes a one-year limited warranty covering defects in materials and workmanship.
Interoperability is generally supported, but compatibility with specific vendor firmware should be validated.
Ideal for metro, access, and enterprise networks requiring cost-effective 40 km single-fiber bidirectional links.