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GLC-BX40-D-I-C
1000BASE-BX40-D SFP 40km Single-Fiber Cisco Compatible
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GLC-BX40-D-I-C is a 1G SFP bi-directional optical transceiver designed for extended-range connectivity over single-mode fiber. It features an LC connector and dual-wavelength operation—typically 1490 nm for transmit and 1310 nm for receive—supporting Ethernet protocols in data centers, enterprise networks, and telecom applications.
GLC-BX40-D-I-C comes in the industry-standard SFP form factor with compact physical dimensions to facilitate easy integration into high-density optical platforms. Its capability to reach distances of up to 40 km makes it ideal for long-haul links while maintaining energy efficiency and reliable performance in mission-critical infrastructures.
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| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1490/1310 nm | 850 nm | 1310/1490 nm | 1310/1490 nm | 1490/1550 nm |
| Transmission Distance | Extended-Range | Short-Range | Long-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 2200 m | 10 km | 40 km | 60 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Power Consumption | N/A | 1.5 W | N/A | N/A | N/A |
| Operating Temperature | 0 to 70°C | 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 | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco | Cisco | Cisco | Cisco |
| Product Name | GLC-BX40-D-I-C | Cisco GLC-SX-MMD-C 1000BASE-SX SFP Transceiver | Cisco GLC-BX-D-I-C | GLC-BX35-U40-C | Cisco GLC-BX-D60-C |
| Height | 0.4 inches | 0.67 inches | N/A | 0.3 inches | N/A |
| Width | 1.45 inches | 1.41 inches | N/A | 0.57 inches | N/A |
| Depth | 0.83 inches | 2.31 inches | N/A | 1.1 inches | N/A |
| Weight | 0.1 lbs | 0.10 lbs | N/A | 0.1 lbs | N/A |
Stable 40km industrial downstream. Excellent reach and temperature tolerance for remote field operations.
Consistent 1490nm performance. These rugged transceivers handle the stressors of our industrial nodes.
Exceptional long-range reliability. Ideal for single-fiber links in unconditioned telecommunications cabinets.
Professional grade. Integration was smooth and the link stability has been flawless across distances.
Trustworthy industrial hardware. Provides steady throughput and high reliability for our regional networks.
Highly recommended. A dependable solution for long-range single-fiber networking in demanding settings.
Superior signal integrity. These modules maintain a rock-solid link despite extreme external temperatures.
Consistent and robust. The best way to achieve 40km reach in industrial environments.
The GLC-BX40-D-I-C is a Cisco-compatible, 1 Gbps SFP transceiver for single-fiber links up to 40 km.
It supports transmission distances up to 40 km over single-mode fiber with a single strand.
This module requires single-mode fiber (SMF) with SC connectors for optimal performance.
It operates at 1490 nm for downstream and 1310 nm for upstream, enabling bidirectional single-fiber communication.