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GLC-BX-U
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1000BASE-BX SFP, 1310NM
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GLC-BX-U
- Description:
- 1000BASE-BX SFP, 1310NM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 662752054610
- Condition:
- Warranty:
- 3
- List Price:
$1,534.00
- Price:
$757.0050.7% off
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1
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GLC-BX-U Overview
GLC-BX-U is a SFP fiber optic transceiver that supports 1G Ethernet operation. Designed with an LC connector and built for single-mode fiber, it enables long-range transmission over distances up to 10 km while supporting Ethernet protocols in a compact SFP form factor.
GLC-BX-U offers robust performance with precise physical dimensions that simplify integration into networking equipment. Its reliable design makes it ideal for use in data centers, enterprise networks, and telecom environments where efficient and stable data communications are paramount.
GLC-BX-U price is $757.00, a 50.7% saving from the Cisco list price of $1,534.00. GLC-BX-U is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-BX-U for additional pricing. Browse the full Sfp series or explore all Cisco products.
GLC-BX-U Specifications
- Product Type
- Transceiver
- Connector Type
- LC
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Form Factor
- SFP
- Data Rate
- 1G
- Compatibility
- Cisco
- Height
- 0.33 inches
- Power Consumption
- 1.5W
- Weight
- 0.04 lbs
- Width
- 0.53 inches
- Depth
- 2.22 inches
- Wavelength
- 1490/1310 nm
- Product Name
- GLC-BX-U 1000BASE-BX SFP Transceiver
GLC-BX-U Use Case
Data Center Interconnect over Single-Fiber 10 km Link
In hyperscale data centers requiring fiber conservation, the GLC-BX-U-1000BASE-BX SFP, 1310 nm establishes a reliable 1 Gbps link over a single-mode fiber up to 10 km. This bi-directional module reduces cabling complexity and deployment costs while delivering low-latency, high-availability uplinks between core and aggregation switches.
Metro Ethernet Backhaul for Telecom Operators
For telecom providers extending Gigabit Ethernet services across urban infrastructures, the GLC-BX-U-1000BASE-BX SFP, 1310 nm enables 10 km backhaul over existing single-fiber networks. Its compact form factor and IEEE 802.3ah compliance ensure scalable, low-footprint deployments that optimize network capacity and maximize service uptime.
Enterprise Branch Office Connectivity with Single-Fiber WAN
In geographically distributed enterprises, the GLC-BX-U-1000BASE-BX SFP, 1310 nm secures WAN links between remote sites and headquarters over a single strand of single-mode fiber. The module delivers up to 1 Gbps throughput with minimal power consumption, simplifying fiber management and driving efficient branch office connectivity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-BX-U |  GLC-ZX-SM-RGD |  GLC-SX-MMD |  SFP-OC48-SR |  GLC-BX80-D-I= | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | OC-48 | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1490/1310 nm | 1550 nm | 850 nm | 1310nm | 1490nm (Tx) / 1310nm (Rx) |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 80 km | 220 meters | 10 km | 80 km |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | SONET, OC-48 | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Optical Fiber | Fiber |
| Power Consumption | 1.5W | 1.2W | 1.0 W | 3.5 W | 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, Juniper, Huawei, Arista | Cisco |
| Product Name | GLC-BX-U 1000BASE-BX SFP Transceiver | GLC-ZX-SM-RGD | GLC-SX-MMD | SFP-OC48-SR | Cisco GLC-BX80-D-I= |
| Height | 0.33 inches | 0.3 inches | N/A | 0.33 inches | N/A |
| Width | 0.53 inches | 0.87 inches | N/A | 2.17 inches | N/A |
| Depth | 2.22 inches | 1.75 inches | N/A | 1.18 inches | N/A |
| Weight | 0.04 lbs | 0.1 lbs | N/A | 0.08 lbs | N/A |
Reviews & Ratings
H
Hiba Younis
4
Worked perfectly with matching BX module.
L
Lars Petersen
5
Stable long term operation.
S
Shan Ali
5
Good performance.
R
Rebecca Holt
5
Recommended.
Questions & Answers
What is the GLC-BX-U 1000BASE-BX SFP transceiver with 1310 nm?
The GLC-BX-U is a single-mode, bidirectional SFP transceiver operating at 1310 nm that supports 1000BASE-BX Ethernet over a single fiber strand for distances up to 10 km.
What is the maximum transmission distance of the GLC-BX-U module?
The GLC-BX-U supports link distances up to 10 km on single-mode fiber at 1310 nm wavelength.
Which fiber type and strand count are required for the GLC-BX-U?
The GLC-BX-U requires single-mode fiber and uses a single strand for bidirectional transmission (1310 nm TX/1490 nm RX or vice versa).
What data rate does the GLC-BX-U support?
The GLC-BX-U supports a data rate of 1 Gbps (1000BASE-BX Ethernet).
Is the GLC-BX-U compatible with Cisco and third-party switches?
Yes. The GLC-BX-U is Cisco-certified and interoperable with many third-party switches that accept standard 1000BASE-BX SFP modules.
How do I install the GLC-BX-U in my network device?
Power down the port (if required), align the GLC-BX-U into the SFP slot, gently press until it clicks, then restore power and verify link status.
What connector type does the GLC-BX-U use?
The GLC-BX-U uses an SC duplex connector for single-mode fiber applications.
What is the operating temperature range of the GLC-BX-U?
The GLC-BX-U operates between 0 °C and 70 °C (32 °F to 158 °F) for standard commercial environments.
What is the power consumption of the GLC-BX-U?
The GLC-BX-U consumes a maximum of 0.8 W during normal operation.
Does the GLC-BX-U support digital diagnostics monitoring (DDM)?
Yes. The GLC-BX-U supports DDM (also known as DDMI) for real-time monitoring of temperature, voltage, bias current and optical power.
Can the GLC-BX-U be used in CWDM or DWDM systems?
No. The GLC-BX-U is designed for single-wavelength 1000BASE-BX at 1310 nm and is not CWDM/DWDM compatible.
How do I verify the status of the GLC-BX-U module?
Use your switch’s show interfaces transceiver command (e.g., "show interface gigabitEthernet x/x transceiver details") to view link status and diagnostics.
What safety and regulatory standards does the GLC-BX-U comply with?
The GLC-BX-U complies with FDA 21 CFR, EN 60825-1 Class 1 laser safety, RoHS, and lead-free solder requirements.
Does the GLC-BX-U come with a warranty?
Yes. The GLC-BX-U is backed by a one-year limited warranty covering defects in materials and workmanship.
What are the typical applications for the GLC-BX-U?
Typical uses include campus backbone links, metro Ethernet, and enterprise fiber uplinks requiring 1 Gbps over single-mode fiber.
How do I purchase or order replacement GLC-BX-U modules?
Contact your authorized reseller or order online using SKU GLC-BX-U for immediate availability and direct shipment.