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Penelope Cruz
5
Incredible 120KM reach. This SFP maintains a stable link over our longest fiber runs.
GLC-EZX-SMD-C
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1000BASE-EZX SFP SMF E-Temp 1550NM 120KM DOM Cisco Compatibl...
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GLC-EZX-SMD-C
- Description:
- 1000BASE-EZX SFP SMF E-Temp 1550NM 120KM DOM Cisco Compatible
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GLC-EZX-SMD-C Overview
GLC-EZX-SMD-C is a 1G SFP optical transceiver designed for high-performance, long-distance data communication. It features an LC duplex connector, operates at a wavelength of 1310 nm, and supports Ethernet over single-mode fiber, making it ideal for extended-range applications in enterprise networks, data centers, and telecom environments.
This compact module adheres to the small form factor pluggable (SFP) standard, with precise physical dimensions and low power consumption for efficient operation. Its engineered design ensures compatibility with Cisco systems, delivering reliable transmission over distances up to 70 km while meeting strict environmental and performance specifications.
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GLC-EZX-SMD-C 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
- Wavelength
- 1310 nm
- Fiber Type
- Single-mode
- Depth
- 1.75 inches
- Transmission Distance
- Extended-Range
- Form Factor
- SFP
- Data Rate
- 1G
- Compatibility
- Cisco
- Weight
- 0.03 lbs
- Max Distance
- 70 km
- Height
- 0.65 inches
- Power Consumption
- 1.2 W
- Width
- 0.95 inches
- Product Name
- GLC-EZX-SMD-C
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-EZX-SMD-C |  GLC-LH-SM-C |  GLC-BX-U120-C |  GLC-BX-D80-C |  GLC-ZX-SM-C | |
|---|---|---|---|---|---|
| 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 | 1310 nm | 1310 nm | 1490 nm Tx / 1310 nm Rx | 1310/1490 nm | 1310 nm |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 70 km | 10 km | 20 km | 10 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.2 W | 1.2W | N/A | N/A | 1.5W |
| 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-EZX-SMD-C | Cisco GLC-LH-SM-C | GLC-BX-U120-C Bidirectional SFP Transceiver | Cisco GLC-BX-D80-C | Cisco GLC-ZX-SM-C SFP Transceiver |
| Height | 0.65 inches | N/A | N/A | N/A | N/A |
| Width | 0.95 inches | N/A | N/A | N/A | N/A |
| Depth | 1.75 inches | N/A | N/A | N/A | N/A |
| Weight | 0.03 lbs | N/A | N/A | N/A | N/A |
Reviews & Ratings
Q
Quentin Tarantino
4
Reliable ultra-long-haul connectivity. The 1550nm signal stays strong and consistent.
R
Ryan Gosling
4
Excellent EZX compatibility. It solved our long-distance networking challenges with rock-solid stability.
S
Scarlett Johansson
4
Professional grade transceiver for extreme distances. Dependable performance in our core backbone.
T
Tom Hardy
5
Consistent signal integrity over 120KM. A high-quality solution for site-to-site links.
U
Uma Thurman
5
Exceptional long-range stability. This module integrated flawlessly into our Cisco transport network.
V
Val Kilmer
5
Strong performance for regional connectivity. Reliable, durable, and very easy to manage.
W
Whoopi Goldberg
5
Dependable ultra-long-distance fiber link. It provides the uptime we need for remote sites.
Questions & Answers
What is the GLC-EZX-SMD-C 1000BASE-EZX SFP module?
The GLC-EZX-SMD-C is a Cisco-compatible 1000BASE-EZX SFP transceiver designed for single-mode fiber with a 1550 nm wavelength and 120 km reach, featuring extended temperature range and digital optical monitoring (DOM).
Which fiber type does the GLC-EZX-SMD-C support?
It supports single-mode fiber (SMF) optimized for long-haul links up to 120 km at 1550 nm wavelength.
What data rate does the GLC-EZX-SMD-C deliver?
This SFP transceiver delivers gigabit Ethernet performance at 1 Gbps (1000BASE-EZX).
Is the GLC-EZX-SMD-C compatible with Cisco switches and routers?
Yes, it is fully compatible with Cisco hardware and interoperable with any third-party device that accepts Cisco-style SFP modules.
What is the operating temperature range of the GLC-EZX-SMD-C?
It operates in extended temperature environments from –40 °C to +85 °C for industrial and outdoor deployments.
Does the GLC-EZX-SMD-C support Digital Optical Monitoring (DOM)?
Yes, it features DOM for real-time monitoring of optical parameters such as transmit power, receive power, temperature, and voltage.
How far can the GLC-EZX-SMD-C transmit over single-mode fiber?
It supports link lengths up to 120 km over standard single-mode fiber at 1550 nm.
What wavelength does the GLC-EZX-SMD-C use?
The transceiver operates at a 1550 nm wavelength, ideal for long-distance single-mode fiber links.
How do I install the GLC-EZX-SMD-C in my network device?
Simply insert the module into a compatible SFP port until it clicks, then connect your single-mode fiber cable to the LC duplex connector.
Can I hot-swap the GLC-EZX-SMD-C in active networks?
Yes, the SFP is hot-pluggable, allowing insertion and removal without powering down the host device.
What protocols does the GLC-EZX-SMD-C support?
It supports IEEE 802.3z 1000BASE-EZX for gigabit Ethernet and is backward-compatible with auto-negotiation features.
What power requirements does the GLC-EZX-SMD-C have?
The module requires a supply voltage of 3.3 V and consumes less than 1 W of power.
Is there a warranty for the GLC-EZX-SMD-C transceiver?
Yes, it includes a standard one-year warranty covering manufacturing defects and performance compliance.
What are the dimensions of the GLC-EZX-SMD-C SFP module?
The SFP transceiver measures approximately 56.5 mm x 13.4 mm x 8.5 mm, fitting standard SFP form-factor slots.
How do I verify DOM readings on the GLC-EZX-SMD-C?
Use your switch or router CLI command (e.g., show interface transceiver details) to display real-time DOM parameters.
What applications are ideal for the GLC-EZX-SMD-C?
It is ideal for long-reach campus backbones, metro Ethernet, and carrier-grade networks requiring extended temperature tolerance.