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GLC-ZX-SM
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1000BASE-ZX SFP
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
GLC-ZX-SM
- Description:
- 1000BASE-ZX SFP
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0821455011287
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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3 Year Extended Warranty
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Since 2016, Enterprise-Trusted
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150K+SKUs Available
GLC-ZX-SM Overview
GLC-ZX-SM is a high-performance SFP transceiver module engineered for long-range single-mode fiber communications, delivering a data rate of 1G over Ethernet networks. Designed with an LC connector and operating at a 1310 nm wavelength, this module provides connectivity solutions for data centers, enterprise networks, and telecom applications where extended reach is critical.
This compact SFP transceiver boasts a standard form factor with proven compatibility across major networking platforms such as Cisco, Juniper, Huawei, and Arista. Its robust design supports long-range transmission of up to 70 km over single-mode fiber, making it ideal for reliable, extensive network deployments in diverse operational environments.
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GLC-ZX-SM Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 70 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 1.5 W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- GLC-ZX-SM
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Product Comparison Table 
| GLC-ZX-SM |  DWDM-SFP-5898 |  DWDM-SFP-4214 | |
|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP |
| Data Rate | 1G | 10G | 1G |
| Connector Type | LC | LC | LC |
| Wavelength | 1310 nm | 1310 nm | 1550 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode |
| Max Distance | 70 km | 80 km | 80 km |
| Supported Protocols | Ethernet | Ethernet, SONET | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber |
| Power Consumption | 1.5 W | 3.5W | 3.5 W |
| Operating Temperature | 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 |
| Input Voltage | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | GLC-ZX-SM | DWDM-SFP-5898 | DWDM-SFP-4214 |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Malik Blake
5
1000BASE-ZX SFP delivers long-range fiber connectivity with reliable performance. Excellent for enterprise and campus deployments.
S
Selena Pierce
5
Durable module with consistent throughput and minimal latency.
T
Troy Frost
5
Professional-grade optics ideal for backbone networks.
I
Isla Kane
5
Stable performance under full load. Reliable long-distance solution.
H
Harlan Rowe
5
Easy to install and maintain in enterprise environments.
Questions & Answers
What is the 1000BASE-ZX SFP (SKU: GLC-ZX-SM)?
The 1000BASE-ZX SFP (SKU: GLC-ZX-SM) is an MSA-compliant, Gigabit Ethernet small-form-factor pluggable transceiver for long-haul single-mode fiber links up to 120 km at 1550 nm.
What is the maximum transmission distance of the GLC-ZX-SM module?
The GLC-ZX-SM supports a maximum link distance of up to 120 kilometers over single-mode fiber.
On what wavelength does the 1000BASE-ZX SFP operate?
The 1000BASE-ZX SFP transmits and receives optical signals at a nominal wavelength of 1550 nanometers.
Which fiber type is compatible with GLC-ZX-SM?
GLC-ZX-SM is designed for use with ITU-T-compliant single-mode fiber (SMF) with a core diameter of 9 µm.
Is the 1000BASE-ZX SFP hot-pluggable?
Yes, the GLC-ZX-SM is fully hot-pluggable and can be inserted or removed without powering down the host device.
Which networking devices support the GLC-ZX-SM?
Any switch, router or transport equipment with an MSA-compliant SFP port—such as Cisco Catalyst, Nexus or third-party Ethernet platforms—supports the GLC-ZX-SM.
Does the GLC-ZX-SM support digital diagnostics monitoring (DDM)?
Yes, it features IEEE 802.3z-compliant digital diagnostics monitoring for real-time access to temperature, voltage, laser bias and optical power levels.
What are the operating temperature specifications?
The GLC-ZX-SM operates over a commercial temperature range of 0 °C to 70 °C (32 °F to 158 °F).
What are the power requirements for the 1000BASE-ZX SFP?
The module requires a single 3.3 V supply and consumes less than 1 W of power during normal operation.
What connector type does the GLC-ZX-SM use?
The GLC-ZX-SM utilizes a duplex LC optical connector for both transmit and receive functions.
Which industry standards does the 1000BASE-ZX SFP comply with?
It is fully compliant with IEEE 802.3z, SFF-8472 (DDM) and the SFP MSA for interoperability.
How do I install the GLC-ZX-SM module?
Ensure the host port is powered on, align the LC connectors, insert the module until the latch clicks, and verify link status via the host device.
What applications is the GLC-ZX-SM ideal for?
It is ideal for long-haul campus backbones, metropolitan area networks, cable TV head-ends and inter-data-center links.
Is the 1000BASE-ZX SFP RoHS-compliant?
Yes, the module meets EU RoHS Directive 2011/65/EU requirements for hazardous substances.
What are the optical power and receiver sensitivity specifications?
Transmit power ranges from –5 to +0 dBm, and receiver sensitivity is typically –24 dBm for BER ≤10⁻¹².
What warranty is provided with the GLC-ZX-SM?
The module includes a one-year limited warranty covering manufacturing defects.
How does 1000BASE-ZX differ from 1000BASE-LX?
1000BASE-ZX extends reach up to 120 km at 1550 nm, whereas 1000BASE-LX supports up to 10 km at 1310 nm over single-mode fiber.