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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

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Every shipment is delivered directly to your address — regardless of country or carrier.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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GLC-SX-MMD-2K-C |
Description: | 1000BASE-SX SFP MMF 1310nm E-Temp DOM Cisco Compatible |
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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN







GLC-SX-MMD-2K-C Overview
GLC-SX-MMD-2K-C is a 1G SFP optical transceiver designed for high-performance Ethernet applications. It features an LC connector and operates at an 850 nm wavelength over multi-mode fiber, delivering extended-range capabilities up to 2000 meters. The module adheres to the standard SFP form factor, making it a reliable choice for enterprise networks, data centers, and telecom infrastructures where consistent connectivity and speed are critical.
GLC-SX-MMD-2K-C is engineered for rugged performance in diverse network environments by supporting Ethernet protocols with efficient power consumption and a compliant operating temperature range of 0 to 70°C. Its compact physical dimensions and industry-standard design ensure straightforward integration with Cisco systems, providing network engineers with a trusted solution for extended fiber links without compromise.
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GLC-SX-MMD-2K-C Specifications
Product Type | Transceiver |
Form Factor | SFP |
Data Rate | 1G |
Connector Type | LC |
Wavelength | 850 nm |
Transmission Distance | Extended-Range |
Fiber Type | Multi-mode |
Max Distance | 2000 meters |
Supported Protocols | Ethernet |
Network Interface | Fiber |
Power Consumption | 1.5W |
Operating Temperature | 0 to 70°C |
Storage Temperature | -40 to 85°C |
Input Voltage | 3.3V |
Compatibility | Cisco |
Product Name | GLC-SX-MMD-2K-C |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
Form Factor | SFP+ | SFP | SFP | XFP | XFP |
Data Rate | 10G | 1G | 10G | 10G | 10G |
Connector Type | LC | LC | LC | LC | LC |
Wavelength | 850 nm | 850 nm | 1310nm | 1310 nm | 1535 nm |
Transmission Distance | Short-Range | Extended-Range | Long-Range | Long-Range | Extended-Range |
Fiber Type | Multi-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
Max Distance | 300 meters | 2000 meters | 10 km | 80 km | 82 km |
Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
Power Consumption | 2.5W | 1.5W | 3.5W | 1.5 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, Juniper, Huawei, Arista | Cisco | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | N/A |
Product Name | SS-OP-D-LC-M-1 Optical Transceiver | GLC-SX-MMD-2K-C | 407-BCBH-C High Performance 10G SFP+ Transceiver | XFP-10GE-ZR-1511-C | 10G-XFP-ERD-1535-82-C |
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