1G SFP GLC-EX-SM1550-40 40km 1550nm Duplex LC/UPC Module, Cisco

The 1G SFP GLC-EX-SM1550-40 40km 1550nm Duplex LC/UPC Module, Cisco is a SFP optical transceiver delivering 1.25Gbps over SMF. Operating at 1550nm with a Duplex LC interface, it reaches 40km and is compliant with SFF-8472 MSA Compliant, IEEE 802.3ah-2004. Built-in digital diagnostics give real-time access to operating parameters, making the module easy to deploy and maintain in enterprise access, campus, telecom edge and industrial network environments.

Product Highlights

• SFP form factor, 1.25Gbps data rate
• Wavelength: 1550nm
• Connector: Duplex LC
• Reach: up to 40km
• Fiber media: SMF
• Operating temperature: 0 to 70°C (32 to 158°F)

The 1G SFP GLC-EX-SM1550-40 40km 1550nm Duplex LC/UPC Module, Cisco is used in enterprise access, campus, telecom edge and industrial network environments, where it provides a 1.25Gbps link over SMF up to 40km. The Duplex LC interface and 1550nm optics match the standard cabling plant used in modern data halls, so existing trunks can be reused. It is interoperable with Cisco platforms and replaces the Cisco part GLC-EX-SM1550-40 directly.

Compliance: SFF-8472 MSA Compliant, IEEE 802.3ah-2004. For projects standardized on Cisco hardware, this product replaces the GLC-EX-SM1550-40 directly, with identical fit and function. Every unit's EEPROM coding and link behavior are verified on real host equipment in our lab, so what arrives at your site is ready to use.

Order this product as SFP1G-EX-55. Common models are stocked for fast dispatch. We can supply the module with neutral or customer-branded labels, and compatibility coding for a specific equipment vendor can be added at no extra process step.

Standard products are held in stock and usually ship within one to three working days. We dispatch worldwide by DHL, UPS, FedEx, TNT or EMS, and for bulk orders we arrange air or sea freight. Shipments can also be sent collect on your own courier account or delivered to your freight forwarder.

We do not ship untested stock. Each transceiver and cable is powered up in our test racks, checked for link stability, transmit power, receiver sensitivity and diagnostic readouts, and only then packed for delivery. This factory-level testing is one reason network integrators keep reordering from us year after year.

Transceivers and cables are individually protected against static and dust, then consolidated into sturdy cartons suitable for international courier shipment. For larger orders we shrink-wrap and strap cartons onto pallets. Tell us your warehouse or retail requirements and we will pack accordingly.

Because we are the factory, customization is straightforward: non-standard lengths, different jacket materials, specific polarity or breakout wiring, and compatibility programming for particular switch brands are all routine work for us. Small trial orders are accepted so you can verify quality before scaling up.