Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

• Interface – Standard hot‑swappable SFP form factor.

• Data rate – Supports 1 Gbps (1000BASE‑SX) Ethernet.

• Medium – Multimode fiber (MMF).

• Distance –

  • Up to 220 m over 62.5 µm MMF.

  • Up to 550 m over 50 µm MMF.

• Wavelength – 850 nm laser.

• Compatibility – Works with Cisco Catalyst, Nexus, ISR, and ASR platforms supporting SFP slots.

• Hot-swappable – Insert/remove without rebooting the device.

• Power consumption – ~1W typical.

• Standards – IEEE 802.3z compliant.

• Use cases – Short‑range fiber uplinks in campus LANs and data centers.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

The Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module is a Gigabit Ethernet fiber-optic transceiver designed for compatible Cisco networking equipment. It provides a reliable way to connect switches, routers and other network devices over multimode fiber infrastructure.

Operating at the 850 nm wavelength, the GLC-SX-MMD is designed for short-range Gigabit Ethernet fiber connections. The module uses a compact SFP form factor and a duplex LC connector, making it suitable for enterprise LANs, campus networks, server rooms and other fiber-based installations.

The Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module price in Kenya is KSh 9,000, providing a practical option for organizations expanding compatible Gigabit fiber connectivity.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module price in Kenya

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module key specifications

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module design and build

• Compact SFP form factor designed for compatible networking equipment.
• Duplex LC connector provides a standard fiber-optic interface.
• Designed specifically for Gigabit Ethernet fiber connections.
• Supports multimode fiber infrastructure.
• Removable module design makes installation and replacement convenient.
• Suitable for enterprise switches, routers and other compatible network equipment.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module features and performance

• 1000BASE-SX support: Provides Gigabit Ethernet connectivity over multimode fiber.
• 850 nm wavelength: Designed for short-range optical networking.
• Gigabit-class performance: Supports a 1.25 Gbps signaling rate for compatible network connections.
• Multimode fiber support: Works with suitable multimode fiber cabling.
• Duplex LC connection: Provides separate transmit and receive paths through the fiber link.
• Short-distance networking: Suitable for connections within buildings, server rooms and campus environments.
• Digital Optical Monitoring: DOM support can provide information about supported optical operating parameters when used with compatible equipment.
• Modular SFP design: Allows compatible network equipment to use a fiber-optic interface without replacing the entire device.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module connectivity and compatibility

• Uses a duplex LC fiber-optic connector.
• Designed for 1000BASE-SX Gigabit Ethernet connections.
• Requires compatible multimode fiber cabling.
• Operates at an 850 nm optical wavelength.
• Designed for use with compatible Cisco switches, routers and other networking equipment.
• Maximum transmission distance depends on the multimode fiber specification and installation.
• Compatibility should be checked against the specific Cisco networking device before deployment.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module ideal use cases

• Enterprise LAN fiber connections.
• Data-center and server-room networking.
• Campus network infrastructure.
• Switch-to-switch fiber connections.
• Building-level network links.
• Short-distance Gigabit Ethernet deployments.
• Network upgrades using existing multimode fiber.
• Replacement of a compatible Cisco Gigabit SFP module.

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module pros and cons

FAQs

How much is the Cisco GLC-SX-MMD in Kenya?

The listed Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module price in Kenya is KSh 9,000.

What is the Cisco GLC-SX-MMD used for?

The GLC-SX-MMD is used to provide Gigabit Ethernet connectivity over compatible multimode fiber networks.

What fiber does the GLC-SX-MMD use?

The module is designed for multimode fiber (MMF).

What wavelength does the Cisco GLC-SX-MMD use?

The GLC-SX-MMD operates at an 850 nm wavelength, which is commonly used for short-range multimode fiber networking.

What connector does the GLC-SX-MMD use?

It uses a duplex LC fiber-optic connector for transmit and receive connections.

What speed does the Cisco GLC-SX-MMD support?

The module supports 1000BASE-SX Gigabit Ethernet and has a 1.25 Gbps signaling rate.

What is the maximum distance of the GLC-SX-MMD?

The maximum supported distance can reach up to 550 metres with suitable multimode fiber, depending on the fiber specification and network installation.

Can the GLC-SX-MMD be used with single-mode fiber?

The GLC-SX-MMD is designed primarily for multimode fiber and should not be treated as a standard long-distance single-mode SFP. For single-mode applications, an appropriate 1000BASE-LX/LH or other compatible transceiver should be selected.

Can the GLC-SX-MMD be used in a Cisco switch?

Yes, provided the Cisco switch has a compatible SFP port and supports the GLC-SX-MMD or the appropriate 1000BASE-SX transceiver specification.

Is the Cisco GLC-SX-MMD a copper SFP?

No. The GLC-SX-MMD is a fiber-optic SFP transceiver. It uses an LC fiber connection rather than an RJ-45 copper connection.

Conclusion

The Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module is designed to provide reliable Gigabit Ethernet connectivity over multimode fiber. Its 850 nm wavelength, duplex LC connector and compact SFP design make it suitable for short-range enterprise, campus and data-center network connections.

At KSh 9,000, the Cisco GLC-SX-MMD is a practical networking component for organizations that need compatible 1000BASE-SX fiber connectivity for their Cisco network infrastructure.