Overview: Cisco GLC-SX-MMD
The Cisco GLC-SX-MMD is a Gigabit Ethernet transceiver module designed for short-range connections. It uses multi-mode fiber (MMF) for transmission, providing a range of up to 550 meters at 1 Gbps. This module is optimized for high-performance, cost-effective, short-range Ethernet connections. It is ideal for use in environments such as data centers, LANs, and enterprise network setups requiring high-speed data transfer over moderate distances.
Key Features (GLC-SX-MMD)
- Data Rate: 1 Gbps for Gigabit Ethernet.
- Multi-Mode Fiber Support: Compatible with multi-mode fiber (MMF) for short-range distances (up to 550 meters).
- Wavelength: 850 nm for optimal performance over multi-mode fiber.
- Connector Type: LC Duplex connector.
- Hot-Swappable: Can be replaced or upgraded without disrupting network operations.
- Standards Compliance: Fully compliant with IEEE 802.3z standards.
- Range: Supports distances up to 550 meters.
Applications (GLC-SX-MMD)
- Enterprise LANs: Perfect for short-range Ethernet connections in enterprise networks.
- Data Centers: Enables high-speed connections between switches, servers, and storage devices within data centers.
- Local Area Networks: Ideal for interconnecting network equipment within small to medium-sized office networks.
Why Choose Cisco GLC-SX-MMD?
- Short-Range Connectivity: Perfect for high-speed data transfer over moderate distances with multi-mode fiber.
- Hot-Swappable: Quick and easy installation and replacement with minimal network disruption.
- Cost-Effective: Suitable for budget-conscious deployments without compromising on performance.
- Reliability: Trusted Cisco quality for robust network infrastructure.
Specifications Table
| Specification | Cisco GLC-LH-SM | Cisco GLC-SX-MMD |
|---|---|---|
| Data Rate | 1 Gbps (Gigabit Ethernet) | 1 Gbps (Gigabit Ethernet) |
| Fiber Type | Single-Mode Fiber (SMF) | Multi-Mode Fiber (MMF) |
| Wavelength | 1310 nm | 850 nm |
| Connector Type | LC Duplex | LC Duplex |
| Transmission Distance | Up to 10 km | Up to 550 m |
| Hot-Swappable | Yes | Yes |
| Compliance | IEEE 802.3z | IEEE 802.3z |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) | -40°C to 85°C (-40°F to 185°F) |
| Power Consumption | < 1W | < 1W |
| Dimensions | Standard SFP form factor | Standard SFP form factor |
| Weight | Approximately 30 g | Approximately 30 g |
Comparison of CISCO GLC-LH-SM vs CISCO GLC-SX-MMD SFP Transceivers
CISCO GLC-LH-SM
- Type: Gigabit Ethernet SFP
- Wavelength: 1310nm
- Distance: Up to 10 km over single-mode fiber
- Connector: LC
- Data Rate: 1 Gbps
- Optical Fiber Type: Single-mode fiber (SMF)
- Application: Ideal for long-distance connections in enterprise networks, connecting switches, routers, and other devices across large networks.
- Power Consumption: Low power consumption for efficiency.
- Compatibility: Compatible with Cisco switches and routers, designed for compatibility with various Cisco devices.
CISCO GLC-SX-MMD
- Type: Gigabit Ethernet SFP
- Wavelength: 850nm
- Distance: Up to 550 meters over multi-mode fiber
- Connector: LC
- Data Rate: 1 Gbps
- Optical Fiber Type: Multi-mode fiber (MMF)
- Application: Best for short-range connections in data centers and enterprise environments, typically used for intra-building connectivity.
- Power Consumption: Low power consumption.
- Compatibility: Fully compatible with Cisco switches and routers, supporting enhanced features for multi-mode fiber applications.
Comparison Table:
| Feature | CISCO GLC-LH-SM | CISCO GLC-SX-MMD |
|---|---|---|
| Type | Gigabit Ethernet SFP | Gigabit Ethernet SFP |
| Wavelength | 1310nm | 850nm |
| Distance | Up to 10 km (Single-mode fiber) | Up to 550 meters (Multi-mode fiber) |
| Connector | LC | LC |
| Data Rate | 1 Gbps | 1 Gbps |
| Optical Fiber Type | Single-mode fiber (SMF) | Multi-mode fiber (MMF) |
| Application | Long-range connections, large networks | Short-range, intra-building connectivity |
| Power Consumption | Low power consumption | Low power consumption |
| Compatibility | Compatible with Cisco switches and routers | Compatible with Cisco switches and routers |
Key Differences:
- Wavelength & Fiber Type: The GLC-LH-SM uses a 1310nm wavelength for single-mode fiber, enabling longer-distance connections (up to 10 km), whereas the GLC-SX-MMD uses 850nm for multi-mode fiber, supporting shorter distances (up to 550 meters).
- Distance: The GLC-LH-SM supports long-distance connectivity, while the GLC-SX-MMD is designed for shorter-range applications, typical in data centers or between devices within the same building.
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