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| Model: | GLC-LH-SMD |
| Detail: | Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module for MMF and SMF, operating at 1310nm with DOM support. Supports up to 550m on MMF and 10km on SMF. Ideal for campus backbone and long-reach Gigabit Ethernet deployments. |
The Cisco GLC-LH-SMD 1000BASE-LX/LH is a transceiver module that supports both multimode fibre (MMF) and single-mode fibre (SMF) connectivity. Operating at 1310nm, it is designed for Gigabit Ethernet applications requiring longer reach compared to short-wavelength transceivers.
The GLC-LH-SMD SFP transceiver supports up to 550m on MMF and furthermore up to 10km on SMF, making it ideal for building-to-building links and campus backbone links. Additionally, it features Digital Optical Monitoring (DOM), allowing real-time checks of optical performance.
Moreover, this 1000BASE-LX/LH SFP module is compatible with a wide range of Cisco switches, routers, and network interface cards. As a result, it provides organisations with a reliable and cost-effective solution for extending Gigabit Ethernet over existing fibre infrastructure.
SFP Port Cabling Specifications | |||||
| Product | Wavelength (nm) | Fiber Type | Core Size (μm) | Modal Bandwidth (MHz* Km)*** | Operating Distance (m) |
| 1000BASE-SX | 850 | MMF | 62.5 | 160 (FDDI-grade) | 220 (722 ft) |
| 62.5 | 200 (OM1) | 275 (902 ft) | |||
| 50 | 400 (400/400) | 500 (1,640 ft) | |||
| 50 | 500 (OM2) | 550 (1,804 ft) | |||
| 50 | 2000 (OM3) | 1000 (3281 ft) | |||
| 1000BASE-LX/LH | 1310 | MMF* | 62.5 | 500 | 550 (1,804 ft) |
| 50 | 400 | 550 (1,804 ft) | |||
| 50 | 500 | 550 (1,804 ft) | |||
| SMF | -** | – | 10,000 (32,821 ft) | ||
| 1000BASE-EX | 1310 | SMF | -** | – | 40,000 (131,234 ft) |
| 1000BASE-ZX (GLC-ZX-SMD) | 1550 | SMF | – | – | Approximately 70 km depending on link loss |
| 1000BASE-BX-U | 1310 | SMF | -** | – | 10,000 (32,821 ft) |
| 1000BASE-BX-D | 1490 | SMF | -** | – | 10,000 (32,821 ft) |
Q. What is the maximum distance of the GLC-LH-SMD?
A. On single-mode fibre (SMF), the GLC-LH-SMD supports distances up to 10km. In contrast, on multimode fibre (MMF), it reaches up to 550m.
Q. Does the GLC-LH-SMD support DOM?
A. Yes. The GLC-LH-SMD features Digital Optical Monitoring (DOM), allowing real-time monitoring of optical parameters such as temperature, voltage, and optical power.
Q. What wavelength does the GLC-LH-SMD use?
A. The GLC-LH-SMD operates at 1310nm.
Q. Is the GLC-LH-SMD compatible with Cisco switches?
A. Yes. Indeed, the GLC-LH-SMD is compatible with Cisco switches, routers, and NICs supporting 1000BASE-LX/LH SFP ports.
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