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Small rectangular silver transceiver module with two LC ports and a black latch

Cisco Systems, Inc.

Cisco GLC-LH-SMD= 1000BASE-LX/LH SFP transceiver 1310nm 6.2 miles

SKU CH-VY9W-YRSKV

Hot-swappable SFP transceiver delivers 1 Gbps over single-mode fibre at 1310 nm up to 6.2 miles

  • Port count1 x Ethernet 1000Base-LX / 1000Base-LH - LC/PC single-mode x
  • Product typeTransceiver
  • Supported standardsIEEE 802.3z
  • Optical wavelength1310 nm
  • Supported protocolsTCP/IP
  • Maximum range6.2 miles
  • 1 Gbps throughput for Gigabit Ethernet links
  • 1310 nm wavelength on single-mode fibre
  • 2 mile reach for campus and metro spans
  • Hot-swappable SFP fits Cisco 38XX, 39XX, 4451 and Catalyst 3560, 3650, 3750
  • IEEE 802.3z compliant for multi-vendor interoperability

Cisco GLC-LH-SMD SFP Transceiver

The Cisco GLC-LH-SMD is a hot-swappable SFP transceiver module designed for Gigabit Ethernet links over single-mode fibre. It operates at a 1310nm wavelength and supports distances up to 6.2 miles. The module complies with the IEEE 802.3z standard and uses dual LC/PC connectors. It is built for network engineers extending campus or metro LAN segments.

Upgrading from copper or short-reach optics

This transceiver replaces 1000BASE-T copper uplinks or 1000BASE-SX multimode modules when the link distance exceeds their reach. The jump is worth it when you need to bridge buildings or floors across single-mode infrastructure up to 6.2 miles. It also allows intermixing with other 1000BASE variants on a port-by-port basis within the same chassis.

Check switch compatibility and fibre plant

Verify that your Cisco switch or router model appears in the supported list, which includes Catalyst 29XX, 3560, 3650, 3750, 4500 and 6900 series as well as ISR 38XX, 39XX, 4451 and 892 platforms. Ensure your patch cables are single-mode with LC/PC connectors and that the link budget matches the 1310nm specification.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $691.99
Pricier than about 89% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand nameCISCO
Model nameGLC-LH-SMD=
Product typeTransceiver
Performance
Transfer speed1 Gbit/s
Connectivity
Supported standardsIEEE 802.3z
Optical wavelength1310 nm
Supported protocolsTCP/IP
Maximum range6.2 miles
Ports & slots
Port count1 x Ethernet 1000Base-LX / 1000Base-LH - LC/PC single-mode x 2
Size & build
Product dimensions0.3 in × 0.5 in × 2.2 in
Product weight0.17 lb (0.08 kg)
Shipping weight0.01 kg
Package size147 × 132 × 1 mm

Questions about this item

What slot size and fiber connector does the GLC-LH-SMD= use?

The module uses the standard SFP form factor measuring 0.30" x 0.50" x 2.20" and terminates in dual LC/PC single-mode connectors.

How do I install the transceiver without damaging the LC connectors?

Remove the dust caps, insert the module until it clicks, then attach the fiber cables straight into the LC ports to avoid bending the ferrules.

When should I plan to replace this transceiver?

Replace the unit if the Digital Optical Monitoring reports declining Tx power or rising Rx errors, or after a link fails to establish over known-good 1310 nm single-mode fiber at 6.2 miles.

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