Manufacturer: Cisco Systems, Inc.
Product Series: Cisco SFP Transceiver Modules
Model: GLC-LH-SMD
Part Number: GLC-LH-SMD
GTIN/EAN: 5711045836459 / 5711045836459
Product Type: Optical 1GBase-LX/LH Transceiver Module, SFP

Form Factor:
- SFP (Small Form-factor Pluggable), also known as Mini-GBIC

Data Rate:
- 1 Gbps (1000BASE-LX/LH)
- Full Duplex

Transmission Standard:
- IEEE 802.3z 1000BASE-LX/LH

Wavelength:
- 1,310 nm

Fiber Type:
- Single-mode fiber (SMF, 9/125 µm, OS1/OS2)
- Multimode fiber (MMF, 50/125 µm or 62.5/125 µm,
OM1/OM2/OM3)

Maximum Transmission Distance:
- Up to 10 km over single-mode fiber (SMF, 9/125 µm)
- Up to 550 m over multimode fiber (MMF, 50/125 µm)
- Up to 550 m over multimode fiber (MMF, 62.5/125 µm)
- Depending on fiber quality, attenuation, and environmental conditions

Connector Type:
- LC Duplex

Transmit Power:
- Typically in the range of approx. -9.5 to -3 dBm
- Specification depends on Cisco datasheet

Sensitivity:
- Typically approx. -20 dBm or better
- Specification depends on Cisco datasheet

Power Consumption:
- Typically approx. ≤ 1.0 W
- Low power consumption for SFP ports

Hot-Plug Capability:
- Yes

Digital Optical Monitoring (DOM):
- Yes (real-time monitoring of temperature, transmit power,
receive power, bias current, etc.)

Temperature Range:
- Operating temperature: 0 °C to 70 °C (depending on platform)
- Storage temperature: -40 °C to 85 °C

Certifications and Compliance:
- CE
- FCC
- RoHS compliant
- WEEE compliant

Compatibility (Selection):
- Cisco Catalyst 2960, 2960-X, 2960-XR, 2960-L, 2960-S
- Cisco Catalyst 3560, 3650, 3750, 3750-X, 3850
- Cisco Catalyst 4500E, 4500-X
- Cisco Catalyst 6500, 6800
- Cisco Catalyst 9200, 9300, 9400, 9500, 9600
- Cisco ISR 1000, 4000, 5000 Series Routers
- Cisco ASR 1000 Series Routers
- Cisco Firepower / ASA Firewalls with SFP ports
- Cisco Meraki MS Series (with compatible SFPs)
- Other Cisco devices with SFP slots and 1GBase-LX/LH
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