Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver, Refurbished
Warranty: Lifetime
Quick answer: The Cisco GLC-SX-MMD is a 1000BASE-SX SFP optic that runs Gigabit Ethernet over multimode fiber at 850 nm, up to 550 m on OM2 and 275 m on OM1, with a duplex LC connector and DOM support. This listing is a genuine Cisco module. Resilient Tec sells it refurbished, with a lifetime warranty and free US shipping from Knoxville, TN.
Condition: Refurbished
The Cisco GLC-SX-MMD is a hot-swappable, 1000BASE-SX SFP transceiver designed for Gigabit Ethernet connectivity over multimode fiber. Featuring an LC duplex connector and digital optical monitoring (DOM) support, it provides reliable, high-performance connections for data centers, enterprise networks, and campus environments.
Key Specifications
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Data Rate: 1Gbps (Gigabit Ethernet)
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Interface: LC duplex connector
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Cable Type: Multimode fiber (MMF)
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Wavelength: 850nm
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Distance: Up to 550m on OM2 MMF, 275m on OM1 MMF
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Power Consumption: 1W
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Operating Temperature: Commercial range, 0°C to 70°C (32°F to 158°F)
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Form Factor: SFP
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Compatibility: Supports a wide range of Cisco switches and routers (e.g., Catalyst 2960, 3750, 3850 series)
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Standards: IEEE 802.3z, SFP MSA, RoHS compliant
Frequently Asked Questions
What does the "D" in GLC-SX-MMD mean?
It indicates digital optical monitoring (DOM), so the switch can report transmit and receive power and temperature. The older GLC-SX-MM has no DOM.
What fiber does it use?
Multimode fiber (OM1 to OM4) with duplex LC connectors. For single-mode fiber use a 1000BASE-LX/LH optic such as the GLC-LH-SMD.
What warranty and shipping come with it?
Resilient Tec's lifetime warranty. US standard shipping is free with no minimum, and orders typically arrive in 3 to 5 days.
You Might Also Need
Cisco GLC-SX-MMD, new
OM4 LC to LC multimode fiber cables
Cisco GLC-LH-SMD (single-mode)
All transceivers
Quick answer: The Cisco GLC-SX-MMD is a 1000BASE-SX SFP optic that runs Gigabit Ethernet over multimode fiber at 850 nm, up to 550 m on OM2 and 275 m on OM1, with a duplex LC connector and DOM support. This listing is a genuine Cisco module. Resilient Tec sells it refurbished, with a lifetime warranty and free US shipping from Knoxville, TN.
Condition: Refurbished
The Cisco GLC-SX-MMD is a hot-swappable, 1000BASE-SX SFP transceiver designed for Gigabit Ethernet connectivity over multimode fiber. Featuring an LC duplex connector and digital optical monitoring (DOM) support, it provides reliable, high-performance connections for data centers, enterprise networks, and campus environments.
Key Specifications
-
Data Rate: 1Gbps (Gigabit Ethernet)
-
Interface: LC duplex connector
-
Cable Type: Multimode fiber (MMF)
-
Wavelength: 850nm
-
Distance: Up to 550m on OM2 MMF, 275m on OM1 MMF
-
Power Consumption: 1W
-
Operating Temperature: Commercial range, 0°C to 70°C (32°F to 158°F)
-
Form Factor: SFP
-
Compatibility: Supports a wide range of Cisco switches and routers (e.g., Catalyst 2960, 3750, 3850 series)
-
Standards: IEEE 802.3z, SFP MSA, RoHS compliant
Frequently Asked Questions
What does the "D" in GLC-SX-MMD mean?
It indicates digital optical monitoring (DOM), so the switch can report transmit and receive power and temperature. The older GLC-SX-MM has no DOM.
What fiber does it use?
Multimode fiber (OM1 to OM4) with duplex LC connectors. For single-mode fiber use a 1000BASE-LX/LH optic such as the GLC-LH-SMD.
What warranty and shipping come with it?
Resilient Tec's lifetime warranty. US standard shipping is free with no minimum, and orders typically arrive in 3 to 5 days.
You Might Also Need
Cisco GLC-SX-MMD, new
OM4 LC to LC multimode fiber cables
Cisco GLC-LH-SMD (single-mode)
All transceivers