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Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

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Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

[shortdesc]
  • GBIC) transceiver module, 1000Base-SX, up to 0.6 miles, GigE, LC/PC multi-mode, 850 nm
[/shortdesc]

[specifications]

Specifications GLC-SX-MMD
Description GLC-SX-MMD is a SFP multimode fiber compatible with the IEEE 802.3z 1000BASE-SX standard, with DOM
Product Type Transceiver
Connector Dual LC/PC
Form Factor SFP
Transmit Power Range (dBm) -3 to -9.5
Receive Power Range (dBm) 0 to -17
Maximum Channel insertion loss in dB (by fiber type) 2.4 (FDDI-grade)
2.6 (OM1)
3.4 (400/400)
3.6 (OM2)
5 (OM3)
5 (OM4)
5 (OM5)
Transmit and Receive Wavelength Range (nm) 770 to 860 (850nm)
DOM Yes
Temperature Range -5°C to 85°C (23 to 185°F)
Wavelength (nm) Fiber Type Core Size (μm) Modal Bandwidth
(MHz* Km)
Operating Distance (m)
850 MMF 62.5 160 (FDDI-grade) 220 (722 ft)
200 (OM1) 275 (902 ft)
50 400 (400/400) 500 (1,640 ft)
500 (OM2) 550 (1,804 ft)
2000 (OM3) 1000 (3281 ft)
4700 (OM4) 1000 (3281 ft)
4700 (OM5) 1000 (3281 ft)

[/specifications]

The Industry Standard for MMF Gigabit Networks

The Cisco GLC-SX-MMD is a trusted and widely deployed SFP transceiver designed for Gigabit Ethernet over multimode fiber (MMF). Operating at 850 nm, it supports distances of up to 550 meters over OM2/OM3 fiber, making it the go-to solution for short-range fiber links inside buildings and campus networks.

A key advantage of this module is its DOM (Digital Optical Monitoring) support—signaled by the ā€œDā€ in its part number. DOM provides real-time monitoring of optical power levels, voltage, and temperature, helping IT teams proactively diagnose link issues and maintain uptime.

This genuine Cisco SFP is fully hot-swappable, drawing low power, and supports a commercial extended temperature range (–5 °C to 85 °C). Compliant with IEEE 802.3z and SFP MSA, it ensures seamless compatibility across Cisco Catalyst, Nexus, ASR, and ISR devices.

Technical Features

  • Speed: 1 Gbps (1000BASE-SX)
  • Reach: Up to 550 m over OM3 MMF (OM2 ā‰ˆ 220 m)
  • Wavelength: 850 nm VCSEL
  • Connector: LC duplex
  • Diagnostics: DOM (Tx/Rx power, voltage, temperature)
  • Power Consumption: ≤ 1W
  • Hot-Swappable: Yes — tool-less insertion/removal
  • Operating Temp: –5 °C to 85 °C (commercial extended)
  • Compliance: IEEE 802.3z, SFP MSA, Class 1 Laser
  • Ideal For: Enterprise wiring closets, campus switches, short-range server uplinks

For complete technical details, check the Specifications tab above.

$245.00
Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module—
$245.00

Product Information

Shipping & Returns

Description

[shortdesc]
  • GBIC) transceiver module, 1000Base-SX, up to 0.6 miles, GigE, LC/PC multi-mode, 850 nm
[/shortdesc]

[specifications]

Specifications GLC-SX-MMD
Description GLC-SX-MMD is a SFP multimode fiber compatible with the IEEE 802.3z 1000BASE-SX standard, with DOM
Product Type Transceiver
Connector Dual LC/PC
Form Factor SFP
Transmit Power Range (dBm) -3 to -9.5
Receive Power Range (dBm) 0 to -17
Maximum Channel insertion loss in dB (by fiber type) 2.4 (FDDI-grade)
2.6 (OM1)
3.4 (400/400)
3.6 (OM2)
5 (OM3)
5 (OM4)
5 (OM5)
Transmit and Receive Wavelength Range (nm) 770 to 860 (850nm)
DOM Yes
Temperature Range -5°C to 85°C (23 to 185°F)
Wavelength (nm) Fiber Type Core Size (μm) Modal Bandwidth
(MHz* Km)
Operating Distance (m)
850 MMF 62.5 160 (FDDI-grade) 220 (722 ft)
200 (OM1) 275 (902 ft)
50 400 (400/400) 500 (1,640 ft)
500 (OM2) 550 (1,804 ft)
2000 (OM3) 1000 (3281 ft)
4700 (OM4) 1000 (3281 ft)
4700 (OM5) 1000 (3281 ft)

[/specifications]

The Industry Standard for MMF Gigabit Networks

The Cisco GLC-SX-MMD is a trusted and widely deployed SFP transceiver designed for Gigabit Ethernet over multimode fiber (MMF). Operating at 850 nm, it supports distances of up to 550 meters over OM2/OM3 fiber, making it the go-to solution for short-range fiber links inside buildings and campus networks.

A key advantage of this module is its DOM (Digital Optical Monitoring) support—signaled by the ā€œDā€ in its part number. DOM provides real-time monitoring of optical power levels, voltage, and temperature, helping IT teams proactively diagnose link issues and maintain uptime.

This genuine Cisco SFP is fully hot-swappable, drawing low power, and supports a commercial extended temperature range (–5 °C to 85 °C). Compliant with IEEE 802.3z and SFP MSA, it ensures seamless compatibility across Cisco Catalyst, Nexus, ASR, and ISR devices.

Technical Features

  • Speed: 1 Gbps (1000BASE-SX)
  • Reach: Up to 550 m over OM3 MMF (OM2 ā‰ˆ 220 m)
  • Wavelength: 850 nm VCSEL
  • Connector: LC duplex
  • Diagnostics: DOM (Tx/Rx power, voltage, temperature)
  • Power Consumption: ≤ 1W
  • Hot-Swappable: Yes — tool-less insertion/removal
  • Operating Temp: –5 °C to 85 °C (commercial extended)
  • Compliance: IEEE 802.3z, SFP MSA, Class 1 Laser
  • Ideal For: Enterprise wiring closets, campus switches, short-range server uplinks

For complete technical details, check the Specifications tab above.