• Cisco GLC-SX-MMD SFP module with gold contacts and black casing
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Cisco

Cisco GLC-SX-MMD | 1G SFP Transceiver, 850nm MMF, DOM, EXT Temp

GLC-SX-MMD

$463.10 inc. GST
$421.00 ex. GST
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26 in stock

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Description

This 1000BASE-SX SFP transceiver is part of the Cisco SFP Modules for Gigabit Ethernet range. It is designed for short-reach Gigabit Ethernet uplinks and aggregation over multimode fibre within buildings and campuses, linking Cisco switches and routers to the wider network.

The module complies with IEEE 802.3z and operates at 1 Gbps on an 850 nm wavelength using a dual LC/PC connector. Reach is up to 550 m on 50 µm OM2 multimode fibre and up to 1000 m on OM3, OM4 and OM5. It also supports 220 m on 62.5 µm FDDI-grade fibre and 275 m on 62.5 µm OM1. Digital Optical Monitoring is supported, and the extended temperature rating covers -5 to 85 °C, which suits cabinets and installations that run warmer than a typical office environment.

The module is hot-swappable and is supported across a wide range of Cisco platforms, including Catalyst 2960, 3560, 3750, 3850, 4500 and 9000 class switches, ISR and ASR routers, IE series, Nexus and MDS 9000. Check the Cisco SFP Compatibility Matrix for the supported software release on your platform.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Hot-swappable for easy servicing and minimal downtime
- Port-by-port flexibility of media and interface choice
- Digital Optical Monitoring per SFF-8472 for optical power, temperature, laser bias current and supply voltage
- Extended temperature operation from -5 to 85 °C
- Can be mixed with other 1000BASE-T, LX/LH, EX, ZX and BX10 SFPs on a port-by-port basis
- Interoperates with other IEEE 802.3z 1000BASE-SX modules

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

View full details

specs-tabs

Technical Specifications

Also Known As

Replaces (older part numbers)

FAQs

Technical Specifications

- Standard: IEEE 802.3z 1000BASE-SX
- Data rate: 1 Gbps
- Wavelength: 850 nm
- Fibre type: Multimode fibre (MMF)
- Connector: Dual LC/PC
- Reach on 62.5 µm FDDI-grade (160 MHzkm): 220 m
- Reach on 62.5 µm OM1 (200 MHzkm): 275 m
- Reach on 50 µm 400/400 (400 MHzkm): 500 m
- Reach on 50 µm OM2 (500 MHzkm): 550 m
- Reach on 50 µm OM3 (2000 MHzkm): 1000 m
- Reach on 50 µm OM4 and OM5 (4700 MHzkm): 1000 m
- Transmit power range: -3 to -9.5 dBm
- Receive power range: 0 to -17 dBm
- Transmit and receive wavelength range: 770 to 860 nm
- Digital Optical Monitoring (DOM): Yes
- Operating temperature: -5 to 85 °C (EXT)
- Storage temperature: -40 to 85 °C
- Dimensions (H x W x D): 8.5 x 13.4 x 56.5 mm
- Power consumption: up to 1 W
- Laser safety: Class I (21CFR1040, IEC 60825-1)
- Minimum cable distance: 2 m

Also Known As

GLC-SX-MMD=

Replaces (older part numbers)

GLC-SX-MM

FAQs

Q: What fibre does this SFP need?
A: It runs over multimode fibre at 850 nm with LC connectors. Reach is up to 550 m on 50 µm OM2 and up to 1000 m on OM3, OM4 and OM5.

Q: Does it support Digital Optical Monitoring?
A: Yes. DOM per SFF-8472 reports optical output and input power, temperature, laser bias current and supply voltage.

Q: What does the EXT temperature rating mean?
A: The module is rated for operation from -5 to 85 °C, a wider range than standard commercial SFPs.

Q: Which Cisco platforms does it work with?
A: It is supported across many Cisco Catalyst switches, ASR and ISR routers, IE series, Nexus and MDS 9000 platforms. Check the Cisco SFP Compatibility Matrix for the supported software release on your platform.

Q: Is this the same module as SFP-1G-SX?
A: No. GLC-SX-MMD is the 1000BASE-SX module for Gigabit ports, while SFP-1G-SX is a separate module for 10G-capable ports.

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