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Cisco GLC-LX-SM-RGD Compatible Industrial 1000BASE-LX SFP
Extend a Cisco-compatible 1GbE fibre link up to 10km with a rugged 1310nm LC duplex SFP rated for -40°C to 85°C operation.

1000BASE-LX Gigabit Ethernet
Delivers a verified 1GbE optical link with a 1.25Gbps line rate for compatible SFP networking equipment.
1310nm LC duplex
Matches single-mode fibre links using the specified wavelength and connector type.
Reach: Up to 10km
Designed for the stated maximum distance when installed with the correct fibre type and within the network's optical budget.
DDM and hot-swap support
Digital Diagnostics Monitoring is yes and the module is hot-swappable in compatible equipment.
Why this model fits the job
Extend a Cisco-compatible 1GbE fibre link up to 10km with a rugged 1310nm LC duplex SFP rated for -40°C to 85°C operation. The design focuses on the exact connector, signalling and compatibility requirements shown in the current StarTech.com specification, helping buyers select the right part without relying on broad compatibility claims.
Compatibility checklist
- Confirm the host accepts a Cisco GLC-LX-SM-RGD compatible or appropriate MSA-coded SFP module.
- Match the remote transceiver's speed, 1310nm wavelength, single-mode fibre, LC duplex connector and DDM requirement.
- Confirm the optical link budget and installed fibre support the required distance; up to 10km is the stated maximum.
- Use the extended-temperature model only where its environmental rating is required and still verify enclosure and airflow conditions.
Common applications
- Extend a switch-to-switch Gigabit Ethernet backbone
- Connect a compatible router, switch or media converter to fibre
- Replace or standardise the specified Cisco-compatible SFP module
DeviceDeal purchase confidence
Supplied by DeviceDeal for Australian customers with local purchasing support, a tax invoice and the verified Lifetime StarTech.com manufacturer warranty.
Frequently asked questions
What is this transceiver used for?
It adds a 1000BASE-LX 1GbE optical connection to a compatible SFP port.
Which Cisco module is it compatible with?
It is designed, programmed and tested as a replacement for Cisco GLC-LX-SM-RGD.
What fibre and connector are required?
Use single-mode fibre with an LC duplex connection.
What wavelength does it use?
The module operates at 1310nm. The remote optic must use a compatible wavelength and Ethernet standard.
What is the maximum distance?
The stated maximum reach is up to 10km. Actual design must also satisfy the optical link budget.
Does it support DDM?
Digital Diagnostics Monitoring support is yes.
Is it hot-swappable?
Yes, it is hot-swappable when installed in networking equipment that supports hot swapping.
What is included and what warranty applies?
1 module is supplied, backed by a lifetime StarTech.com manufacturer warranty.
Not sure this is the right product for your setup? Visit the DeviceDeal Buying Guides.
(GLCLXSMRGDST)
Features and highlights
- Cisco GLC-LX-SM-RGD compatible SFP transceiver
- 1000BASE-LX Gigabit Ethernet; 1.25Gbps line rate
- Single-mode fibre; LC duplex connector
- 1310nm optical wavelength
- Up to 10km maximum stated reach
- Digital Diagnostics Monitoring (DDM): Yes
- Hot-swappable in compatible networking equipment
- MTBF: 3,092,408 hours
- Power consumption: Less than 1W
- Operating temperature: -40°C to 85°C
- Product dimensions: 56.6 × 14 × 12mm
- Package includes 1 module
- Lifetime StarTech.com manufacturer warranty
Specifications
| Product type | Cisco GLC-LX-SM-RGD Compatible Industrial 1000BASE-LX SFP |
|---|---|
| OEM compatibility | Cisco GLC-LX-SM-RGD |
| Ethernet standard | 1000BASE-LX |
| Maximum data rate | 1.25Gbps line rate / 1GbE network |
| Media type | Single-mode fibre |
| Connector | LC duplex |
| Wavelength | 1310nm |
| Maximum transfer distance | Up to 10km |
| Digital Diagnostics Monitoring | Yes |
| Duplex mode | Full duplex |
| Hot-swappable | Yes, in compatible equipment |
| MTBF | 3,092,408 hours |
| Power consumption | Less than 1W |
| Operating temperature | -40°C to 85°C |
| Storage temperature | -40°C to 85°C |
| Humidity | 595% RH |
| Colour / material | Silver aluminium |
| Dimensions | 56.6 × 14 × 12mm |
| Product weight | 16g |
| Package contents | 1 module |
| Host requirement | MSA-compliant or compatible Cisco SFP port |
| Warranty | Lifetime |
| SKU | GLCLXSMRGDST |
| Barcode # | 65030868662 |
| Brand | STARTECH |
| Shipping Weight | 0.0500kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.110m |
| Shipping Cubic | 0.000550000m3 |
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