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Small silver SFP transceiver module with RJ45 port and LC fiber connectors, matte metal housing

Transition Networks

Transition Networks SGPAT1039-105-NA SFP transceiver 10/100/1000Base-T 1000Base-SX/LX PoE+

SKU CH-P6QC-QBS2Q MPN SGPAT1039-105-NA

A media converter linking 10/100/1000Base-T copper to 1000Base-SX/LX fibre while delivering PoE+ power over the RJ-45 port

  • HighlightsNetwork Technology:10/100/1000Base-T Network Technology:1000
  • In the boxSGPAT1039-105 Transceiver/Media Converter Power Cord (North
  • Converts copper to fibre with PoE+ power injection
  • Supports 10/100/1000Base-T and 1000Base-SX/LX networks
  • Delivers up to 56 VDC to powered devices via RJ-45
  • Active Link Pass Through propagates link failures automatically
  • Includes over-current, under-current and fault protection circuits

Media Converter with PoE+

The Transition Networks SGPAT1039-105-NA is a Gigabit Ethernet media converter that bridges 10/100/1000Base-T copper to 1000Base-SX/LX fiber. It functions as Power Sourcing Equipment, delivering PoE+ power over the RJ-45 port while passing data between the two media types. A North American power cord is included in the package.

Suitable for Mixed-Media PoE Deployments

This unit suits installers who need to extend a copper PoE+ link over fiber to a remote powered device such as a wireless access point or IP camera. It is not for networks that require multi-port aggregation, managed switching features, or fiber-to-fiber conversion without copper termination. Buyers needing higher port counts should evaluate the 2-port, 3-port, or 4-port variants of the same series.

Build Integration Notes

The converter requires a 56 VDC input to supply PoE+ power and connects via standard RJ-45 and SFP fiber interfaces. Active Link Pass Through propagates link-loss detection across both ports, preventing silent failures. IEEE 802.3at compliance ensures backward compatibility with 802.3af devices, simplifying integration with existing PoE infrastructure.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $340.99
Pricier than about 75% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand nameTRANSITION
Model nameSGPAT1039-105
Size & build
Shipping weight1.23 kg
Package size270 × 250 × 90 mm
In the box
In the boxSGPAT1039-105 Transceiver/Media Converter
Power Cord (North America)

Questions about this item

Does the 56 VDC power input come with a North-American power cord included?

The package ships with a North-American power cord that connects to the 56 VDC input, so no separate cord purchase is needed.

Will the RJ-45 port still pass traffic to a non-PoE device such as an older IP phone?

Yes, the IEEE 802.3at PoE+ implementation is backwards compatible with 802.3af and performs PD signature sensing before delivering power, so legacy devices receive data only.

How can I verify that Active Link Pass Through is propagating a fiber-link loss to the copper side?

When the fiber Receive signal drops, the converter forces the copper link down; watching both port LEDs show link loss simultaneously confirms ALPT is working.

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