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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

  • FeatureNetwork Technology:10/100/1000Base-T Network Technology:1000
  • Package ContentsSGPAT1039-105 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.

Highlights

  • 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

Specifications

BrandTRANSITION
ModelSGPAT1039-105
FeatureNetwork Technology:10/100/1000Base-T
Network Technology:1000Base-SX/LX
Network Technology:1000Base-X
Package ContentsSGPAT1039-105 Transceiver/Media Converter
Power Cord (North America)
Shipping weight1.23 kg
Package size270 × 250 × 90 mm

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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