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Compact metal enclosure with one copper port and two SFP slots visible on the front face

PLANET

PLANET GT-1205A 1-Port 10/100/1000Base-T 2-Port 1000FX SFP Media Converter

SKU CH-NRZV-XS573 MPN GT-1205A

Converts a single copper Gigabit link to dual SFP fiber slots with DIP-switch selectable switch or redundant modes

  • Port countCopper: 1 × 10/100/1000Base-T port Fiber: 2 × 1000Base-X SFP
  • Product typeConverter
  • Supported standardsIEEE 802.3 10Base-T IEEE 802.3u 100Base-TX IEEE 802.3ab 1000
  • Power adapterPower Requirements: 5 V DC, 2A max Power Consumption: 5.4 W
  • Temperature rangeOperating Temperature: 0 to 50 degree Celsius Storage Temper
  • Humidity range5 to 95%, Relative Humidity, non-condensing
  • Converts copper to dual fibre with two SFP slots
  • Auto-negotiates 10/100/1000 Mbps for flexible network speeds
  • Operates reliably from 0 to 50 °C ambient temperature
  • Slide-in module compatible with MC-700 and MC-1500 chassis
  • Consumes only 5.4 W maximum power

Gigabit Copper-to-Fiber Converter

The PLANET GT-1205A connects one 10/100/1000Base-T copper port to two 1000Base-X SFP slots. It serves network engineers extending Ethernet over fiber in campus or metro links. The unit also slides into MC-700 or MC-1500 chassis for centralised management. It is not suited for deployments that require copper-only aggregation or PoE injection.

Thermal and Power Profile

The converter draws 5.4 watts maximum from a 5V DC, 2A supply, producing 18.5 BTU per hour. It operates silently with no moving parts across 0 to 50 degrees Celsius ambient. Storage tolerance reaches -10 to 70 degrees Celsius at 5 to 95 percent relative humidity non-condensing. No active cooling or acoustic planning is needed.

Upgrade Path and Fit

The GT-1205A replaces single-SFP media converters when a redundant or dual-fiber uplink is required. The DIP switch selects three-port switch mode or redundant mode to minimise packet loss via IEEE 802.3x flow control. The jump is worthwhile when link resiliency or chassis density outweighs the cost of a basic unmanaged converter.

How it compares

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

Price $89.99
Cheaper than about 59% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand namePLANET
Model nameGT-1205A
Product typeConverter
Connectivity
Supported standardsIEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX
IEEE 802.3ab 1000Base-T
IEEE 802.3z 1000Base-SX/LX
IEEE 802.3x Flow Control
Ports & slots
Port countCopper: 1 × 10/100/1000Base-T port
Fiber: 2 × 1000Base-X SFP slots
Power
Power adapterPower Requirements: 5 V DC, 2A max
Power Consumption: 5.4 W / 18.5 BTU per hour max
Size & build
Product dimensions1.02 in × 3.7 in × 2.76 in
Product weight0.42 lb (0.19 kg)
Shipping weight0.91 kg
Package size254 × 254 × 254 mm
Environment & compliance
Temperature rangeOperating Temperature: 0 to 50 degree Celsius
Storage Temperature: -10 to 70 degree Celsius
Humidity range5 to 95%, Relative Humidity, non-condensing

Questions about this item

How do I install the GT-1205A in a Planet MC-700 or MC-1500 chassis?

Slide the unit into an open bay until it locks; the chassis backplane supplies 5 V DC power so no external adapter is needed.

What ongoing maintenance does the GT-1205A require?

Keep ventilation clear and operate between 0 and 50 °C; clean LC fiber connectors with a lint-free swab if signal loss appears.

What is the first limit reached under sustained full-speed traffic?

The single 10/100/1000Base-T copper port caps total throughput at 1000 Mbps even though two SFP slots are present.

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