PLANET 10/100/1000Base-T to Dual 1000Base-X SFP (1 TP, 2

The PLANET GT-1205A is a compact and highly flexible Gigabit media converter equipped with two SFP slots and one RJ45 port. It supports both 100FX and 1000X modules and features DIP switches for operation as a 3-port Ethernet switch or as a redundant 2-port fiber converter. Designed for critical applications requiring extended distances and fiber link redundancy, it is ideal for enterprise, ISP, and industrial networks.

Key Features:

• Dual SFP slots for 100/1000BASE-X (Multi-/Singlemode, up to 120 km)
• 1 x 10/100/1000BASE-T RJ45 port with Auto MDI/MDI-X
• Supports Switch mode (3-Port) or Redundant mode (2-Port)
• Automatic switchover on fiber link failure
• Jumbo frame support up to 10K bytes
• Compatible with PLANET Media Converter chassis (MC-700 / MC-1500 series)
• Diagnostic LEDs for quick status feedback
• Wall mount and DIN rail installation supported

Technical Specifications (EN):

Interfaces:

• 1x 10/100/1000BASE-T RJ45 port (Auto MDI/MDI-X)
• 2x 100/1000BASE-X SFP slots

Cable Types:

• Copper: Cat3–6, up to 100m
• Fiber:
• 1000BASE-SX: Multimode up to 2 km
• 1000BASE-LX: Single-mode up to 120 km (SFP-dependent)
• 100BASE-FX: Multimode up to 2 km, Single-mode up to 60 km

Switch Architecture:

• Store-and-Forward
• Throughput: 4.4 Mpps
• Switching Fabric: 6 Gbps

Jumbo Frame:

• Up to 10K Bytes

PoE:

• Not supported

Redundancy Mode:

• Auto link failure recovery with Primary and Backup SFP switching

Housing & Installation:

• Dimensions: 94 x 70.3 x 26.2 mm
• Weight: 180g
• Power: 5V DC, 2A
• Power Consumption: Max. 2.8W
• Supports wall mount and DIN rail

Environmental:

• Operating Temp: 0–50 °C; Storage Temp: -10–70 °C
• Humidity: 5–95% (non-condensing)

Standards & Certifications:

• IEEE 802.3, 802.3u, 802.3ab, 802.3z, 802.3x
• FCC Class B, CE

Package Contents:

• PLANET GT-1205A Media Converter
• Power Adapter
• Quick Guide