This is a Finisar Ultimate 1x9 Transceiver Module, part number FTR-8539-3EM-EMU. This is a NEW part, it has never been used. It is sold exactly as pictured and does not include any additional parts or accessories.

Product Features:

• Up to 1.25Gb/s bi-directional data links
• 850nm VCSEL Laser Transmitter
• Optional Digital Diagnostics Functions
• Extended Operating Temperature Range (-10°C to 85°C)
• Compatible with 3.3V & 5V Systems
• Hot-Pluggable (complies with GBIC specification Rev. 5.5)
• Fully metallic enclosure for low EMI 
• Low power dissipation

Applications:

• 1.0625Gb/s Fibre Channel 
• 1.25 Gigabit Ethernet