Part #: 9004FX-ST

Specifications: 

Slide In Module for 9000 Series Chassis (Multimode or Singlemode Available)
Four 100BaseFX Fiber Ports, SC Available
Full IEEE 802.3 Compliance
Extended Environmental Specifications
-20°C to 70°C Operating Temperature
-40°C to 85°C Storage Temperature
User Configurable for Full Duplex