SFP-GLCS120-B SKU SFP-GLCS120-B-2579 1000Mbps, 1550nm, 20km, LC, 1 Fiber, Pair with SFP-GLCS120-A, Single Mode, MSA Compliant Please log in to see price or purchase this item Request an account Line Comment Special Price MAC Address Features: 1000fx, 1550nm, 20km, LC, 1 Fiber Must be paired with SFP-GLCS120-A. Conforms to (SFP) Small Form-Factor Pluggable Multi-Source Agreement (MSA) Operating temperature: -40C to +75C No in-field adjustments required