ADVANTAGE Fiber optic adapters are widely used in optical communication system, LAN cabling and optical test equipment, etc.. They can connect fiber optical cable quickly and that's easy to operate. SC(Subscriber Cable) Clip-on Type. With bigger square, commonly used in fiber optic transceivers and GBIC optical modules, mostly SC used in router switch. LC(Local Connector) With the smaller square port, widely used to connect SFP optical modules and usually used in routers. FC(Ferrule Contactor) Round with thread. The external reinforcement method is to use a metal sleeve. Generally used with optical distribution frames. ST(Straight Tip) Round bayonet Type. Commonly used in an optical distribution frame. FC-FC ST-ST SC-FC ST-FC LC-LC SC-SC Buying Options Add to Cart Add to Cart Buying Options Add to Cart Buying Options Customer Reviews 5.0 out of 5 stars 1 5.0 out of 5 stars 2 — — — — Price — no data $9.39$9.39 $8.69$8.69 — no data $8.39$8.39 — no data 1 Core ✓ ✓ ✓ ✓ ✓ ✓ Multi-mode/Single-mode ✓ ✓ ✓ ✓ ✓ ✓ LC LC SC SC SC Add to Cart Add to Cart Buying Options Buying Options Buying Options Customer Reviews 4.5 out of 5 stars 2 5.0 out of 5 stars 1 — — — Price $7.69$7.69 $9.99$9.99 — no data — no data — no data 2 Core ✓ ✓ ✓ ✓ ✓ Single-mode ✓ × ✓ × × Multi-mode/Single-mode × ✓ × × ✓ Multi-mode × × × ✓ ×