1.Low IL,High RL 3.PC, UPC or APC optional 3.Cable Diameter(mm):3.0, 2.0, 0.9 4.Available in OS1,OM1,OM2 and OM3

Fiber Optic Loopback Cables provide a looped (circular) signal from source device to hardware for testing purposes, enabling a signal check for both transmit and receiving function.

Features: 

1. LC, SC, MT-RJ optional2. Single mode or multimode 3. Available in OS1, OM1, OM2 and OM34. Low insertion loss, high return loss 

Application:

1. CATV/LAN2. Test &Measurement

Parameter:

Parameter	Unit	Standard & Requirement
		PC(SM)	UPC(SM)	APC(SM)	PC(MM)
Insertion Loss (Typical)	dB	≤0.3	≤0.2	≤0.2	≤0.3
Return Loss	dB	≥45	≥50	≥60	≥35
Mechanical Endurance (500T)	dB	≤0.2
Exchangeability	dB	≤0.2
Durability	Time	1000
Vibration	dB	≤0.2
Operating Temperature	°C	40 ~75
Storage Temperature	°C	45 ~85
Cable Diameter	mm	3.0, 2.0, 0.9

SC/PC 50/125um loopback multimode optical fiber patch cord