Trns.: Check signal input (Pin No.4) Monitor output (Pin No.3) … Normaly ON operation (Sink Current 100mA (DC30V) Max., Output impedance 4.7kΩ) Rcvr.: Margin output (iPin No.4) … Glitch ON operation (NPN open collector, Sink Current 100mA (DC30V) Max.) the amount of light received monitor, Earphone jack tarmminal built-in |