3-22 D60 Line Distance Relay GE Multilin3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS 3 HARDWARE33.3.2 FIBER: LED AND ELED TRANSMITTERSThe following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules.Figure 3ñ24: LED AND ELED FIBER MODULES3.3.3 FIBER-LASER TRANSMITTERSThe following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser module.Figure 3ñ25: LASER FIBER MODULESWhen using a LASER Interface, attenuators may be necessary to ensure that you do not exceed MaximumOptical Input Power to the receiver.Module: 7A / 7B / 7C 7H / 7I / 7JConnection Location: Slot X Slot X1 Channel 2 ChannelsRX1 RX1RX2TX1 TX1TX2831719A2.CDRModule:Connection Location:73/ 7KSlot X72/ 7DSlot X1 Channel 2 ChannelsRX1 RX1RX2TX1 TX1TX2831720A3.CDRWARNING
