3-24 N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUALDIRECT INPUT AND OUTPUT COMMUNICATIONS CHAPTER 3: INSTALLATION3Figure 3-25: 7x Laser fiber modulesThe following figure shows configuration for the 2I and 2J fiber-laser modules.Figure 3-26: 2I and 2J laser fiber modules3.4.4 G.703 interface3.4.4.1 DescriptionThe following figure shows the 64K ITU G.703 co-directional interface configuration.The G.703 module is fixed at 64 kbps. The SETTINGS PRODUCT SETUP DIRECT I/O DIRECT I/O DATA RATE setting is notapplicable to this module.CAUTION Observing any fiber transmitter output can injure the eye.NOTICE When using a laser Interface, attenuators can be necessary to ensure that you do not exceed themaximum optical input power to the receiver.1 channel 2 channelsRx1 Rx1Rx2Tx1 Tx1Tx2831720A5.CDR72 and 7Dmodules73 and 7Kmodules2 channelsTx1Tx2Rx1Rx2831827A1.CDR2I and 2Jmodules
