3-28 F60 Feeder Protection System GE Multilin
3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS 3 HARDWARE
3
3.3.3 FIBER-LASER TRANSMITTERS
The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser modules.
Figure 3–32: 7X LASER FIBER MODULES
The following figure shows configuration for the 2I and 2J fiber-laser module.
Figure 3–33: 2I AND 2J LASER FIBER MODULE
Observing any fiber transmitter output can injure the eye.
When using a laser Interface, attenuators can be necessary to ensure that you do not exceed the
maximum optical input power to the receiver.
1 channel 2 channels
Rx1 Rx1
Rx2
Tx1 Tx1
Tx2
831720A5.CDR
72 and 7D
modules
73 and 7K
modules
2 channels
Tx1
Tx2
Rx1
Rx2
831827A1.CDR
2I and 2J
modules
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