GE Multilin
B90 Low Impedance Bus Differential System
3-27
3 HARDWARE
3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS
3
3.3.3 FIBER-LASER TRANSMITTERS
The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser modules.
Figure 3–27: 7X LASER FIBER MODULES
The following figure shows configuration for the 2I and 2J fiber-laser module.
Figure 3–28: 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
CAUTION
NOTICE
Summary of Contents for B90
Page 10: ...x B90 Low Impedance Bus Differential System GE Multilin TABLE OF CONTENTS ...
Page 284: ...5 166 B90 Low Impedance Bus Differential System GE Multilin 5 8 TESTING 5 SETTINGS 5 ...
Page 334: ...10 8 B90 Low Impedance Bus Differential System GE Multilin 10 2 BATTERIES 10 MAINTENANCE 10 ...
Page 338: ...A 4 B90 Low Impedance Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 460: ...C 30 B90 Low Impedance Bus Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 476: ...E 10 B90 Low Impedance Bus Differential System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Page 502: ...viii B90 Low Impedance Bus Differential System GE Multilin INDEX ...