GE G30 - Fiber: Led and Eled Transmitters; Fiber-Laser Transmitters

GE Multilin G30 Generator Protection System 3-35
3 HARDWARE 3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS
3
3.3.2 FIBER: LED AND ELED TRANSMITTERS
The following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules.
Figure 3–35: LED AND ELED FIBER MODULES
3.3.3 FIBER-LASER TRANSMITTERS
The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser modules.
Figure 3–36: 7X LASER FIBER MODULES
7A, 7B, and
7C modules
7H, 7I, and
7J modules
1 channel 2 channels
Rx1
Rx1
Rx2
Tx1 Tx1
Tx2
831719A3.CDR
1 channel 2 channels
Rx1 Rx1
Rx2
Tx1 Tx1
Tx2
831720A5.CDR
72 and 7D
modules
73 and 7K
modules