Fiber: Led And Eled Transmitters; Fiber-Laser Transmitters - GE D30 Instruction Manual

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3 HARDWARE
The following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules.
The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser module.
When using a LASER Interface, attenuators may be necessary to ensure that you do not exceed Maximum
Optical Input Power to the receiver.
WARNING
GE Multilin
Module:
7A / 7B / 7C
Connection Location:
Slot X
RX1
TX1
1 Channel
Figure 3–28: LED AND ELED FIBER MODULES
Module:
72/ 7D
Connection Location:
Slot X
TX1
RX1
1 Channel
Figure 3–29: LASER FIBER MODULES
D30 Line Distance Relay
3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS

3.3.2 FIBER: LED AND ELED TRANSMITTERS

7H / 7I / 7J
Slot X
RX1
TX1
RX2
TX2
831719A2.CDR
2 Channels

3.3.3 FIBER-LASER TRANSMITTERS

73/ 7K
Slot X
TX1
RX1
TX2
RX2
831720A3.CDR
2 Channels
3
3-25

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