Fiber: Led And Eled Transmitters; Fiber Laser Transmitters - GE C30 Instruction Manual

DIRECT INPUT AND OUTPUT COMMUNICATIONS CHAPTER 3: INSTALLATION
Figure 3-25: Direct input and output single/dual channel combination connection
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The inter-relay communications modules are available with several interfaces and some are outlined here in more detail.
Those that apply depend on options purchased. The options are outlined in the Inter-Relay Communications section of the
Order Code tables in Chapter 2. All of the fiber modules use ST type connectors.

3.4.2 Fiber: LED and ELED transmitters

The following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules.
Figure 3-26: LED and ELED fiber modules

3.4.3 Fiber laser transmitters

The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser modules.
3-26 C30 CONTROLLER SYSTEM – INSTRUCTION MANUAL