Siemens MJ-4 Series - F Communications Module Installation

Appendix F: Communications Module Installation
70 Siemens Energy, Inc.
F Communications Module Installation
The MJ-4 Communications Module is mounted directly to
the Main Processor board. There are two versions of the
Communications Module:
• Fiber Optic Communications Module, shown in Fig-
ure F.1.
• RS-232/485 Communications Module, shown in Fig-
ure F.2.
Refer to the MJ-4Communications Module Installation
Manual (Siemens Manual # 21-115-527-024 for complete
information on installing and testing the Communications
Module.
Figure F.1 Fiber Optic Communications Module
Figure F.2 RS-232/485 Communications Module