Appendix F: Communications Module Installation
64 Siemens Power Transmission & Distribution, Inc.
F Communications Module Installation
The MJ-X
L
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-X
L
Communications Module Installation
Manual (Siemens Manual # 2-115527-017 for complete
information on installing and testing the Communications
Module.
Figure F.1 MJ-XL Fiber Optic Communications Module
Figure F.2 RS-232/485 Communications Module