Mitsubishi Electric FR-A872-P Instruction Manual page 15

 Accessory
• CD-ROM (1): Including the Instruction Manual (Function) and other documents.
• Ferrite core (ZCAT3035-1330) × 2: Use two cores on RS-485 cables for communication between two inverters to reduce
noise. (Refer to page
14
1. INTRODUCTION
1.1 Product checking and accessories
67.)