The Expansion KSU(s) is/are connected to the Main KSU individually. EXIFB-C1 card must be installed to the Main KSU and use CAT5 cable to connect to EXIFE-C1 on the Expansion KSU.
- Install this card to the main KSU.
- 3 connectors to connect to expansion KSUs
- DIM monitor circuit for maintenance
