Comtech EF Data RSU-503 - Manual (Page 41)

RSU-503 Redundancy Switch Unit Installation
Rev. 8 25
2.6 Addressing
The following are the factory default addresses:
•
Switch is set to address 1
•
RFT A is set to address 2
•
RFT B is set to address 3
The proper M&C cable hook-up is critical:
•
RFT A must be connected to the switch Port A
•
RFT B must be connected to the switch Port B
Note: If these connections are reversed, no communications will take place.