Issue
After transitioning TAC INET Access to Security Expert, SP-C health status shows the message "Ring-loop failure at reader expander".
Product Line
EcoStruxure Security Expert, TAC INET
Environment
- Security Expert SP-C
- TAC INET Access Control
Cause
This message indicates that the ring-loop connection is not made.
For the ring-loop connection, the opposite end of the INET subLAN must be connected to Reader 2 on the SP-C.
Resolution
If an INET subLAN loop is not used, then this message can be ignored.
If an INET subLAN loop is used then this message indicates a break in the ring-loop.
1. Reference Guide I/NET Access Control Transition to EcoStruxure™ Security Expert (Hardware ...
