Locate Remote Error Indication Line Errors

Purpose

A remote error indication (REI) is sent upstream to signal an error condition. There are two types of REI alarms:

• Remote error indication line (REI-L) is sent to the upstream LTE when errors are detected in the B2 byte.
• Remote error indication path (REI-P) is sent to the upstream PTE when errors are detected in the B3 byte.