Ds3 Feac Rx - EXFO FTB-8510B Guia Del Usuario

DS3 FEAC RX

The DS3 FEAC RX tab gives current and previous alarms/status and
loopback commands as well as the link activity for the received DS3 signal.
Note: The DS3 FEAC RX tab is available when the DS3 framing is set to C-Bit
Parity (see page 293).
Press TEST, DSn-PDH, and FEAC (under DSn-PDH RX).
Configuration
Enable FEAC: Enables DS3 FEAC codeword configuration and analysis.
Link Activity
No Activity (All 1's): An all ones pattern (11111111 11111111) has been
detected in the last second.
Alarm/Status: An Alarm/Status codeword has been detected in the last
second. An Alarm/Status is only detected when receiving at least 10
consecutive occurrences of a specific codeword.
Loopback: A Loopback command message has been detected in the
last second. A valid loopback command is detected only when
receiving 10 consecutive occurrences of a specific Loopback
Command immediately followed by 10 occurrences of a specific
Channel Codeword.
SONET/SDH Application
DSn Tabs
DS3 FEAC RX
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