Test Functions
MaxTester 331
FEAC
FEAC
The Far-End Alarm and Control signal (FEAC) provides Communication
Channel capability over a DS3 in a network applications using C-bit Parity
configuration (see page 167).
From the test menu, tap Functions, and the FEAC tab.
Generated Messages
Allows configuring and sending alarms/status information and control
signals (loopback commands) to other network elements.
Alarm/Status and Unassigned
Codeword allows the selection of the codeword alarm/status to be
generated either manually or continuously.
The FEAC message format is a 16 bit codeword
(0xxxxxx0 11111111) with the rightmost bit transmitted first. The
0xxxxxx0 represents the message codeword.
Mode is the alarm/status injection mode: Manual or Continuous.
Codeword
DS3 Equipment Failure SA (00110010) Single DS1 LOS (00111100) User Defined (00100000)
DS3 Loss of Signal (LOS) (00011100) DS1 Equipment Failure NSA
(00000110)
User Defined (00100010)
DS3 Out-of-Frame (00000000) User Defined (00000010) User Defined (00101000)
DS3 AIS Received (00101100) User Defined (00000100) User Defined (00101110)
DS3 Idle Signal Received (00110100) User Defined (00001000) User Defined (00110000)
DS3 Equipment Failure NSA (00011110) User Defined (00001100) User Defined (00111110)
DS3 NUI Loop Up (00010010) User Defined (00010000) User Defined (01000000)
DS3 NUI Loop Down (00100100) User Defined (00010100) User Defined (01111010)
Common Equipment Failure NSA (00111010) User Defined (00010110) User Defined (01111100)
Multiple DS1 LOS (00101010) User Defined (00011000) User Defined (01111110)
DS1 Equipment Failure SA (00001010) User Defined (00011010)
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