Exfo FTB-800 Series for FTB-1 Manual de usuario Pagina 411

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Test Functions
NetBlazer 401
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.
Note: The DS3 FEAC tab is available when the DS3 framing is set to C-Bit Parity
(see page 204).
From the test menu, tap Functions, and the FEAC tab.
Generated Messages
Allows to configure and send 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.
Codeword
DS3 Equipment Failure SA (00110010) User Defined (00001100)
DS3 Loss of Signal (LOS) (00011100) User Defined (00010000)
DS3 Out-of-Frame (00000000) User Defined (00010100)
DS3 AIS Received (00101100) User Defined (00010110)
DS3 Idle Signal Received (00110100) User Defined (00011000)
DS3 Equipment Failure NSA (00011110) User Defined (00011010)
DS3 NUI Loop Up (00010010) User Defined (00100000)
DS3 NUI Loop Down (00100100) User Defined (00100010)
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