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Bits 0, 3, 5 to 7: Unused, must be set = 0 for proper operation.
Bit 1: Transmit Open Circuit Detect Condition (TOCD).
Set when the device detects that the TTIP and TRING outputs are
open-circuited.
Note:
This function not supported in transmit 6312kHz mode.
Bit 2: Transmit Current Limit Exceeded Condition (TCLE).
Set when the 50mA (rms) current limiter is activated whether
the current limiter is enabled or not.
Note:
This function not supported in transmit CMI, 64kHz or 6312kHz mode.
Bit 4: Jitter Attenuator Limit Trip Event (JALT).
Set when the jitter attenuator FIFO reaches to within 4 bits of its useful
limit. Will be cleared when read. Useful for debugging jitter-attenuation operation.
Note:
The jitter attenuator is only available
in T1 and E1 modes.
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