Rainbow Electronics DS26504 User Manual
Page 90
DS26504 T1/E1/J1/64KCC BITS Element
90 of 128
Register Name:
SR1
Register Description:
Status Register 1
Register Address:
14h
Bit
# 7 6 5 4 3 2 1 0
Name — — —
JALT
—
TCLE
TOCD
—
Default
0 0 0 0 0 0 0 0
HW
Mode
X X X X X X X X
Bits 0, 3, 5, 6, 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.
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.
Bit 4: Jitter Attenuator Limit Trip Event (JALT). Set when the jitter attenuator FIFO reaches to within 4 bits of its useful
limit. This bit is cleared when read. Useful for debugging jitter-attenuation operation.