Rainbow Electronics DS26503 User Manual
Page 42

DS26503 T1/E1/J1 BITS Element
42 of 123
Register Name:
T1TCR1
Register Description:
T1 Transmit Control Register 1
Register Address:
05h
Bit
# 7 6 5 4 3 2 1 0
Name TJC
TFPT
TCPT
— — — —
TYEL
Default 0 0 0 0 0 0 0 0
HW
Mode
RMODEx
PINS
0 0 0 0 0 0 0
Bit 0/Transmit Yellow Alarm (TYEL).
0 = do not transmit yellow alarm
1 = transmit yellow alarm
Bit 1/Unused, must be set = 0 for proper operation.
Bit 2/Unused, must be set = 0 for proper operation.
Bit 3/Unused, must be set = 0 for proper operation.
Bit 4/Unused, must be set = 0 for proper operation.
Bit 5/Transmit CRC Pass-Through (TCPT).
0 = source CRC6 bits internally
1 = CRC6 bits sampled at TSER during F-bit time
Bit 6/Transmit F-Bit Pass-Through (TFPT).
0 = F bits sourced internally
1 = F bits sampled at TSER
Bit 7/Transmit Japanese CRC6 Enable (TJC).
0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)
1 = use Japanese standard JT–G704 CRC6 calculation