Rainbow Electronics DS26504 - Manual (Page 41)

DS26504 T1/E1/J1/64KCC BITS Element
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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
Bits 1 to 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