Rainbow Electronics DS26504 - Manual (Page 40)

DS26504 T1/E1/J1/64KCC BITS Element
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Register Name:
T1RCR2
Register Description: T1 Receive Control Register 2
Register Address: 04h
Bit
# 7 6 5 4 3 2 1 0
Name — — RB8ZS — — — RJC RD4YM
Default 0 0 0 0 0 0 0 0
HW
Mode
0 0
HBE
PIN 55
0 0 0 0 0
Bit 0: Receive Side D4 Yellow Alarm Select (RD4YM)
0 = zeros in bit 2 of all channels
1 = a one in the S-bit position of frame 12 (J1 Yellow Alarm Mode)
Bit 1: Receive Japanese CRC6 Enable (RJC)
0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)
1 = use Japanese standard JT–G704 CRC6 calculation
Bits 2, 3, 4, 6, 7: Unused, must be set = 0 for proper operation.
Bit 5: Receive B8ZS Enable (RB8ZS)
0 = B8ZS disabled
1 = B8ZS enabled