Rainbow Electronics DS26503 User Manual
Page 41

DS26503 T1/E1/J1 BITS Element
41 of 123
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
PIN55
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
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/Receive B8ZS Enable (RB8ZS).
0 = B8ZS disabled
1 = B8ZS enabled
Bit 6/Unused, must be set = 0 for proper operation.
Bit 7/Unused, must be set = 0 for proper operation.