Rainbow Electronics DS26503 - Manual (Page 63)

DS26503 T1/E1/J1 BITS Element
63 of 123
Register Name: TFDL
Register Description: Transmit FDL Register
Register Address: 51h
Bit
# 7 6 5 4 3 2 1 0
Name TFDL7 TFDL6 TFDL5 TFDL4 TFDL3 TFDL2 TFDL1 TFDL0
Default
0 0 0 0 0 0 0 0
HW
Mode
0 0 0 1 1 1 0 0
Note: Also used to insert Fs framing pattern in D4 framing mode.
The transmit FDL register (TFDL) contains the FDL information that is to be inserted on a byte-basis into the outgoing T1 data
stream. The LSB is transmitted first.
Bit 0/Transmit FDL Bit 0 (TFDL0). LSB of the transmit FDL code.
Bit 1/Transmit FDL Bit 1 (TFDL1).
Bit 2/Transmit FDL Bit 2 (TFDL2).
Bit 3/Transmit FDL Bit 3 (TFDL3).
Bit 4/Transmit FDL Bit 4 (TFDL4).
Bit 5/Transmit FDL Bit 5 (TFDL5).
Bit 6/Transmit FDL Bit 6 (TFDL6).
Bit 7/Transmit FDL Bit 7 (TFDL7). MSB of the transmit FDL code.