Datasheet

DS26521 Single T1/E1/J1 Transceiver
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Register Name:
TDS0M
Register Description:
Transmit DS0 Monitor Register
Register Address:
1BBh
Bit # 7 6 5 4 3 2 1 0
Name B1 B2 B3 B4 B5 B6 B7 B8
Default 0 0 0 0 0 0 0 0
Bits 7 to 0: Transmit DS0 Channel Bits (B[1:8]). Transmit channel data that has been selected by the Transmit
DS0 Channel Monitor Select register (
TDS0SEL). B8 is the LSB of the DS0 channel (last bit to be transmitted).
Register Name:
TBCS1, TBCS2, TBCS3, TBCS4
Register Description:
Transmit Blank Channel Select Registers 1 to 4
Register Address:
1C0h, 1C1h, 1C2h, 1C3h
Bit # (MSB) 7 6 5 4 3 2 1 0 (LSB)
CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
TBCS1
CH16 CH15 CH14 CH13 CH12 CH11 CH10 CH9
TBCS2
CH24 CH23 CH22 CH21 CH20 CH19 CH18 CH17
TBCS3
Name
CH32 CH31 CH30 CH29 CH28 CH27 CH26 CH25
TBCS4
(E1 Mode
Only)
Default 0 0 0 0 0 0 0 0
Bits 7 to 0: Transmit Blank Channel Select for Channels 1 to 32 (CH[1:32]).
0 = transmit TSER data from this channel
1 = ignore TSER data from this channel
Note that when two or more sequential channels are chosen to be ignored, the receive slip zone select bit should
be set to zero. If the ignore channels are distributed (such as 1, 5, 9, 13, 17, 21, 25, 29), the RSZS bit can be set to
one, which may provide a lower occurrence of slips in certain applications.