Rainbow Electronics DS21458 - Manual (Page 148)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
148 of 270
24.3.2 Transmit
The HxTCS1–HxTCS4 registers are used to assign the transmit controllers to channels 1–24 (T1) or
1–32 (E1), according to the following table.
REGISTER CHANNELS
HxTCS1 1–8
HxTCS2 9–16
HxTCS3 17–24
HxTCS4 25–32
Register Name:
H1TCS1, H1TCS2, H1TCS3, H1TCS4
H2TCS1, H2TCS2, H2TCS3, H2TCS4
Register Description: HDLC # 1 Transmit Channel Select
HDLC # 2 Transmit Channel Select
Register Address: 97h, 98h, 99h, 9Ah
A7h, A8h, A9h, AAh
Bit
# 7 6 5 4 3 2 1 0
Name THCS7 THCS6 THCS5 THCS4 THCS3 THCS2 THCS1 THCS0
Default
0 0 0 0 0 0 0 0
Bit 0/Transmit HDLC Channel Select Bit 0 (THCS0). Select Channel 1, 9, 17, or 25.
Bit 1/Transmit HDLC Channel Select Bit 1 (THCS1). Select Channel 2, 10, 18, or 26.
Bit 2/Transmit HDLC Channel Select Bit 2 (THCS2). Select Channel 3, 11, 19, or 27.
Bit 3/Transmit HDLC Channel Select Bit 3 (THCS3). Select Channel 4, 12, 20, or 28.
Bit 4/Transmit HDLC Channel Select Bit 4 (THCS4). Select Channel 5, 13, 21, or 29.
Bit 5/Transmit HDLC Channel Select Bit 5 (THCS5). Select Channel 6, 14, 22, or 30.
Bit 6/Transmit HDLC Channel Select Bit 6 (THCS6). Select Channel 7, 15, 23, or 31.
Bit 7/Transmit HDLC Channel Select Bit 7 (THCS7). Select Channel 8, 16, 24, or 32.