Nortel Networks 553-3001-211 manual 822 of 894 NTRB21 DTI/PRI/DCH Tmdi card

Page 822 of 894 NTRB21 DTI/PRI/DCH TMDI card

Table 258

Digital pad values and offset allocations

Offset	PAD set 0	PAD set 1
0	0dB	–7db
1	2dB	–8db
2	3dB	–9db
3	4dB	–10db
4	5dB	0.6db
5	6.1dB	7db
6	8dB	9db
7	–1dB	10db
8	–3dB	11db
9	–4dB	12db
A	idle code, 7F	3db
B	unassigned code, FF	14db
C	1dB	spare
D	–2dB	spare
E	–5db	spare
F	–6db	spare

D-channel interface

The D-channel interface is a 64 kbps, full-duplex, serial bit-stream configured as a Data Circuit-terminating Equipment (DCE) device. The data signals include:

•receive data output

•transmit data input

553-3001-211 Standard 2.00 September 2004