Nortel Networks 553-3001-211 specification

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

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