Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario
Page 822 of 894
NTRB21 DTI/PRI/DCH TMDI card
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:
as a Data Circuit-terminating Equipment (DCE) device. The data signals
include:
•
receive data output
•
transmit data input
Table 258
Digital pad values and offset allocations
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