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DIVA T/A ISDN Modem Reference Guide
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Page 31
ISDN Configuration Commands
The following table describes the ISDN Configuration Commands.
AT!An
Directory Number/Port Assignment.
This command specifies which ports answer
to which directory numbers. There are six ports available on the DIVAT/A: Phone 1,
Phone 2, Voice to PC 1, Voice to PC 2, Data 1, and Data 2.
Determining the value for
n
Use the binary table below. If a bit is set to 0, the corresponding port answers
Directory Number 1. If set to 1, the corresponding port answers Directory Number 2.
Convert the binary to decimal and use the result in the
AT!An
command.
For example, to have Phone Port 1 and Data 1 answer to Directory Number 2 (and the
others to answer to Directory Number 1), create the binary form from the table
(100010), then convert to decimal (34). The command would be
AT!A34
.
Directory numbers are specified using the AT!N1 (for directory number 1) and AT!N2
(for directory number 2). A unique number can also be assigned to the data ports
using AT!N5. If AT!N5 is set, the assignments for the two data ports using the AT!An
command are ignored, but the Phone Port and Voice to PC assignments are kept.
Values for n:
A complete list of values for
n
is shown below. Ports are considered assigned to
Directory Number 1 unless specified as being assigned to Directory Number 2.
Abbreviations: Ph=Phone, VPC=Voice to PC, D=Data, DN=Directory Number.
Defaults:
Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Phone Port 1 Phone Port 2 Voice to PC 1 Voice to PC 2 Data 1 Data 2
0 None (all to DN1)
1D2
2D1
3D1, D2
4 VPC2
5 VPC2, D2
6 VPC2, D1
7 VPC2, D1, D2
8 VPC1
9 VPC1, D2
10 VPC1, D1
11 VPC1, D1, D2
12 VPC1, VPC2
13 VPC1, VPC2, D2
14 VPC1, VPC2, D1
15 VPC1, VPC2, D1, D2
16 Ph2
17 Ph2, D2
18 Ph2, D1
19 Ph2, D1, D2
20 Ph2, VPC2
21 Ph2, VPC2, D2
22 Ph2, VPC2, D1
23 Ph2, VPC2, D1, D2
24 Ph2, VPC1
25 Ph2, VPC1, D2
26 Ph2, VPC1, D1
27 Ph2, VPC1, D1, D2
28 Ph2, VPC1, VPC2
29 Ph2, VPC1, VPC2, D2
30 Ph2, VPC1, VPC2, D1
31 Ph2, VPC1, VPC2, D1, D2
32 Ph1
33 Ph1, D2
34 Ph1, D1
35 Ph1, D1, D2
36 Ph1, VPC2
37 Ph1, VPC2, D2
38 Ph1, VPC2, D1
39 Ph1, VPC2, D1, D2
40 Ph1, VPC1
41 Ph1, VPC1, D2
42 Ph1, VPC1, D1
43 Ph1, VPC1, D1, D2
44 Ph1, VPC1, VPC2
45 Ph1, VPC1, VPC2, D2
46 Ph1, VPC1, VPC2, D1
47 Ph1, VPC1, VPC2, D1, D2
48 Ph1, Ph2
49 Ph1, Ph2, D2
50 Ph1, Ph2, D1
51 Ph1, Ph2, D1, D2
52 Ph1, Ph2, VPC2
53 Ph1, Ph2, VPC2, D2
54 Ph1, Ph2, VPC2, D1
55 Ph1, Ph2, VPC2, D1, D2
56 Ph1, Ph2, VPC1
57 Ph1, Ph2, VPC1, D2
58 Ph1, Ph2, VPC1, D1
59 Ph1, Ph2, VPC1, D1, D2
60 Ph1, Ph2, VPC1, VPC2
61 Ph1, Ph2, VPC1, VPC2, D2
62 Ph1, Ph2, VPC1, VPC2, D1
63 All assigned to D2; none
assigned to D1
n Assigned to D2 n Assigned to D2 n Assigned to D2
North America: n=21
International: n=16
Directory Number 1
Ph1, VPC1, D1
Ph1, VPC1, VPC2, D1, D2
Directory Number 2
Ph2, VPC2, D2
Ph2