Data call, 2 local command responses, 18 data call – Comtech EF Data SNM-1000 User Manual
Page 106: 1 “dialed” data call (dd), 1 command format

SNM-1000 Node Control Modem
Revision 3
Operation
MN/SNM1000.IOM
3–64
3.7.17.2
Local Command Responses
>add/’response’’cr’ Where: ‘add’ = <channel_no>
If the local channel number does not exist or is disconnected, the SNM-1000 returns the
following message:
CHANNEL <channel_no> INVALID
3.7.18
Data Call
The user can initiate a data call by either specifying the destination data channel address
and grade of service information or by specifying a pre-defined circuit id.
3.7.18.1
“Dialed” Data Call (DD)
The user initiates the data call by specifying the destination data channel address and the
desired grade of service.
3.7.18.1.1 Command
Format
<channel_no> DD <phone_number> <tx_data> <tx_code> <tx_mod> <origin_clock> <rx_data>
<rx_code><rx_mod> <dest_clock> [<grade_of_service>]'cr'
<channel_no>
Prefix channel number.
Valid range: 1 through 30.
1 through 30 are for traffic modems attached to an SNM-1000, operating in
external traffic mode.
DD
Dialed data call.
<phone_number>
Destination data channel address (phone number).
Max. length: 32 characters.
Valid characters: '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '*', '#', 'A', 'B', 'C', 'D', '-',
'(' or ')'
Note: The '-' and '('or')' characters are not part of the number and are used to
increase readability. They are stripped out and not passed to the NMS.
<tx_data> and
<rx_data>
Data rates, defined in kbps.
Step size: 1 bit/s.
Maximum value: 8192.000 kbps.
Examples: 64 is 64 kbps, 64.001 is 64.001 kbps, 1024.1 is 1.0241 Mbit/s, etc.
Note: The decimal point is not required and the entered number is rounded to
the nearest 1 bit/s value.