Installing and Cabling the Cabinets
Connect Modem to Telephone Network
130
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
June 2004
4
Type change system-parameters maintenance and press Enter. Scroll to page 3 of the form.
5
Set the
Modem Connection:
field to external if a modem is installed. Set the field to none if no
modem is installed. This field must be administered or alarms will be generated.
NOTE:
The
Modem Connection:
field cannot be set to none if Alarm Origination is activated.
6
Set the
Data Bits:
field to 8 (default).
7
Set the
Parity:
field to none (default).
8
For non-United States installations, set the remaining modem fields as shown in
Table 29
.
9
Press Enter when the modem fields are properly administered.
4
UP
DOWN
Echo offline commands
No echo, offline commands
5
UP
DOWN
Auto answer on first ring or higher if specified in NVRAM
Auto answer off
6
UP
DOWN
Carrier detect normal
Carrier detect override
7
UP
DOWN
Load NVRAM defaults
Load factory defaults
8
UP
DOWN
Dumb mode
Smart mode
Table 29: Modem Fields
Field
Description
Modem
Connection
Default is none. Set to external if a modem is used.
Modem Name
This field is 20 characters long and permits alphanumeric characters to
provide a unique qualifier for a given modem.
RTS/CTS
Enabled
Informs modem that communication with the data source UART is driven
with RTS/CTS flow control. The default 6-character field name is &H1. Set
the field name to \Q3 for Intel modems. This field is not case-sensitive.
Asynchronous
Data Mode
Configures modem as an asynchronous device. This 8-character field name
has a default value of &M0 (default). Set the field to &M0&Q0 for Intel
modems. This field is not case-sensitive.
1 of 2
Table 28: U.S. Robotics Model 839 External Modem Dip Switch Settings
Dip
Switch
Setting
Description
2 of 2