Lucent Technologies PortMaster 4, Configuration Manual

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Configuring True Digital Modems
10-10 PortMaster 4 Configuration Guide
Configuring True Digital Modems
Each Quad T1 board with internal modems has 34 modems installed on it plus
64 modems arranged on a daughterboard that plugs directly into the Quad T1 board.
There are 96 active modems per board, plus 2 modems acting as hot spares.
Similarly, the Tri E1 board with internal modems has 98 modems per board, with 90
active modems and 8 hot spares.
You can install up to nine Quad T1 or Tri E1 boards into the PortMaster 4 chassis, for a
total of 882 modems—864 active modems plus 18 hot standby modems for Quad T1
boards, or 810 active modems plus 72 hot standby modems for Tri E1 boards.
All Quad T1 and Tri E1 boards can be hot swapped.
Note – Digital modems require no configuration or initialization string.
Use the show M0 and show modems commands to display modem status.
Setting Digital Modems to Analog Service
When analog modem service is required for dial-out network connections, you can
convert the analog service to digital service.
To set the digital modems to analog modem service for the specified location, use the
following command. Table 10-10 explains the analog modem options.
Command> set location Locname analog on|off
Displaying Modem Status
Use the following command to display the settings for a particular modem:
Command> show M0
You can display the status for all digital modems. Modem states are as follows:
• ACTIVE—in use
• READY—available for use
• ADMIN—busy
Table 10-10 Analog Modem Options
Option Description
Locname Location name that is in the location table.
on Enables analog modem service on dial-out.
off Disables analog modem service on dial-out, and causes the
service to revert to ISDN.
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