AT&T MERLIN LEGEND Release 3.1 Installation Manual page 233

Call Accounting System
For communications using CAS for Windows, the following components are
recommended:
For a single-site system, one parallel port and two built-in serial ports
(DB9 for direct switch connection and DB25 for other connections)
For a multi-site system, one parallel port and a four-port Equinox
Mark-IV board with four RJ45 connections for direct switch hookup
For remote diagnostics, a Remote Maintenance Board
If a modem is used, an AT&T COMSPHERE 3830 or compatible
If you are using the 9-pin port on your PC for the direct switch
connection, you need a DB9-to-modular adapter
An RJ45 modular cable to connect the PC's COM1 port with the
control unit's SMDR port
A summary of the installation procedure is provided below:
1 Connect the hardware. See "Connecting a PC to the Control Unit" in
Chapter 5.
2 Complete the CAS worksheets.
Make sure that they show all information you need on telephone lines and
extensions, calling patterns and processing options, and departments and
personnel.
3 Load and test DOS version 3.3 or later and CAS. If you are installing CAS
for Windows, load and test DOS version 5.0 or later, Windows version 3.1
or later, and CAS.
4 Use the planning worksheets to program the software to meet the needs
of the customer.
Installing Applications
8–7