# Running isdndemo

Perform the following steps to run isdndemo and verify the NMS ISDN installation:

Step | Action
1 | Create an NMS OAM system configuration file and board keyword files specific to the installation.
2 | Invoke oamsys to initialize the board. Note: oammon should be left running at all times to capture hardware errors.
3 | Change to the directory containing isdndemo: Windows: \nms\ctaccess\demos\isdndemo\ UNIX: /opt/nms/ctaccess/demos/isdndemo/
4 | Run isdndemo by entering the following command at the command line: isdndemo -p variant where variant is the protocol variant to run. For example: isdndemo -p 23 isdndemo responds with a message similar to the following: ISDN Multiple Thread Demo V.9 (Nov 14, 1999) T1 board 0 found. Protocol = AT&T 5E10 Number of inbound ports = 23 Number of outbound ports = 0 24 ports opened. NOCC protocol started on 23 ports. Started 23 threads... Enter program test loop...