Interphase Tech iSPAN 5535 PRI - Manual (Page 127)

Appendix E: Using the LineTest Utility
iSPAN PRI PCI ISDN Users Guide 107
In such configurations, the clock of the local port must be in
slave mode, and the clock of the remote adapter must be in
master mode (which is the default clock type).
To set the clock mode:
1. Click Options on the Port Test Configuration Dialog
(shown in Figure E-2 on page 103).
The Port Options dialog appears:
Figure E-4. LineTest Options dialog
2. Select the clock setting you want to use.