Specifications

Installation and Operation Manual Chapter 2 Installation and Setup
Airmux-200 Ver. 1.750 Installing the Link 2-23
Figure 2-18. TDM Parameters dialog box
This dialog box is available only with IDU units, it is activated after TDM service
was chosen in the previous Service dialog box. In Ethernet only services, the TDM
dialog box does not appear.
Setting the T1 Line Code
The T1 line code can be set as B8Zs or AMI in the TDM Parameters dialog box.
The default is B8ZS.
 To change the line code
• In the TDM Parameters dialog box, set the line code to B8ZS or AMI.
Setting the TDM Backup
IDU-R units have two E1 trunk lines, one for Airmux-200 air interface via the
ODU, and the second external equipment such as a PBX. The TDM backup screen
is displayed in IDU-R systems only.
Figure 2-19 shows the TDM backup screen.
The external equipment status is displayed on the Main screen of the Manager in
IDU-R systems.
Note