Chapter 2. Installation
DS-1 (PBX) Interface
The
Control In Port
The control port input provides an
Craft Port
The craft port provides the same functionality as the Con- trol Port Input. Both the craft port and the control port in- put may be connected simultaneously, but only one port may be active at a time. For more information, see Appendix B.
Control Out Port
The chain port output provides an
10BaseT Interface
The 10BaseT interface provides the LAN interface for managing the TDU 120e with SNMP or
External Alarm Connector
The external alarm connector provides the capability of connecting an external alarm device to the TDU 120e. The alarm relay will activate on any alarm. The relay will re- main activated until the automatic
TDU 120e User Manual |