Symmetricom 1000 User Manual

Page of 224
097-58001-02 Revision G – April 2008
TimeProvider User’s Guide
71
Chapter 3 Installing the TimeProvider
Making Connections
Figure 3-18.  DB-25 Alarm Connector (Front View)
Making GPS Connections
To connect a GPS signal to the TimeProvider, you must install a GPS antenna with 
either the standalone TimeProvider Interface Unit (TPIU) and an IMC or the 
integrated IMC/TPIU card using the procedures in this section.
Installing the GPS Antenna
These installation procedures are to be used in support of local company 
procedures and the Installation Job Specification.
Prior to installing the antenna, you should plan the site, antenna location, lightning 
suppressor location, cable route, and all other details. Use 
 as a guide to 
locating the antenna.
Figure 3-19.  Locating the GPS Antenna
To install the antenna, refer to 
, and perform the procedure in this 
section. Ensure all user-supplied materials are available. The maximum distance 
between the antenna and the shelf is 1000 feet (304 m).
Pin 1
Pin 25