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097-58001-02 Revision G – April 2008 TimeProvider User’s Guide 77
Chapter 3 Installing the TimeProvider
Making Connections
14.Connect an RG58 (060-58545-xx) cable between the lightning suppressor and
the TPIU. See Table 2-4 for specific cable lengths.
If you are using the integrated IMC/TPIU, install the appropriate converter cable
(060-58041-03, 1 m/3 ft, right angle connector or 060-58042-03, 1 m/3 ft, straight
connector) to the DB15 GPS connector on the main shelf. Connect the other end
of the converter cable to the RG58 cable from the lightning suppressor.
15.Install fire-stopping material in all holes opened in the roof and/or walls during
this procedure.
16.Check all connections for tightness to prevent arcing and intermittent operation.
17.Coat all exposed connectors with an electrically conductive antioxidant
compound (e.g. Kopr-Shield spray).
Installing the Integrated IMC/TPIU
You install the integrated IMC/TPIU in the IMC slot in either TimeProvider main
shelf, as shown in Figure 1-4. Use the installation procedure described in Replacing
the IMC or IMC/TPIU, on page 163.
Installing the TPIU
You mount the TPIU on a rack near the TimeProvider main shelf. Symmetricom
supplies the connecting cable (060-58543-xx or 060-58544-xx) in several lengths,
as listed in Table 2-4. The Integrated GPS Antenna kit (990-58545-01 or
990-58545-02) is delivered with a 1m/3 ft. interconnect cable. Mount the TPIU to the
rear rails of the rack using the provided rack ears. Install the TPIU so that the front
panel is on the same side as the Output modules. Figure 3-25 and Figure 3-26
illustrate alternate mounting schemes.
To connect the TPIU to the shelf, attach the DB15 interconnect cable (060-58543-03
or 060-58544-03) to the connector labeled “GPS” on the TimeProvider shelf. This
connector is on the front panel of the Model 1000 and on the rear panel of the Model
1100. Connect the other end of the cable to the DB15 connector on the TPIU.
To use the GPS signal, set the TimeProvider to the PRR mode, as described in
Provisioning the IOC, on page 105, or enable the GPS input when in SSU mode.