Making Output Signal Connections; Typical Input Signal Interfaces - Symmetricom TSG-3800 Series User Manual

Installing the TSG-3800
Making Electrical Connections
Note: Improper termination and cabling can cause pulse distortion,
which may result in excessive bipolar violations (BPVs) or other
problems.
The input can also come from a DSX monitor jack. When coming from a monitor, an
internal amplifier increases the signal amplitude. The TSG-3800 is shipped with the
amplifier disengaged. You must set a jumper on the Input module to activate the
internal amplifier. Instructions for setting jumpers are found in
Modules. Figure 2-7
Figure 2-7.

Typical Input Signal Interfaces

Making Output Signal Connections

Several different output modules are available for the TSG-3800 series, each with
its own requirement for signal termination.
each of these modules in detail. The Specifications table for each module includes
the required termination as well as other specifics for individual module outputs.
If an output is connected to one input on the receiving equipment, the input
impedance should be equal to the required termination impedance for that signal. If
two or more input ports are driven by one output, the input impedance for all of the
inputs connected must equal the required termination impedance for the output. For
best results, the terminated input port should be at the end of the line.
The signals generated by the output modules in slots 18 and 19 go to J7 on the rear
panel, and those generated by the modules in slots 20 and 21 go to J8 (on the rear
panel) of a 19-inch shelf. On a 23-inch shelf, slots 22 and 23 go to J9 and slots 24
and 25 go to J10. Tip and ring contacts are paired on opposite contacts (Ring =
1–20 and Tip = 26–45).
and 46 through 50 are frame grounds. For example, a typical mating connector is
Cinch #57-10500 or AMP #3-229912-1.
56 TSG-3800 User's Guide
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illustrates three typical input connections.
Chapter 7, Output
Figure 2-8 illustrates the connector. Contacts 21 through 25
Chapter 5, Input
Modules, describes
12778474-002-2 Revision F – March 2004