Specifications; Block Diagram Of The Composite Clock Input Module; Specifications, Composite Clock Input Module - Symmetricom TSG-3800 Series User Manual

Input Modules
Composite Clock Input Module
Figure 5-2.

Block Diagram of the Composite Clock Input Module

A loss-of-signal detector circuit monitors for signal presence. Should the signal be
lost, the front panel LOS indicator is lit.
The main shelf supplies –48 V input power to the module. A regulator converts the
input power to the required levels. When receiving power, the Power indicator is lit.

Specifications

Table 5-2 lists specifications for the CC Input module.
Table 5-2. Specifications, Composite Clock Input Module
Signal Characteristics
Frequency
Waveshape
Amplitude
Error Threshold (LOS)
Input Impedance
Monitor
142 TSG-3800 User's Guide
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Specification
64/8 kb/s
Rectangular, AMI
2.7 to 5.5 V base to peak (3 V nominal)
0 to 255 intervals per hour
133 Ω ± 5% resistive
Bantam jack, 860 Ω isolation
12778474-002-2 Revision F – March 2004