Symmetricom SDU-2000, User Manual

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12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 197
Output Module Reference Data
2048 kHz Output Module
Performance Specifications
Specifications for the 2048 kHz Output module are provided in Table 8-12 .
SOURCE C Green/Amber On (Green) = The Bypass clock (Clock C) is the selected
source clock. See
Bypass Clock (Clock C) , on page 32
On (Amber) = Faulty or missing Bypass clock
Off = Bypass clock is ignored, or good and not selected
SOURCE D Green/Amber On (Green) = The Expansion clock (Clock D) is the selected
source clock. The module is in an Expansion shelf
On (Amber) = Faulty or missing Expansion clock
Off = Expansion clock is ignored, or good and not selected
OUTPUT
FAULT Amber On = Module has detected one or more faulty outputs
Off = All output signals are good
Table 8-12. 2048 kHz Output Module Specifications
Performance Characteristic Specification
Frequency 2048 kHz
Waveshape Per ITU-T G.703 (Oct. 98) Table 11 and Figure 20
Pulse Amplitude 1.0 to 1.9 Vpk, 1.5 Vpk nominal into 120
Ω
0.75 to 1.5 Vpk, 1.0 Vpk nominal into 75
Ω
Jitter
≤
0.01 UIpp, 20 Hz to 100 kHz
Number of Outputs 20 Independent
Table 8-11. 2048 kHz Output Module Status LED Indicators (Continued)
Indicator Color Description