Composite Clock Output Module Specifications - Symmetricom SSU-2000e User Manual

Chapter 8 Output Module Reference Data
Composite Clock Output Module
Table 8-5. Composite Clock Output Module Status LED Indicators (Continued)
Indicator
SOURCE C Green/Amber
SOURCE D Green/Amber
OUTPUT FAULT Amber

Composite Clock Output Module Specifications

The performance specifications for the Composite Clock output module are
provided in Table
Table 8-6. Composite Clock Output Module Performance Specifications
Performance
Characteristic
Signal
Waveshape
Rise/Fall time
Pulse Width
Pulse Interval
Duty Cycle
Pulse Amplitude
Number of Outputs
200 SSU-2000e User's Guide
Color
On (Green) = Source C is the selected source clock
On (Amber) = Faulty or missing source C clock
Off = Source C is ignored or good and not selected
On (Green) = Source D is the selected source clock
On (Amber) = Faulty or missing source D clock
Off = Source D is ignored or good and not selected
On = Module has detected one or more faulty outputs
Off = All output signals are good
8-6.
Bipolar, Return to Zero, Alternate Mark Inversion (AMI)
Per Bellcore GR-378-CORE Table 6-2 & Figure 6-1
<500 ns
9.8 μs ±2% for 62.5/37.5 duty cycle
7.8 μs ±2% for 50/50 duty cycle
15.6 μs, nominal
62.5/37.5 or 50/50 selectable
2.7 to 5.5 Vpk, 3.5 Vpk nominal into 133 Ω
20 Independent Channels
Description
Specification
12713140-002-2 Revision E – October 2006