270 TimeHub 5500 User’s Guide 097-55501-01 Revision M – January 2009
Chapter 6 Specifications
Specifications
PRS Reference Input
Connector Type: BNC
Connector Label: 5/10 MHz IN
Connector Location:Input/Alarm Connector card (rear of shelf)
Number of Inputs: 1
Frequency: 5 MHz or 10 MHz
Impedance: 50
Format: Sine or square wave
Amplitude: 0.5 V p-p
Composite Clock Inputs
Connector Type: Wire-wrap pins
Connector Label: CC IN 1 (T, R, S)
CC IN 2 (T, R, S)
Connector Location:Input/Alarm Connector card (rear of shelf)
Number of Inputs: 2
Bit Rate: 64 kb/s
Impedance: 133
Format: Bipolar RTZ
DS1 Outputs
Connector Type: Wire-wrap pins
Connector Label: 1–20 (S, T, R)
Connector Location:Wire-wrap panel
Number of Outputs: Up to 40 protected or non-protected outputs per card
Maximum of 140 per master shelf. Additional capacity
available using Expansion shelves
Bit Rate: 1.544 Mb/s
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