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Symmetricom TimeSource 3100 User Guide

Symmetricom TimeSource 3100
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097-72020-01 Revision K – December 2005 TimeSource 3100 User’s Guide 57
Chapter 3 Installing the TimeSource 3100
Making Cable Connections
Making E1 or Analog Synchronization Output Connections
Connect the E1 or analog synchronization outputs at the wire-wrap pins or BNC
connectors labeled El OUT A and El OUT B. If using the wire-wrap pins, connect the
tip wire to the pins labeled T, the ring wire to the pins labeled R, and the shield to
the pins labeled S. See Figure 3-8 for the location of the connectors and pins, and
Figure 3-10 for the wire-wrap connections.
Figure 3-10. E1 or Analog Output Wire-Wrap Connections
Making 1 PPS Output Connections
Connect an RG-58 coaxial cable from the connector labeled TTL PPS to the
equipment that will use the 1 pulse-per-second TTL output signal. See Figure 3-8
for the connector location.
Notes:
1. For wire-wrap connections, the shield pin is provided to ground
the cable shield at the shelf, if required. Normally, the shield is
grounded at the source. Grounding the shield at both ends is not
recommended.
2. A BNC connector can be used for one output, and a wire-wrap
connector can be used for the other output, but do not use the
BNC and wire-wrap connectors of the same output
simultaneously. For example, a BNC connector can be used for
output A and the wire-wrap pins for output B, but do not use the
output A BNC connector with the output A wire-wrap connector
Warning: To avoid possible equipment damage, do not connect the
El output line directly to a point outside the building. The El output
circuits do not provide lightning protection.

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Symmetricom TimeSource 3100 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeSource 3100
CategoryGPS
LanguageEnglish

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