Symmetricom TimeSource 3100 User Guide

097-72020-01 Revision K – December 2005 TimeSource 3100 User’s Guide 69
Chapter 3 Installing the TimeSource 3100
Making Cable Connections
3. Install a user-supplied Category 5 four-pair RS-422 cable with RJ-45 connectors
on each end, between the TimeSource 3100 Shelf and the converter (see Figure
3-20).
4. Install a user-supplied RS-232 cable, with DB-25 connectors on each end,
between the converter and the device receiving the time code (see Figure 3-20).
See Table 3-3 for the DB-25 connector pinouts.
Figure 3-19. RS-422 to RS-232 TOD Converter Mounting Plate
Figure 3-20. RJ-45 to DB-25 TOD Converter Connections
Note: Pins not listed are reserved for future use.
Table 3-3. Converter DB-25 Connector Pinout
Pin Signal
1
Frame ground
3
Data output (RS-232)
5
1 pps (RS-232)
7
Signal ground

Symmetricom TimeSource 3100 Specifications

General

Brand	Symmetricom
Model	TimeSource 3100
Category	GPS
Language	English